ASP.Net的WebMethod 405

问题描述

我希望有人可以解释为什么我可以在我的ASP.Net VB.Net的WebMethod attemping从JQuery的AJAX调用方法时，可以接收405错误的一些情况。

服务器实施

 ＆LT;的WebMethod（）GT; _
    公共共享功能的DoSomething（ID作为字符串）作为字符串
        昏暗VM中HssViewModel =新HssViewModel（）        昏暗jResult作为字符串= JsonConvert.SerializeObject（VM）        返回jResult
   结束功能
 

Javscript执行：

  $阿贾克斯（{
            键入：POST，
            网址：mypage.aspx / DoSomething的
            的contentType：应用/ JSON;字符集UTF-8
            数据：{ID：ABC12345}，
            数据类型：JSON
            缓存：真实，
            更迭：功能（数据）{
                上下文=数据;
                的console.log（数据）;
            }，
            错误：功能（错误）{                的console.log（JQUERY错误响应：+ err.message）;
            }
        }）;
 

我一直收到以下错误消息：

  POST HTTP：//localhost/mypage.aspx/DoSomething 405（不允许的方法）
 

我也试图建立脚本方法标签，让一个GET请求，但后来我收到404

 ＆LT; ScriptMethod（UseHttpGet：= TRUE，ResponseFormat：= ResponseFormat.Json）GT; _
 

解决方案

您的WebMethod期待一个GET请求：

 ＆LT; ScriptMethod（UseHttpGet：= TRUE
 

但你在做一个POST请求：

  $。阿贾克斯（{
     键入：POST，
 

一个405是由IIS抛出当HTTP动词（GET，PUT，POST，DELETE，HEAD等）请求，不支持/由指定的处理程序不允许的。

如果改变以上问题的差异仍然存在之后再看看你的IIS处理程序映射。

I'm hoping someone can shed some light on why I may be receiving a 405 errors on my ASP.Net VB.Net WebMethod when attemping to call from JQuery ajax method.

Server Implementation:

    <WebMethod()> _
    Public Shared Function DoSomething(id As String) As String
        Dim vm As HssViewModel = New HssViewModel()

        Dim jResult As String = JsonConvert.SerializeObject(vm)

        Return jResult
   End Function

Javscript Implementation:

  $.ajax({
            type: "POST",
            url: "mypage.aspx/DoSomething",
            contentType: "application/json; charset-utf-8",
            data: { 'id': 'ABC12345' },
            dataType: "json",
            cache: true,
            succes: function (data) {
                context = data;
                console.log(data);
            },
            error: function (err) {

                console.log("JQUERY ERROR RESPONSE: " + err.message);
            }
        });

I am consistently receiving the following error message:

POST http://localhost/mypage.aspx/DoSomething 405 (Method Not Allowed)

I have also tried setting up the script method tag to allow a GET request but then I receive a 404

  <ScriptMethod(UseHttpGet:=True, ResponseFormat:=ResponseFormat.Json)> _

解决方案

Your WebMethod is expecting a GET request:

<ScriptMethod(UseHttpGet:=True

but you are doing a POST request:

$.ajax({
     type: "POST",

A 405 is thrown by IIS when an HTTP verb(GET,PUT,POST,DELETE,HEAD,etc.) is requested and is not supported/disallowed by the designated handler.

If after changing the discrepancy above the problem persist then look at your iis handler mappings.

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