/// <summary> /// 测试调用 HelloWorld 存储过程. /// </summary> private static void TestHelloWorld() { using (TestEntities context = new TestEntities()) { Console.WriteLine("调用 HelloWorld2 存储过程! 该存储过程 3个参数, 1个输入, 2个输出, 返回一个单行的结果集 "); ObjectParameter p1 = new ObjectParameter("vOutValue", ""); ObjectParameter p2 = new ObjectParameter("vInOutValue", ""); ObjectResult<string> result = context.HelloWorld2("Test", p1, p2); Console.WriteLine(result.FirstOrDefault()); Console.WriteLine(p1.Value); Console.WriteLine(p2.Value); } }