private void DelServerInstance()
        {
            DB.Cloud cloud   = new DB.Cloud();
            int      nResult = cloud.m_tbPInstance_Server_Del(ServerNum, strPCID, strInstanceName);

            if (nResult == 1)
            {
                Response.Write(callback + "({\"error\":1, \"desc\":\"삭제 완료\"})");
            }
            else
            {
                Response.Write(callback + "({\"error\":2, \"desc\":\"삭제 실패\"})");
            }
        }