public static string  DbRestore(string dbName,string backupFile)
        {

            SQLDMO.Restore oRestore = new SQLDMO.RestoreClass();
            SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
            try
            {
                oSQLServer.LoginSecure = false;
                oSQLServer.Connect("127.0.0.1", "sa", "sa");
                oRestore.Action = SQLDMO.SQLDMO_RESTORE_TYPE.SQLDMORestore_Database;
                oRestore.Database = dbName;
                oRestore.Files = @"d:\\aaa\\"+backupFile;
                oRestore.FileNumber = 1;
                oRestore.ReplaceDatabase = true;
                oRestore.SQLRestore(oSQLServer);
                return "数据库"+dbName+"已经成功恢复!";
            }
            catch(Exception ex)
            {
                throw new Exception("数据库恢复失败: "+ex.Message );
            }
            finally
            {
                oSQLServer.DisConnect();
            }
        }
        
        
        
        private void Button2_Click(object sender, System.EventArgs e)
        {
            
            string conStr = "server=.;database=master;user id=sa;password=sa";
            SqlConnection con = new SqlConnection(conStr);
            string cmdText = String.Format("EXEC sp_KillThread @dbname='{0}'", TextBox1.Text);
            SqlCommand com = new SqlCommand(cmdText, con);
            try 
            {
                con.Open();
                com.ExecuteNonQuery();
                con.Close();
                //恢复数据库
                string ret = DBOperater.DbRestore(TextBox1.Text, TextBox2.Text);
                this.Label1.Text = ret;
            }
            catch (Exception ex)
            {
                con.Close();
                this.Label1.Text = ex.Message;
            }

        }
        
        
        
        
        
        这是我的恢复数据库的代码``为什么报这个错误：
        数据库恢复失败: [Microsoft][ODBC SQL Server Driver][SQL Server]无法打开备份设备 'd:\\aaa\\test'。设备出现错误或设备脱机。详细信息请参阅 SQL Server 错误日志。 [Microsoft][ODBC SQL Server Driver][SQL Server]RESTORE DATABASE 操作异常终止。
   谁帮我解决下！！！
！！！！！！谢谢！！！！！！！！！！！11111