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我作的页面中实现SQL数据库备份还原

Posted on 2006-10-13 15:55  小鱼儿  阅读(762)  评论(1编辑  收藏  举报

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

namespace wangshun.SystemConfig
{
 /// <summary>
 /// DataBase 的摘要说明。
 /// </summary>
 public class DataBase : System.Web.UI.Page
 {
  protected System.Web.UI.WebControls.Button Button2;
  protected System.Web.UI.WebControls.Button Button1;
 
  private void Page_Load(object sender, System.EventArgs e)
  {
   // 在此处放置用户代码以初始化页面
  }
  /**//// <summary>
  /// 杀死当前库的所有进程
  /// </summary>
  /// <returns></returns>
  private bool exepro()
  {
   string connstr  = System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"];
    
   string [] connstrayy = connstr.Split(";".ToCharArray(),4);
    
   string ip=connstrayy[0].Split("=".ToCharArray(),2)[1];
   string Database=connstrayy[1].Split("=".ToCharArray(),2)[1];
   string Userid=connstrayy[2].Split("=".ToCharArray(),2)[1];
   string Pwd=connstrayy[3].Split("=".ToCharArray(),2)[1];

   SqlConnection conn1 = new SqlConnection("server="+ip+";uid="+Userid+";pwd="+Pwd+";database=master");
   SqlCommand cmd = new SqlCommand("killspid",conn1);
   cmd.CommandType = CommandType.StoredProcedure;
   cmd.Parameters.Add("@dbname",Database);
   try
   {
    conn1.Open();
    cmd.ExecuteNonQuery();
    return true;
   }
   catch(Exception ex)
   {
    return false;
   }
   finally
   {
    conn1.Close();
   }

  }
  #region Web 窗体设计器生成的代码
  override protected void OnInit(EventArgs e)
  {
   //
   // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
   //
   InitializeComponent();
   base.OnInit(e);
  }
  
  /// <summary>
  /// 设计器支持所需的方法 - 不要使用代码编辑器修改
  /// 此方法的内容。
  /// </summary>
  private void InitializeComponent()
  {   
   this.Button1.Click += new System.EventHandler(this.Button1_Click);
   this.Button2.Click += new System.EventHandler(this.Button2_Click);
   this.Load += new System.EventHandler(this.Page_Load);

  }
  #endregion
  /// <summary>
  /// 备份数据库
  /// </summary>
  /// <param name="sender"></param>
  /// <param name="e"></param>
  private void Button1_Click(object sender, System.EventArgs e)
  {
   SQLDMO.Backup oBackup = new SQLDMO.BackupClass();
   SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
   try
   {
    string connstr  = System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"];
    
    string [] connstrayy = connstr.Split(";".ToCharArray(),4);
    
    string ip=connstrayy[0].Split("=".ToCharArray(),2)[1];
    string Database=connstrayy[1].Split("=".ToCharArray(),2)[1];
    string Userid=connstrayy[2].Split("=".ToCharArray(),2)[1];
    string Pwd=connstrayy[3].Split("=".ToCharArray(),2)[1];

    oSQLServer.LoginSecure = false;
    oSQLServer.Connect(ip, Userid, Pwd);
    oBackup.Action = SQLDMO.SQLDMO_BACKUP_TYPE.SQLDMOBackup_Database;
    oBackup.Database = Database;
    oBackup.Files = Server.MapPath("./dbback") +"/"+Database+".bak";
    oBackup.BackupSetName = Database;
    oBackup.BackupSetDescription = "数据库备份";
    oBackup.Initialize = true;
    oBackup.SQLBackup(oSQLServer);
    Response.Write("<script>alert('恭喜您备份数据库成功!');</script>");
   }
   catch
   {
    throw;
   }
   finally
   {
    oSQLServer.DisConnect();
   }

  }
  /// <summary>
  /// 还原数据库
  /// </summary>
  /// <param name="sender"></param>
  /// <param name="e"></param>
  private void Button2_Click(object sender, System.EventArgs e)
  {
   if(exepro()!=true)//执行存储过程
             
   {
    Response.Write("<script>alert('对不起执行操作失败请重试!');</script>");
    return;
   }
   else
   { 
    SQLDMO.Restore oRestore = new SQLDMO.RestoreClass();
    SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
    try
    {
     string connstr  = System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"];
    
     string [] connstrayy = connstr.Split(";".ToCharArray(),4);
    
     string ip=connstrayy[0].Split("=".ToCharArray(),2)[1];
     string Database=connstrayy[1].Split("=".ToCharArray(),2)[1];
     string Userid=connstrayy[2].Split("=".ToCharArray(),2)[1];
     string Pwd=connstrayy[3].Split("=".ToCharArray(),2)[1];
    
     oSQLServer.LoginSecure = false;
     oSQLServer.Connect(ip,Userid,Pwd);
     oRestore.Action = SQLDMO.SQLDMO_RESTORE_TYPE.SQLDMORestore_Database;
     oRestore.Database = Database;     
     oRestore.Files = Server.MapPath("./dbback") +"/"+Database+".bak";
     oRestore.FileNumber = 1;
     oRestore.ReplaceDatabase = true;
     oRestore.SQLRestore(oSQLServer);
     Response.Write("<script>alert('恭喜您数据库还原成功!');</script>");
    }
    catch
    {
     throw;
    }
    finally
    {
     oSQLServer.DisConnect();
    }

   }
  }  
 }
}


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