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
1 using System;2 using System.Collections.Generic;3 using System.ComponentModel;4 using System.Data;5 using System.Drawing;6 using System.Text;7 using System.Windows.Forms;8 namespace Magicbit.Framework9 { 10 public partial class DBTools : Form 11 { 12 private static DBTools _Instance = null; 13 public static DBTools Instance() 14 { 15 if (_Instance == null) 16 { 17 _Instance = new DBTools(); 18 } 19 else 20 { 21 MessageBox.Show("已经有一个实例在运行！"); 22 } 23 return _Instance; 24 } 25 26 public DBTools() 27 { 28 InitializeComponent(); 29 } 30 private void BackAndRecoverDB_Load(object sender, EventArgs e) 31 { 32 this.txtSavePath.Text = Application.StartupPath; 33 //this.GetSQLServerList(); 34 } 35 private void GetSQLServerList() 36 { 37 //get all available SQL Servers 38 SQLDMO._Application sqlApp = new SQLDMO.ApplicationClass(); 39 SQLDMO.NameList sqlServers = sqlApp.ListAvailableSQLServers(); 40 for (int i = 0; i < sqlServers.Count; i++) 41 { 42 object srv = sqlServers.Item(i + 1); 43 if (srv != null) 44 { 45 this.cboServers.Items.Add(srv); 46 } 47 } 48 if (this.cboServers.Items.Count > 0) 49 this.cboServers.SelectedIndex = 0; 50 else 51 this.cboServers.Text = "<No available SQL Servers>"; 52 53 } 54 private void GetBackUpDB() 55 { 56 SQLDMO.Application sqlApp = new SQLDMO.ApplicationClass(); 57 SQLDMO.SQLServer srv = new SQLDMO.SQLServer(); 58 srv.Connect(this.cboServers.Text.Trim(),this.txtUserName.Text.Trim(),this.txtPassword.Text.Trim()); 59 foreach (SQLDMO.Database db in srv.Databases) 60 { 61 if (db.Name != null) 62 this.cboDatabase.Items.Add(db.Name); 63 } 64 65 } 66 private void pictureBox1_Click(object sender, EventArgs e) 67 { 68 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"); 69 } 70 private void button1_Click(object sender, EventArgs e) 71 { 72 this.GetBackUpDB(); 73 } 74 private void BackUpDB() 75 { 76 string selfName = this.txtSavePath.Text.Trim() + @"" + this.cboDatabase.Text.Trim() + "_"+ System.DateTime.Now.ToString("yyyyMMddHHmmss")+".DAT"; 77 string deviceName = this.cboDatabase.Text.Trim()+"bak"; 78 string remark = "数据备份"; 79 //BACKUP DB 80 SQLDMO.Backup oBackup = new SQLDMO.BackupClass(); 81 SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass(); 82 oBackup.Action = 0 ; 83 oBackup.Initialize = true ; 84 SQLDMO.BackupSink_PercentCompleteEventHandler pceh = new SQLDMO.BackupSink_PercentCompleteEventHandler(Step); 85 oBackup.PercentComplete += pceh; 86 try 87 { 88 oSQLServer.LoginSecure = false; 89 oSQLServer.Connect(this.cboServers.Text.Trim(),this.txtUserName.Text.Trim(),this.txtPassword.Text.Trim()); 90 oBackup.Action = SQLDMO.SQLDMO_BACKUP_TYPE.SQLDMOBackup_Database; 91 oBackup.Database = this.cboDatabase.Text.Trim();//数据库名 92 oBackup.Files = selfName;//文件路径 93 oBackup.BackupSetName = deviceName;//备份名称 94 oBackup.BackupSetDescription = remark;//备份描述 95 oBackup.Initialize = true; 96 oBackup.SQLBackup(oSQLServer); 97 } 98 catch(System.Exception ex) 99 {100 MessageBox.Show("数据备份失败： " + ex.ToString());101 }102 finally103 {104 oSQLServer.DisConnect();105 }106 }107 private void Step(string message, int percent)108 {109 this.progressBar1.Value = percent;110 }111 private void button2_Click(object sender, EventArgs e)112 {113 this.Cursor = Cursors.WaitCursor;114 this.label6.Visible = true;115 this.progressBar1.Visible = true;116 this.BackUpDB();117 this.Cursor = Cursors.Default;118 this.label6.Text = "备份已完成.";119 }120 public void RestoreDB()121 {122 string filePath = this.txtBackUpFile.Text.Trim();123 SQLDMO.Restore oRestore = new SQLDMO.RestoreClass();124 SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();125 oRestore.Action = 0 ;126 SQLDMO.RestoreSink_PercentCompleteEventHandler pceh = new SQLDMO.RestoreSink_PercentCompleteEventHandler(Step);127 oRestore.PercentComplete += pceh;128 try129 {130 oSQLServer.Connect(this.cboServers.Text.Trim(),this.txtUserName.Text.Trim(),this.txtPassword.Text.Trim());131 SQLDMO.QueryResults qr = oSQLServer.EnumProcesses(-1) ;132 int iColPIDNum = -1 ;133 int iColDbName = -1 ;134 //杀死其它的连接进程135 for(int i=1;i<=qr.Columns;i++)136 {137 string strName = qr.get_ColumnName(i) ;138 if (strName.ToUpper().Trim() == "SPID")139 {140 iColPIDNum = i ;141 }142 else if (strName.ToUpper().Trim() == "DBNAME")143 {144 iColDbName = i ;145 }146 if (iColPIDNum != -1 && iColDbName != -1)147 break ;148 }149 for(int i=1;i<=qr.Rows;i++)150 {151 int lPID = qr.GetColumnLong(i,iColPIDNum) ;152 string strDBName = qr.GetColumnString(i,iColDbName) ;153 if (strDBName.ToUpper() == "CgRecord".ToUpper())154 oSQLServer.KillProcess(lPID) ;155 }156 oRestore.Action = SQLDMO.SQLDMO_RESTORE_TYPE.SQLDMORestore_Database;157 oRestore.Database = this.cboDBtoBackup.Text;158 oRestore.Files = filePath;159 oRestore.FileNumber = 1;160 oRestore.ReplaceDatabase = true;161 oRestore.SQLRestore(oSQLServer);162 }163 catch(System.Exception ex)164 {165 MessageBox.Show("数据还原失败： " + ex.ToString());166 }167 finally168 {169 oSQLServer.DisConnect();170 }171172173 }174 private void button3_Click(object sender, EventArgs e)175 {176 this.folderBrowserDialog1.Description = "请选择备份文件存放目录";177 this.folderBrowserDialog1.ShowNewFolderButton = true;178 this.folderBrowserDialog1.ShowDialog();179 this.txtSavePath.Text = this.folderBrowserDialog1.SelectedPath;180 }181 private void button4_Click(object sender, EventArgs e)182 {183 this.openFileDialog1.DefaultExt = "*.dat";184 this.openFileDialog1.Title = "请选择要还原的数据库备份文件.";185 this.openFileDialog1.ShowDialog();186 this.txtBackUpFile.Text = this.openFileDialog1.FileName;187 }188 private void button5_Click(object sender, EventArgs e)189 {190 this.Cursor = Cursors.WaitCursor;191 this.label6.Visible = true;192 this.progressBar1.Visible = true;193 this.RestoreDB();194 this.Cursor = Cursors.Default;195 this.label6.Text = "还原已完成.";196 }197 }198}
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时间： 2024-07-28 14:48:03