WebService重载问题

在WebService中默认设置是不支持方法的重载的。简单写个例子

[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1  )]
// To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. 
// [System.Web.Script.Services.ScriptService]
public class WebService : System.Web.Services.WebService {
    public WebService () {

        //Uncomment the following line if using designed components 
        //InitializeComponent(); 
    }
    [WebMethod]
    public string HelloWorld() {
        return "Hello World";
    }
 
    [WebMethod]
    public string HelloWorld(string str)
    {
    return  "Hellp World,"+str;
    }
}

在浏览器中查看，会报如下错误

修改步骤如下：

1.修改[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1  )]，为[WebServiceBinding(ConformsTo = WsiProfiles.None  )]；

2.为重载的各方法添加不同的MessageName属性，作为重载时的标识。

[WebMethod(MessageName ="ShowWithoutName",Description="直接输出HelloWorld")]
    public string HelloWorld() {
        return "Hello World";
    }
  
    [WebMethod (MessageName ="ShowByName",Description="输出指定的字符串")]
    public string HelloWorld(string str)
    {
    return  "Hellp World,"+str;
    }

 

3.再次重新生成后，查看结果如下