sqlserver备份还原数据库功能封装分享
using System;
using SQLDMO;
namespace EDTBackupTool
{
/// <summary>
/// Backup 的摘要说明。
/// </summary>
public class SQLTools
{
public static bool Backup(string backfile){
try
{
SQLDMO.Backup backup = new BackupClass();
SQLDMO.SQLServer server = new SQLServerClass();
server.LoginSecure = true;
server.Connect(ClientCommon.CommonFunctions.DataSource,"sa","");
backup.Action = SQLDMO.SQLDMO_BACKUP_TYPE.SQLDMOBackup_Database;
backup.Database = ClientCommon.CommonFunctions.Catalog;
backup.Files =backfile;
backup.BackupSetName =ClientCommon.CommonFunctions.Catalog;
backup.BackupSetDescription = "数据库备份";
backup.Initialize = true;
backup.SQLBackup(server);
return true;
}
catch(Exception ex){
ClientCommon.ExceptionRecorder.Record(ex);
return false;
}
}
public static bool RestoreDB(string strFileName)
{
SQLDMO.SQLServer svr = new SQLDMO.SQLServerClass() ;
try
{
svr.LoginSecure=true;
svr.Connect(ClientCommon.CommonFunctions.DataSource,"sa","") ;
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() == ClientCommon.CommonFunctions.Catalog)
{
iColDbName = i ;
}
if (iColPIDNum != -1 && iColDbName != -1)
break ;
}
//杀死使用strDbName数据库的进程
for(int i=1;i<=qr.Rows;i++)
{
int lPID = qr.GetColumnLong(i,iColPIDNum) ;
string strDBName = qr.GetColumnString(i,iColDbName) ;
if (strDBName.ToUpper() == ClientCommon.CommonFunctions.Catalog)
{
svr.KillProcess(lPID) ;
}
}
SQLDMO.Restore res = new SQLDMO.RestoreClass() ;
res.Action = 0 ;
res.Files = strFileName ;
res.Database = ClientCommon.CommonFunctions.Catalog ;
res.ReplaceDatabase = true ;
res.SQLRestore(svr) ;
return true ;
}
catch
{
return false;
}
finally
{
svr.DisConnect() ;
}
}
}
}