最近的一个项目中用到了Access,于是自己写了一个AccessHelper,现把代码贴出来,欢迎大家提出宝贵意见!
最近的一个项目中用到了Access,于是自己写了一个AccessHelper,现把代码贴出来,欢迎大家提出宝贵意见!
using System;
using System.Data;
using System.Data.OleDb;
using System.Collections;
using System.IO;
using System.Globalization;
using System.Configuration;
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namespace ArticleManage
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![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
{
public class DataAccess
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
定义#region 定义
protected OleDbCommand Comm;
protected OleDbDataAdapter Adap;
protected OleDbConnection Conn; //SQL连接
private string _connectString; //连接串
private string _commandString; //SQL命令
private Hashtable _dict, _result, _mapTable;
private DataSet _ds; //返回结果数据集
private DataRow _recordSet; //纪录集
private string _tableName; //表名
private int _recordCount; //纪录集的行数
private bool _eOF; //结果集是否为空,是否已经到了结尾
private string DB;
private string _deleteOP;
private string _path;
private StreamWriter SWCreate, SWApp;
private string _errorMessage;
private bool _writeLog;
#endregion
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属性集#region 属性集
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 出错信息
/// </summary>
///
public string ErrorMessage
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
get
{ return this._errorMessage; }
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
set
{ this._errorMessage = value; }
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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/**//**/
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 设置或者取得删除的操作者
/// </summary>
public string DeleteOP
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
get
{ return this._deleteOP; }
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
set
{ this._deleteOP = value; }
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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/**//**/
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 取得是否溢出
/// </summary>
public bool EOF
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
get
{ return this._eOF; }
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
set
{ this._eOF = value; }
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//**/
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 取得执行语句后得出的纪录条数
/// </summary>
public int RecordCount
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
get
{ return this._recordCount; }
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
set
{ this._recordCount = value; }
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//**/
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 数据库中的表名
/// </summary>
public string TableName
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
get
{ return this._tableName; }
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
set
{ this._tableName = value; }
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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/**//**/
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 返回的记录集
/// </summary>
public DataRow RecordSet
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
get
{ return this._recordSet; }
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
set
{ this._recordSet = value; }
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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/**//**/
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 返回的数据集
/// </summary>
public DataSet DS
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
get
{ return this._ds; }
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
set
{ this._ds = value; }
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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/**//**/
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 字段和控件的映射表
/// </summary>
public Hashtable MapTable
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
get
{ return this._mapTable; }
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
set
{ this._mapTable = value; }
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//**/
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 修改数据时,作为修改结果
/// </summary>
public Hashtable Result
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
get
{ return this._result; }
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
set
{ this._result = value; }
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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/**//**/
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 保存数据用的字段和值对应的哈希表,修改数据时用作条件
/// </summary>
public Hashtable Dict
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
get
{ return this._dict; }
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
set
{ this._dict = value; }
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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/**//**/
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 查询语句
/// </summary>
public string CommandString
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
get
{ return this._commandString; }
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
set
{ this._commandString = value; }
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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/**//**/
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 连接串
/// </summary>
public string ConnectString
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
get
{ return this._connectString; }
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
set
{ this._connectString = value; }
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
#endregion
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DataAccess的构造函数#region DataAccess的构造函数
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 空构造函数
/// <appSettings>
/// <add key="DBConn" value="provider=microsoft.jet.oledb.4.0;data source="/>
/// <add key="dbPath" value="~/App_Data/ArticleManage.mdb"/>
///</appSettings>
/// </summary>
public DataAccess()
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
ConnectString = System.Configuration.ConfigurationSettings.AppSettings["DBConn"]+System.Web.HttpContext.Current.Server.MapPath(System.Configuration.ConfigurationSettings.AppSettings["dbPath"])+";";
Conn = new System.Data.OleDb.OleDbConnection(ConnectString);
if (System.Configuration.ConfigurationSettings.AppSettings["WriteLog"] == "true")
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
_writeLog = true;
}
else
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
_writeLog = false;
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
~DataAccess()
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//**/
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// DataAccess的构造函数
/// <appSettings>
/// <add key="DBConn" value="provider=microsoft.jet.oledb.4.0;data source="/>
/// <add key="DB1" value="~/App_Data/ArticleManage.mdb"/>
///</appSettings>
/// </summary>
/// <param name="DB1">要访问的数据库名,Web.config里设置的连接字符串对应的key</param>
/// <param name="TableName1">要访问的数据表名</param>
public DataAccess(string DB1, string TableName1)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
this.ErrorMessage = "";
DB = DB1;
TableName = TableName1;
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
ConnectString = System.Configuration.ConfigurationSettings.AppSettings["DBConn"]+System.Web.HttpContext.Current.Server.MapPath(System.Configuration.ConfigurationSettings.AppSettings["DB"])+";";
if (System.Configuration.ConfigurationSettings.AppSettings["WriteLog"] == "true")
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
_writeLog = true;
}
else
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
_writeLog = false;
}
Conn = new System.Data.OleDb.OleDbConnection(ConnectString);
Dict = new Hashtable();
Result = new Hashtable();
MapTable = new Hashtable();
DS = new DataSet();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
// IS_Open = false;
_path = "C:\\WebDebug.log";
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (!File.Exists(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWCreate = File.CreateText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWCreate.WriteLine(" ");
SWCreate.Close();
}
}
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine(" ");
}
}
}
catch (Exception e)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
this.ErrorMessage = e.ToString();
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//**/
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// DataAccess的构造函数
/// </summary>
/// <param name="CST">数据库的连接字符串</param>
/// <param name="TableName1">要访问的数据表名</param>
/// <param name="flag">是否初始化</param>
public DataAccess(string CST, string TableName1, bool flag)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (flag == true)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
this.ErrorMessage = "";
TableName = TableName1;
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (System.Configuration.ConfigurationSettings.AppSettings["WriteLog"] == "true")
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
_writeLog = true;
}
else
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
_writeLog = false;
}
ConnectString = CST;
Conn = new System.Data.OleDb.OleDbConnection(ConnectString);
Dict = new Hashtable();
Result = new Hashtable();
MapTable = new Hashtable();
DS = new DataSet();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
_path = "C:\\WebDebug.log";
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (!File.Exists(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWCreate = File.CreateText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWCreate.WriteLine(" ");
SWCreate.Close();
}
}
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine(" ");
}
}
}
catch (Exception e)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
this.ErrorMessage = e.ToString();
}
}
}
#endregion
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
ExecuteNonQuery#region ExecuteNonQuery
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 执行无返回结果的SQL
/// </summary>
/// <param name="strSQL"></param>
public void ExecuteNonQuery(string strSQL)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Comm = new OleDbCommand();
OleDbTransaction Trans;
Conn.Open();
Trans = Conn.BeginTransaction();
Comm.CommandText = strSQL;
Comm.Connection = Conn;
Comm.Transaction = Trans;
Comm.CommandTimeout = 60;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "] CommandString = " + strSQL);
SWApp.Close();
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
Comm.ExecuteNonQuery();
Trans.Commit();
this.Conn.Close();
}
catch (Exception e)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Trans.Rollback();
this.Conn.Close();
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "] Error Message : " + e.ToString());
}
}
this.ErrorMessage = e.ToString();
throw new Exception(e.ToString());
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 执行无返回结果的SQL
/// </summary>
/// <param name="param">参数集合</param>
/// <param name="strSQL"></param>
public void ExecuteNonQuery(string strSQL, ICollection param)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Comm = new OleDbCommand();
OleDbTransaction Trans;
Conn.Open();
Trans = Conn.BeginTransaction();
Comm.CommandText = strSQL;
Comm.Connection = Conn;
Comm.Transaction = Trans;
Comm.CommandTimeout = 60;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "] CommandString = " + strSQL);
SWApp.Close();
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (param != null)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
foreach (ParamInfo p in param)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
IDbDataParameter pa = Comm.CreateParameter();
pa.ParameterName = p.Name;
pa.Value = p.Value;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
//处理大文本
if (pa is System.Data.OleDb.OleDbParameter && pa.Value != null && pa.Value.ToString().Length >= 4000)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
System.Data.OleDb.OleDbParameter p1 = pa as System.Data.OleDb.OleDbParameter;
p1.OleDbType = System.Data.OleDb.OleDbType.VarWChar;
Comm.Parameters.Add(p1);
}
else
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Comm.Parameters.Add(pa);
}
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
Comm.ExecuteNonQuery();
FillParameterValue(Comm.Parameters, param);
Trans.Commit();
this.Conn.Close();
}
catch (Exception e)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Trans.Rollback();
this.Conn.Close();
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "] Error Message : " + e.ToString());
}
}
this.ErrorMessage = e.ToString();
throw new Exception(e.ToString());
}
}
#endregion
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
ExecuteScalar#region ExecuteScalar
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 返回查询结果的第一行第一列的值
/// </summary>
/// <param name="strSQL"></param>
/// <returns></returns>
public object ExecuteScalar(string strSQL)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
OleDbTransaction Trans;
Comm = new OleDbCommand();
Conn.Open();
Trans = Conn.BeginTransaction();
Comm.CommandText = strSQL;
Comm.Connection = Conn;
Comm.Transaction =Trans ;
Comm.CommandTimeout = 60;
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "] CommandString = " + strSQL);
SWApp.Close();
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
object objResutl = Comm.ExecuteScalar();
Trans.Commit();
this.Conn.Close();
return objResutl;
}
catch (Exception e)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Trans.Rollback();
this.Conn.Close();
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "] Error Message : " + e.ToString());
}
}
this.ErrorMessage = e.ToString();
throw new Exception(e.ToString());
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 返回查询结果的第一行第一列的值
/// </summary>
/// <param name="strSQL"></param>
/// <param name="param">参数集合</param>
/// <returns></returns>
public object ExecuteScalar(string strSQL,ICollection param)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
OleDbTransaction Trans;
Comm = new OleDbCommand();
Conn.Open();
Trans = Conn.BeginTransaction();
Comm.CommandText = strSQL;
Comm.Connection = Conn;
Comm.Transaction =Trans ;
Comm.CommandTimeout = 60;
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "] CommandString = " + strSQL);
SWApp.Close();
}
}
if ( param != null )
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
foreach ( ParamInfo p in param )
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
IDbDataParameter pa = Comm.CreateParameter();
pa.ParameterName = p.Name;
pa.Value = p.Value;
pa.Direction = p.Direction;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
Comm.Parameters.Add(pa);
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
object objResutl = Comm.ExecuteScalar();
FillParameterValue(Comm.Parameters,param);
Trans.Commit();
this.Conn.Close();
return objResutl;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
}
catch (Exception e)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Trans.Rollback();
this.Conn.Close();
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "] Error Message : " + e.ToString());
}
}
this.ErrorMessage = e.ToString();
throw new Exception(e.ToString());
}
}
#endregion
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
ExecuteDataSet#region ExecuteDataSet
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 执行SQL语句并返回DataTable对象
/// </summary>
public DataSet ExecuteDataSet(string strSQL)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
OleDbTransaction Trans;
Comm = new OleDbCommand();
Conn.Open();
Trans = Conn.BeginTransaction();
Comm.CommandText = strSQL;
Comm.Connection = Conn;
Comm.Transaction =Trans ;
Comm.CommandTimeout = 60;
DataSet ds = new DataSet();
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "]==> Begin Get DataSet.");
SWApp.WriteLine("CommandString = " + strSQL);
SWApp.Close();
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
IDataReader dr = Comm.ExecuteReader();
do
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
DataTable dt = new DataTable();
dt.Locale = CultureInfo.CurrentCulture;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
DataColumn col = null;
DataRowCollection rows = dr.GetSchemaTable().Rows;
foreach(DataRow row in rows)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
col = new DataColumn();
col.ColumnName = row["ColumnName"] == null ? null : row["ColumnName"].ToString();
col.Unique = Convert.ToBoolean(row["IsUnique"]);
col.AllowDBNull = Convert.ToBoolean(row["AllowDBNull"]);
col.ReadOnly = Convert.ToBoolean(row["IsReadOnly"]);
col.DataType = row["DataType"] as Type;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
dt.Columns.Add(col);
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
while (dr.Read())
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
DataRow row = dt.NewRow();
foreach(DataColumn c in dt.Columns)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
row[c] = dr[c.ColumnName];
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
dt.Rows.Add(row);
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
ds.Tables.Add(dt);
}
while (dr.NextResult());
dr.Close();
Trans.Commit();
}
catch (Exception e)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Trans.Rollback();
this.ErrorMessage = e.ToString();
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "]==> Error Message: " + e.ToString());
}
}
throw new Exception(e.ToString());
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "]==> End of Getting DataSet.");
SWApp.Close();
}
}
}
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Conn.Close();
}
return ds;
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 执行SQL语句并返回DataTable对象
/// <param name="strSQL">SQL语句</param>
/// <param name="param">参数集合</param>
/// </summary>
public DataSet ExecuteDataSet(string strSQL, ICollection param)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
OleDbTransaction Trans;
Comm = new OleDbCommand();
Conn.Open();
Trans = Conn.BeginTransaction();
Comm.CommandText = strSQL;
Comm.Connection = Conn;
Comm.Transaction =Trans ;
Comm.CommandTimeout = 60;
DataSet ds = new DataSet();
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "]==> Begin Get DataSet.");
SWApp.WriteLine("CommandString = " + strSQL);
SWApp.Close();
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if ( param != null )
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
foreach ( ParamInfo p in param )
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
IDbDataParameter pa = Comm.CreateParameter();
pa.ParameterName = p.Name;
pa.Value = p.Value;
pa.Direction = p.Direction;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
Comm.Parameters.Add(pa);
}
}
IDataReader dr = Comm.ExecuteReader();
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
do
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
DataTable dt = new DataTable();
dt.Locale = CultureInfo.CurrentCulture;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
DataColumn col = null;
DataRowCollection rows = dr.GetSchemaTable().Rows;
foreach(DataRow row in rows)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
col = new DataColumn();
col.ColumnName = row["ColumnName"] == null ? null : row["ColumnName"].ToString();
col.Unique = Convert.ToBoolean(row["IsUnique"]);
col.AllowDBNull = Convert.ToBoolean(row["AllowDBNull"]);
col.ReadOnly = Convert.ToBoolean(row["IsReadOnly"]);
col.DataType = row["DataType"] as Type;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
dt.Columns.Add(col);
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
while (dr.Read())
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
DataRow row = dt.NewRow();
foreach(DataColumn c in dt.Columns)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
row[c] = dr[c.ColumnName];
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
dt.Rows.Add(row);
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
ds.Tables.Add(dt);
}
while (dr.NextResult());
dr.Close();
Trans.Commit();
}
catch (Exception e)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Trans.Rollback();
this.ErrorMessage = e.ToString();
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "]==> Error Message: " + e.ToString());
}
}
throw new Exception(e.ToString());
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "]==> End of Getting DataSet.");
SWApp.Close();
}
}
}
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Conn.Close();
}
return ds;
}
#endregion
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
ExecuteDataTable#region ExecuteDataTable
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 执行SQL语句并返回DataTable对象
/// </summary>
public DataTable ExecuteDataTable(string strSQL)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
return ExecuteDataSet(strSQL).Tables[0];
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 执行SQL语句并返回DataTable对象
/// <param name="strSQL">SQL语句</param>
/// <param name="param">参数集合</param>
/// </summary>
public DataTable ExecuteDataTable(string strSQL, ICollection param)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
return ExecuteDataSet(strSQL,param).Tables[0];
}
#endregion
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
ExecuteDataReader#region ExecuteDataReader
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// <param name="strSQL">SQL语句</param>
/// </summary>
public IDataReader ExecuteDataReader(string strSQL)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
OleDbTransaction Trans;
Comm = new OleDbCommand();
Conn.Open();
Trans = Conn.BeginTransaction();
Comm.CommandText = strSQL;
Comm.Connection = Conn;
Comm.Transaction = Trans;
Comm.CommandTimeout = 60;
IDataReader dr ;
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "]==> Begin Get DataReader.");
SWApp.WriteLine("CommandString = " + strSQL);
SWApp.Close();
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
dr=Comm.ExecuteReader();
Trans.Commit();
}
catch (Exception e)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Trans.Rollback();
this.ErrorMessage = e.ToString();
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "]==> Error Message: " + e.ToString());
}
}
throw new Exception(e.ToString());
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "]==> End of Getting DataReader.");
SWApp.Close();
}
}
}
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Conn.Close();
}
return dr;
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
///
/// <param name="strSQL">SQL语句</param>
/// <param name="param">参数集合</param>
/// </summary>
public IDataReader ExecuteDataReader(string strSQL, ICollection param)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
OleDbTransaction Trans;
Comm = new OleDbCommand();
Conn.Open();
Trans = Conn.BeginTransaction();
Comm.CommandText = strSQL;
Comm.Connection = Conn;
Comm.Transaction = Trans;
Comm.CommandTimeout = 60;
IDataReader dr;
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "]==> Begin Get DataReader.");
SWApp.WriteLine("CommandString = " + strSQL);
SWApp.Close();
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (param != null)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
foreach (ParamInfo p in param)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
IDbDataParameter pa = Comm.CreateParameter();
pa.ParameterName = p.Name;
pa.Value = p.Value;
pa.Direction = p.Direction;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
Comm.Parameters.Add(pa);
}
}
dr = Comm.ExecuteReader();
Trans.Commit();
}
catch (Exception e)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Trans.Rollback();
this.ErrorMessage = e.ToString();
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "]==> Error Message: " + e.ToString());
}
}
throw new Exception(e.ToString());
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (_writeLog)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
using (SWApp = File.AppendText(_path))
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
SWApp.WriteLine("[" + DateTime.Now.ToString() + "]==> End of Getting DataReader.");
SWApp.Close();
}
}
}
finally
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Conn.Close();
}
return dr;
}
#endregion
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
FillParameterValue#region FillParameterValue
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 填充输出型参数和返回值型参数
/// </summary>
/// <param name="OutPutParameters">SQL命令执行后的参数集合</param>
/// <param name="param">SQL命令执行前的参数集合</param>
void FillParameterValue(System.Data.IDataParameterCollection OutPutParameters, ICollection param)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (OutPutParameters == null || param == null) return;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
ArrayList procParam = new ArrayList();
foreach (IDbDataParameter OleDbParameter in OutPutParameters)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
foreach (ParamInfo p in param)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if (p.Name == OleDbParameter.ParameterName)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
procParam.Add(new ParamInfo(p.Name, OleDbParameter.Value, p.Direction, p.Size));
}
}
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
ArrayList procOutParam = param as ArrayList;
procOutParam.Clear();
foreach (ParamInfo p in procParam) //填充参数值
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
procOutParam.Add(new ParamInfo(p.Name, p.Value, p.Direction, p.Size));
}
}
#endregion
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
ParamInfo#region ParamInfo
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// SQL参数结构体
/// </summary>
public struct ParamInfo
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 参数名称
/// </summary>
public string Name;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 值
/// </summary>
public object Value;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 参数长度
/// </summary>
public int Size;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 参数方向
/// </summary>
public ParameterDirection Direction;
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 初始化参数对象
/// </summary>
/// <param name="name">参数名称</param>
/// <param name="val">值</param>
public ParamInfo(string name, object val)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Name = name;
Value = val;
Direction = ParameterDirection.Input;
Size = Value == null ? 50 : Value.ToString().Length;
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 初始化参数对象
/// </summary>
/// <param name="name">参数名称</param>
/// <param name="val">值</param>
/// <param name="direction"></param>
public ParamInfo(string name, object val, ParameterDirection direction)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Name = name;
Value = val;
Direction = direction;
Size = Value == null ? 50 : Value.ToString().Length;
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public ParamInfo(string name, object val, ParameterDirection direction, int size)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Name = name;
Value = val;
Direction = direction;
Size = size;
}
}
#endregion
}
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
![](https://www.cnblogs.com/Images/dot.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](https://www.cnblogs.com/Images/dot.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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