csharp: SQL Server 2005 Database Backup and Restore using C#

1.第一种方式: using SQLDMO;//Microsoft SQLDMO Object Library 8.0

 /// <summary>        /// 数据库的备份        /// 涂聚文注:数据库的备份和实时进度显示代码：(远程备份在数据库原本地,如果在数据库安装的电脑上备份,就可以自行选择文件夹地址,不能备份在客户端的电脑上)        /// 20150205        /// 默认: C:/PRogram Files/Microsoft SQL Server/MSSQL.1/MSSQL/Backup (我装了2000,20005)        /// </summary>        /// <param name="ServerName"></param>        /// <param name="UserName"></param>        /// <param name="PassWord"></param>        /// <param name="strDbName"></param>        /// <param name="strFileName"></param>        /// <param name="pgbMain"></param>        /// <returns></returns>         public bool BackUPDB(string ServerName, string UserName, string Password, string strDbName, string strFileName, ProgressBar pgbMain)        {            PBar = pgbMain;            SQLDMO.SQLServer svr = new SQLDMO.SQLServerClass();            try            {                svr.Connect(ServerName, UserName, Password);                SQLDMO.Backup bak = new SQLDMO.BackupClass();                bak.Action = SQLDMO.SQLDMO_BACKUP_TYPE.SQLDMOBackup_Database;// 0;                                SQLDMO.BackupSink_PercentCompleteEventHandler pceh = new SQLDMO.BackupSink_PercentCompleteEventHandler(Step);                bak.PercentComplete += pceh;                bak.BackupSetDescription = "数据库备份";                bak.Files = strFileName;                bak.Database = strDbName;                bak.Initialize = true;                bak.SQLBackup(svr);                return true;            }            catch (Exception err)            {                throw (new Exception("备份数据库失败" + err.Message));                //return false ;                 //MessageBox.Show("备份数据库失败"+err.Message);            }            finally            {                svr.DisConnect();            }        }        /// <summary>        /// 数据库的恢复的代码：        /// </summary>        /// <param name="ServerName"></param>        /// <param name="UserName"></param>        /// <param name="Password"></param>        /// <param name="strDbName"></param>        /// <param name="strFileName"></param>        /// <param name="pgbMain"></param>        /// <returns></returns>         public bool RestoreDB(string ServerName, string UserName, string Password, string strDbName, string strFileName, ProgressBar pgbMain)        {            PBar = pgbMain;            SQLDMO.SQLServer svr = new SQLDMO.SQLServerClass();            try            {                svr.Connect(ServerName, UserName, Password);                SQLDMO.QueryResults qr = svr.EnumProcesses(-1);                int iColPIDNum = -1;                int iColDbName = -1;                for (int i = 1; i <= qr.Columns; i++)                {                    string strName = qr.get_ColumnName(i);                    if (strName.ToUpper().Trim() == "SPID")                    {                        iColPIDNum = i;                    }                    else if (strName.ToUpper().Trim() == "DBNAME")                    {                        iColDbName = i;                    }                    if (iColPIDNum != -1 && iColDbName != -1)                        break;                }                for (int i = 1; i <= qr.Rows; i++)                {                    int lPID = qr.GetColumnLong(i, iColPIDNum);                    string strDBName = qr.GetColumnString(i, iColDbName);                    if (strDBName.ToUpper() == strDbName.ToUpper())                        svr.KillProcess(lPID);                }                SQLDMO.Restore res = new SQLDMO.RestoreClass();                res.Action = SQLDMO.SQLDMO_RESTORE_TYPE.SQLDMORestore_Database; //0;                SQLDMO.RestoreSink_PercentCompleteEventHandler pceh = new SQLDMO.RestoreSink_PercentCompleteEventHandler(Step);                res.PercentComplete += pceh;                res.Files = strFileName;                res.Database = strDbName;                res.ReplaceDatabase = true;                res.SQLRestore(svr);                return true;            }            catch (Exception err)            {                throw (new Exception("恢复数据库失败,请关闭所有和该数据库连接的程序！" + err.Message));                //return false ;                 //MessageBox.Show("恢复数据库失败,请关闭所有和该数据库连接的程序！"+err.Message);            }            finally            {                svr.DisConnect();            }        }

2.第二种方式:

https://msdn.microsoft.com/en-us/library/microsoft.sqlserver.management.smo.backup.aspx

https://msdn.microsoft.com/en-us/library/microsoft.sqlserver.management.smo.restore.aspx

/// <summary>    /// https://msdn.microsoft.com/en-us/library/microsoft.sqlserver.management.smo.backup.aspx    /// https://msdn.microsoft.com/en-us/library/microsoft.sqlserver.management.smo.restore.aspx    /// </summary>    public class RestoreHelper    {        /// <summary>        ///         /// </summary>        public RestoreHelper()        {        }        /// <summary>        /// 还原数据库        /// 涂聚文        /// </summary>        /// <param name="databaseName"></param>        /// <param name="filePath"></param>        /// <param name="serverName"></param>        /// <param name="userName"></param>        /// <param name="password"></param>        /// <param name="dataFilePath"></param>        /// <param name="logFilePath"></param>        public void RestoreDatabase(String databaseName, String filePath, String serverName, String userName, String password, String dataFilePath, String logFilePath)        {            try            {                Restore sqlRestore = new Restore();                BackupDeviceItem deviceItem = new BackupDeviceItem(filePath, DeviceType.File);                sqlRestore.Devices.Add(deviceItem);                sqlRestore.Database = databaseName;                ServerConnection connection = new ServerConnection(serverName, userName, password);                Server sqlServer = new Server(connection);                Database db = sqlServer.Databases[databaseName];                sqlRestore.Action = RestoreActionType.Database;                String dataFileLocation = dataFilePath + databaseName + ".mdf";                String logFileLocation = logFilePath + databaseName + "_Log.ldf";                db = sqlServer.Databases[databaseName];                RelocateFile rf = new RelocateFile(databaseName, dataFileLocation);                sqlRestore.RelocateFiles.Add(new RelocateFile(databaseName, dataFileLocation));                sqlRestore.RelocateFiles.Add(new RelocateFile(databaseName + "_log", logFileLocation));                sqlRestore.ReplaceDatabase = true;                sqlRestore.Complete += new ServerMessageEventHandler(sqlRestore_Complete);                sqlRestore.PercentCompleteNotification = 10;                sqlRestore.PercentComplete += new PercentCompleteEventHandler(sqlRestore_PercentComplete);                sqlRestore.SqlRestore(sqlServer);                db = sqlServer.Databases[databaseName];                db.SetOnline();                sqlServer.Refresh();            }            catch (SqlServerManagementException ex)            {                ex.Message.ToString();            }        }        public event EventHandler<PercentCompleteEventArgs> PercentComplete;        /// <summary>        ///         /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        void sqlRestore_PercentComplete(object sender, PercentCompleteEventArgs e)        {            if (PercentComplete != null)                PercentComplete(sender, e);        }        public event EventHandler<ServerMessageEventArgs> Complete;        /// <summary>