/// <summary>
        /// 测试调用 testProc 存储过程.
        /// </summary>
        private static void TestProc()
        {
            using (TestEntities context = new TestEntities())
            {
                Console.WriteLine("调用 testProc 存储过程!  该存储过程 无参数, 返回一个2行2列的结果集 ");

                var query = context.TestProc();

                foreach (testprocresult oneResult in query)
                {
                    Console.WriteLine("A={0},  B={1}",  oneResult.A,  oneResult.B);
                }
            }
        }