C#(asp.net)备份还原mssql数据库代码【转】

采集自互联网，未验证。。。。。

如果我们使用虚拟主机为网站空间，这时如果需要备份和还原msssql数据库是非常麻烦，如果在网站后台管理当中加入对msssql数据库的操纵，可以使我们对数据库的备份和还原操作很方便，只要一键便可生成。

C#(asp.net)备份mssql数据库代码

string path = CreatePath();
        SQLDMO.Backup oBackup = new SQLDMO.BackupClass();
        SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
        try
        {
            oSQLServer.LoginSecure = false;
            oSQLServer.Connect(server, uid, pwd);
            oBackup.Action = SQLDMO.SQLDMO_BACKUP_TYPE.SQLDMOBackup_Database;
            oBackup.Database = database;
            oBackup.Files = path;
            oBackup.BackupSetName = database;
            oBackup.BackupSetDescription = "数据库备份";
            oBackup.Initialize = true;
            oBackup.SQLBackup(oSQLServer);
            return true;
        }
        catch (Exception ex)
        {
            return false;
            throw ex;
        }
        finally
        {
            oSQLServer.DisConnect();
        }

C#(asp.net)还原mssql数据库代码

SQLDMO.Restore oRestore = new SQLDMO.RestoreClass();
        SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
        oRestore.Action = 0;
        //SQLDMO.RestoreSink_PercentCompleteEventHandler pceh = new SQLDMO.RestoreSink_PercentCompleteEventHandler(Step);
        // oRestore.PercentComplete += pceh;
        try
        {
            oSQLServer.Connect(server, uid, pwd);
            SQLDMO.QueryResults qr = oSQLServer.EnumProcesses(-1);
            int iColPIDNum = -1;
            int iColDbName = -1;

            //杀死其它的连接进程
            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() == "CgRecord".ToUpper())
                    oSQLServer.KillProcess(lPID);
            }
            oRestore.Action = SQLDMO.SQLDMO_RESTORE_TYPE.SQLDMORestore_Database;
            oRestore.Database = database;
            oRestore.Files = HttpContext.Current.Server.MapPath(DropDownList_path.SelectedValue.Trim());
            oRestore.FileNumber = 1;
            oRestore.ReplaceDatabase = true;
            oRestore.SQLRestore(oSQLServer);
            base.RegisterStartupScript("page", "window.location.href='DbBackup.aspx';", "" + gt.TranslateChineseToOther("还原成功", "zh-CN", Language) + "");
        }
        catch (Exception ex)
        {
            base.RegisterStartupScript("page", "window.location.href='DbBackup.aspx';", "" + gt.TranslateChineseToOther("恢复数据库失败,请关闭所有和该数据库连接的程序！", "zh-CN", Language) + "");
            //throw ex;
        }
        finally
        {
            oSQLServer.DisConnect();
        }