sqlserver备份还原数据库功能封装分享

代码如下: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.LoginSecur