using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Configuration;
using System.Data.SqlClient;
namespace WangKang.DataBase
{
public class WebDB:DB
{
private string connstring = ConfigurationManager.ConnectionStrings["connectionString"].ConnectionString;
//查询所有学生信息
public DataSet student_select()
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_student_select", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//通过学好查询某个学生信息
public DataSet student_select_bySID(string SID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_student_select_bySID", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@SID", SID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//
public DataSet student_avg(string SID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_student_avg", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@SID", SID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//插入学生信息
public void student_insert(string SID, string SName, string SClass, string SSex)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_student_insert", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
mycomm.Parameters.Add(new SqlParameter("@SName", SName));
mycomm.Parameters.Add(new SqlParameter("@SClass", SClass));
mycomm.Parameters.Add(new SqlParameter("@SSex", SSex));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//删除学生信息
public void student_delete(string SID)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_student_delete", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//修改学生信息
public void student_update(string SID, string SName, string SClass, string SSex)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_student_update", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
mycomm.Parameters.Add(new SqlParameter("@SName", SName));
mycomm.Parameters.Add(new SqlParameter("@SClass", SClass));
mycomm.Parameters.Add(new SqlParameter("@SSex", SSex));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//通过学好查看某个学生的选课情况student_one_information
public DataSet student_one_information(string SID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_student_one_information", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@SID", SID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//查询所有学生的选课情况
public DataSet student_all_information()
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_student_all_information", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//查找课程信息
public DataSet class_select()
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_class_select", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//通过课程号查找课程信息
public DataSet class_select_byEID(string EID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_class_select_byEID", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@EID", EID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//插入课程信息
public void class_insert(string EID, string EName, double ETime)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_class_insert", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
mycomm.Parameters.Add(new SqlParameter("@EName", EName));
mycomm.Parameters.Add(new SqlParameter("@ETime", ETime));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//删除课程信息
public void class_delete(string EID)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_class_delete", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//修改课程信息
public void class_update(string EID, string EName, double ETime)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_class_update", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
mycomm.Parameters.Add(new SqlParameter("@EName", EName));
mycomm.Parameters.Add(new SqlParameter("@ETime", ETime));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//通过学好查看得到分数的课程信息
public DataSet class_in(string SID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_class_in", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@SID", SID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//通过学好查看没有得到分数的课程信息
public DataSet class_notin(string SID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_class_notin", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@SID", SID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//查询成绩表
public DataSet score_select()
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_score_select", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//通过学好查询成绩表
public DataSet score_select_bySID(string SID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_score_select_bySID", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@SID", SID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//通过课程号查看成绩
public DataSet score_select_byEID(string EID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_score_select_byEID", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@EID", EID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//插入学生成绩
public void score_insert(string SID, string EID, double EScore)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_score_insert", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
mycomm.Parameters.Add(new SqlParameter("@EScore", EScore));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//删除某个学生某课成绩
public void score_delete(string SID, string EID)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_score_delete", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//通过学好删除成绩
public void score_delete_bySID(string SID)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_score_delete_bySID", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//通过课程号删除成绩
public void score_delete_byEID(string EID)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_score_delete_byEID", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//修改课程成绩
public void score_update(string SID, string EID, double EScore)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_score_update", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
mycomm.Parameters.Add(new SqlParameter("@EScore", EScore));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//错误信息表
public DataSet DataError(Exception Err)
{
DataSet ErrDataSet = new DataSet("Errors");
DataTable ErrDataTable = ErrDataSet.Tables.Add("Error");
ErrDataTable.Columns.Add("Message");
ErrDataTable.Rows.Add(new object[] { Err.Message });
return ErrDataSet;
}
}
}
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Configuration;
using System.Data.SqlClient;
namespace WangKang.DataBase
{
public class WebDB:DB
{
private string connstring = ConfigurationManager.ConnectionStrings["connectionString"].ConnectionString;
//查询所有学生信息
public DataSet student_select()
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_student_select", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//通过学好查询某个学生信息
public DataSet student_select_bySID(string SID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_student_select_bySID", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@SID", SID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//
public DataSet student_avg(string SID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_student_avg", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@SID", SID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//插入学生信息
public void student_insert(string SID, string SName, string SClass, string SSex)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_student_insert", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
mycomm.Parameters.Add(new SqlParameter("@SName", SName));
mycomm.Parameters.Add(new SqlParameter("@SClass", SClass));
mycomm.Parameters.Add(new SqlParameter("@SSex", SSex));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//删除学生信息
public void student_delete(string SID)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_student_delete", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//修改学生信息
public void student_update(string SID, string SName, string SClass, string SSex)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_student_update", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
mycomm.Parameters.Add(new SqlParameter("@SName", SName));
mycomm.Parameters.Add(new SqlParameter("@SClass", SClass));
mycomm.Parameters.Add(new SqlParameter("@SSex", SSex));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//通过学好查看某个学生的选课情况student_one_information
public DataSet student_one_information(string SID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_student_one_information", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@SID", SID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//查询所有学生的选课情况
public DataSet student_all_information()
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_student_all_information", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//查找课程信息
public DataSet class_select()
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_class_select", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//通过课程号查找课程信息
public DataSet class_select_byEID(string EID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_class_select_byEID", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@EID", EID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//插入课程信息
public void class_insert(string EID, string EName, double ETime)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_class_insert", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
mycomm.Parameters.Add(new SqlParameter("@EName", EName));
mycomm.Parameters.Add(new SqlParameter("@ETime", ETime));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//删除课程信息
public void class_delete(string EID)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_class_delete", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//修改课程信息
public void class_update(string EID, string EName, double ETime)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_class_update", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
mycomm.Parameters.Add(new SqlParameter("@EName", EName));
mycomm.Parameters.Add(new SqlParameter("@ETime", ETime));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//通过学好查看得到分数的课程信息
public DataSet class_in(string SID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_class_in", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@SID", SID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//通过学好查看没有得到分数的课程信息
public DataSet class_notin(string SID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_class_notin", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@SID", SID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//查询成绩表
public DataSet score_select()
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_score_select", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//通过学好查询成绩表
public DataSet score_select_bySID(string SID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_score_select_bySID", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@SID", SID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//通过课程号查看成绩
public DataSet score_select_byEID(string EID)
{
try
{
SqlDataAdapter adapter = new SqlDataAdapter("proc_score_select_byEID", connstring);
adapter.SelectCommand.CommandType = CommandType.StoredProcedure;
adapter.SelectCommand.Parameters.Add(new SqlParameter("@EID", EID));
DataSet ds = new DataSet();
adapter.Fill(ds);
return ds;
}
catch (Exception Err)
{
return DataError(Err);
}
}
//插入学生成绩
public void score_insert(string SID, string EID, double EScore)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_score_insert", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
mycomm.Parameters.Add(new SqlParameter("@EScore", EScore));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//删除某个学生某课成绩
public void score_delete(string SID, string EID)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_score_delete", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//通过学好删除成绩
public void score_delete_bySID(string SID)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_score_delete_bySID", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//通过课程号删除成绩
public void score_delete_byEID(string EID)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_score_delete_byEID", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//修改课程成绩
public void score_update(string SID, string EID, double EScore)
{
SqlConnection myconn = new SqlConnection(connstring);
myconn.Open();
SqlTransaction mytran = myconn.BeginTransaction();
SqlCommand mycomm = new SqlCommand("proc_score_update", myconn);
mycomm.Transaction = mytran;
mycomm.CommandType = CommandType.StoredProcedure;
mycomm.Parameters.Add(new SqlParameter("@SID", SID));
mycomm.Parameters.Add(new SqlParameter("@EID", EID));
mycomm.Parameters.Add(new SqlParameter("@EScore", EScore));
try
{
mycomm.ExecuteNonQuery();
mytran.Commit();
}
catch (Exception Err)
{
mytran.Rollback();
throw new Exception(Err.Message);
}
finally
{
myconn.Close();
}
}
//错误信息表
public DataSet DataError(Exception Err)
{
DataSet ErrDataSet = new DataSet("Errors");
DataTable ErrDataTable = ErrDataSet.Tables.Add("Error");
ErrDataTable.Columns.Add("Message");
ErrDataTable.Rows.Add(new object[] { Err.Message });
return ErrDataSet;
}
}
}