asp.net 备份和恢复数据库的方法示例(2)

public static void SQLDbRestore(string ServerIP,string LoginName,string LoginPass,string DBName,string BackPath)
        {

            SQLDMO.Restore orestore = new SQLDMO.RestoreClass();
            SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
            try
            {
                oSQLServer.LoginSecure = false;
                oSQLServer.Connect(ServerIP, LoginName, LoginPass);
                orestore.Action = SQLDMO.SQLDMO_RESTORE_TYPE.SQLDMORestore_Database;
                orestore.Database = DBName;
                orestore.Files = BackPath;
                orestore.FileNumber = 1;
                orestore.ReplaceDatabase = true;
                orestore.SQLRestore(oSQLServer);

}
            catch (Exception e)
            {
                throw new Exception(e.ToString());
            }
            finally
            {
                oSQLServer.DisConnect();
            }
        }

        #endregion

#region 根据指定的文件名称创建Access数据库
        /// <summary>
        /// 根据指定的文件名称创建数据
        /// </summary>
        /// <param>绝对路径+文件名称</param>
        public static void CreateAccess(string DBPath)
        {
            if (File.Exists(DBPath))//检查数据库是否已存在
            {
                throw new Exception("目标数据库已存在,无法创建");
            }         
            DBPath = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+DBPath;
            //创建一个CatalogClass对象实例
            ADOX.CatalogClass cat = new ADOX.CatalogClass();
            //使用CatalogClass对象的Create方法创建ACCESS数据库
            cat.Create(DBPath);

}
        #endregion

#region 压缩Access数据库
        /// <summary>
        /// 压缩Access数据库
        /// </summary>
        /// <param>数据库绝对路径</param>
        public static void CompactAccess(string DBPath)
        {
            if (!File.Exists(DBPath))
            {
                throw new Exception("目标数据库不存在,无法压缩");
            }

            //声明临时数据库名称
            string temp = DateTime.Now.Year.ToString();
            temp += DateTime.Now.Month.ToString();
            temp += DateTime.Now.Day.ToString();
            temp += DateTime.Now.Hour.ToString();
            temp += DateTime.Now.Minute.ToString();
            temp += DateTime.Now.Second.ToString() + ".bak";
            temp = DBPath.Substring(0, DBPath.LastIndexOf("\\") + 1) + temp;
            //定义临时数据库的连接字符串
            string temp2 = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+temp;
            //定义目标数据库的连接字符串
            string DBPath2 = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+DBPath;
            //创建一个JetEngineClass对象的实例
            JRO.JetEngineClass jt = new JRO.JetEngineClass();
            //使用JetEngineClass对象的CompactDatabase方法压缩修复数据库
            jt.CompactDatabase(DBPath2, temp2);
            //拷贝临时数据库到目标数据库(覆盖)
            File.Copy(temp, DBPath, true);
            //最后删除临时数据库
            File.Delete(temp);
        }
        #endregion