C#中结合使用SQLDMO实现备份、还原SQLserver数据库
找了好几个,这个例子还算不错!
主要在还原数据库时,有杀死其它连接进程的代码
找了好几个,这个例子还算不错!
主要在还原数据库时,有杀死其它连接进程的代码
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
Code
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Text;
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using System.Windows.Forms;
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namespace Magicbit.Framework
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![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
{
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public partial class DBTools : Form
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{
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private static DBTools _Instance = null;
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public static DBTools Instance()
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{
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if (_Instance == null)
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{
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_Instance = new DBTools();
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}
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else
20![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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MessageBox.Show("已经有一个实例在运行!");
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}
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return _Instance;
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}
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public DBTools()
27![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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InitializeComponent();
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}
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private void BackAndRecoverDB_Load(object sender, EventArgs e)
31![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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this.txtSavePath.Text = Application.StartupPath;
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//this.GetSQLServerList();
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}
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private void GetSQLServerList()
36![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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//get all available SQL Servers
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SQLDMO._Application sqlApp = new SQLDMO.ApplicationClass();
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SQLDMO.NameList sqlServers = sqlApp.ListAvailableSQLServers();
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for (int i = 0; i < sqlServers.Count; i++)
41![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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object srv = sqlServers.Item(i + 1);
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if (srv != null)
44![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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this.cboServers.Items.Add(srv);
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}
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}
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if (this.cboServers.Items.Count > 0)
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this.cboServers.SelectedIndex = 0;
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else
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this.cboServers.Text = "<No available SQL Servers>";
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}
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private void GetBackUpDB()
55![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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SQLDMO.Application sqlApp = new SQLDMO.ApplicationClass();
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SQLDMO.SQLServer srv = new SQLDMO.SQLServer();
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srv.Connect(this.cboServers.Text.Trim(),this.txtUserName.Text.Trim(),this.txtPassword.Text.Trim());
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foreach (SQLDMO.Database db in srv.Databases)
60![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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if (db.Name != null)
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this.cboDatabase.Items.Add(db.Name);
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}
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}
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private void pictureBox1_Click(object sender, EventArgs e)
67![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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MessageBox.Show("欢迎使用数据库备份、还原工具,本工具将协助你备份和还原数据库,确保数据安全!", "备份您的数据库");
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}
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private void button1_Click(object sender, EventArgs e)
71![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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this.GetBackUpDB();
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}
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private void BackUpDB()
75![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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string selfName = this.txtSavePath.Text.Trim() + @"" + this.cboDatabase.Text.Trim() + "_"+ System.DateTime.Now.ToString("yyyyMMddHHmmss")+".DAT";
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string deviceName = this.cboDatabase.Text.Trim()+"bak";
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string remark = "数据备份";
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//BACKUP DB
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SQLDMO.Backup oBackup = new SQLDMO.BackupClass();
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SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
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oBackup.Action = 0 ;
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oBackup.Initialize = true ;
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SQLDMO.BackupSink_PercentCompleteEventHandler pceh = new SQLDMO.BackupSink_PercentCompleteEventHandler(Step);
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oBackup.PercentComplete += pceh;
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try
87![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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oSQLServer.LoginSecure = false;
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oSQLServer.Connect(this.cboServers.Text.Trim(),this.txtUserName.Text.Trim(),this.txtPassword.Text.Trim());
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oBackup.Action = SQLDMO.SQLDMO_BACKUP_TYPE.SQLDMOBackup_Database;
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oBackup.Database = this.cboDatabase.Text.Trim();//数据库名
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oBackup.Files = selfName;//文件路径
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oBackup.BackupSetName = deviceName;//备份名称
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oBackup.BackupSetDescription = remark;//备份描述
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oBackup.Initialize = true;
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oBackup.SQLBackup(oSQLServer);
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}
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catch(System.Exception ex)
99![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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MessageBox.Show("数据备份失败: " + ex.ToString());
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}
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finally
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{
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oSQLServer.DisConnect();
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}
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}
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private void Step(string message, int percent)
108![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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this.progressBar1.Value = percent;
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}
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private void button2_Click(object sender, EventArgs e)
112![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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this.Cursor = Cursors.WaitCursor;
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this.label6.Visible = true;
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this.progressBar1.Visible = true;
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this.BackUpDB();
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this.Cursor = Cursors.Default;
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this.label6.Text = "备份已完成.";
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}
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public void RestoreDB()
121![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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string filePath = this.txtBackUpFile.Text.Trim();
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SQLDMO.Restore oRestore = new SQLDMO.RestoreClass();
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SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
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oRestore.Action = 0 ;
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SQLDMO.RestoreSink_PercentCompleteEventHandler pceh = new SQLDMO.RestoreSink_PercentCompleteEventHandler(Step);
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oRestore.PercentComplete += pceh;
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try
129![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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oSQLServer.Connect(this.cboServers.Text.Trim(),this.txtUserName.Text.Trim(),this.txtPassword.Text.Trim());
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SQLDMO.QueryResults qr = oSQLServer.EnumProcesses(-1) ;
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int iColPIDNum = -1 ;
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int iColDbName = -1 ;
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//杀死其它的连接进程
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for(int i=1;i<=qr.Columns;i++)
136![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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string strName = qr.get_ColumnName(i) ;
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if (strName.ToUpper().Trim() == "SPID")
139![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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iColPIDNum = i ;
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}
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else if (strName.ToUpper().Trim() == "DBNAME")
143![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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iColDbName = i ;
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}
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if (iColPIDNum != -1 && iColDbName != -1)
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break ;
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}
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for(int i=1;i<=qr.Rows;i++)
150![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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int lPID = qr.GetColumnLong(i,iColPIDNum) ;
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string strDBName = qr.GetColumnString(i,iColDbName) ;
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if (strDBName.ToUpper() == "CgRecord".ToUpper())
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oSQLServer.KillProcess(lPID) ;
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}
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oRestore.Action = SQLDMO.SQLDMO_RESTORE_TYPE.SQLDMORestore_Database;
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oRestore.Database = this.cboDBtoBackup.Text;
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oRestore.Files = filePath;
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oRestore.FileNumber = 1;
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oRestore.ReplaceDatabase = true;
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oRestore.SQLRestore(oSQLServer);
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}
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catch(System.Exception ex)
164![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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MessageBox.Show("数据还原失败: " + ex.ToString());
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}
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finally
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{
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oSQLServer.DisConnect();
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}
171![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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}
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private void button3_Click(object sender, EventArgs e)
175![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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this.folderBrowserDialog1.Description = "请选择备份文件存放目录";
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this.folderBrowserDialog1.ShowNewFolderButton = true;
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this.folderBrowserDialog1.ShowDialog();
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this.txtSavePath.Text = this.folderBrowserDialog1.SelectedPath;
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}
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private void button4_Click(object sender, EventArgs e)
182![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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this.openFileDialog1.DefaultExt = "*.dat";
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this.openFileDialog1.Title = "请选择要还原的数据库备份文件.";
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this.openFileDialog1.ShowDialog();
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this.txtBackUpFile.Text = this.openFileDialog1.FileName;
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}
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private void button5_Click(object sender, EventArgs e)
189![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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this.Cursor = Cursors.WaitCursor;
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this.label6.Visible = true;
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this.progressBar1.Visible = true;
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this.RestoreDB();
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this.Cursor = Cursors.Default;
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this.label6.Text = "还原已完成.";
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}
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}
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}
主要在还原数据库时,有杀死其它连接进程的代码
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