c# - AJAX 请求错误

Question

我在提交 ajax 请求时遇到错误。

这是 jQuery/ajax

  <script type="text/javascript">
      $(function () {
          $('#BookButton').click(function (event) {
              var form = $('#Form1');
              $.ajax({
                  type: form.attr('method'),
                  url: form.attr('action'),
                  data: $("#BookRoom :input").serialize()
              }).done(function (data) {
                  $('#BookRoom').modal('hide');
                  if (data === ResponseType.Success) {
                      $('#SuccessMsg').text('Meeting Booked');
                      $('#SuccessMessage').modal('show');
                  }
                  else if (data === ResponseType.Reject) {
                      $('#SuccessMsg').text('There are conflicts');
                      $('#SuccessMessage').modal('show');
                  }
                  else if (data === ResponseType.Reject) {
                      // Notify user: It is your fault
                  }
                  else {
                      $('#SuccessMsg').text('Test');
                      $('#SuccessMessage').modal('show');
                  }


                  // Optionally alert the user of success here...


                  setTimeout(function () { $('#SuccessMessage').modal('hide'); }, 3000);
              }).fail(function () {
                  // Optionally alert the user of an error here...
                  alert("Error submitting AJAX request");
              });
              event.preventDefault(); // Prevent the form from submitting via the browser.
          });
      });

C#总结

            public enum ReponseType : int
            {
            Success = 0,
            Reject = 1

              }



            if (ITMtgfapts.Items.Count > 0) // If there is more than one item
            {


                Response.AddHeader("Content-type", "application/json");
                Response.ContentType = "application/json";
                Response.Write(JsonConvert.SerializeObject(ReponseType.Reject));
                Response.End();
            }


            else
            {

                //Success
                appointment.RequiredAttendees.Add(roomEmail);



                appointment.Save(SendInvitationsMode.SendToAllAndSaveCopy);
                Response.AddHeader("Content-type", "application/json");
                Response.ContentType = "application/json";
                Response.Write(JsonConvert.SerializeObject(ReponseType.Success));
                Response.End();


            }

值得注意的是，这是一个 WebForms 应用程序。当我提交表单时，我得到:

  alert("Error submitting AJAX request");

错误信息。然而 C# 仍然执行(即它预订 session 室)

有什么想法吗？

谢谢

编辑:

fiddler 响应

JSON:

ResponseType=0

原始:

HTTP/1.1 200 OK
Cache-Control: private
Content-Type: application/json; charset=utf-8
Server: Microsoft-IIS/7.5
X-AspNet-Version: 4.0.30319
X-Powered-By: ASP.NET
Date: Tue, 14 Jan 2014 14:58:54 GMT
Content-Length: 36

{"ResponseType":0}{"ResponseType":1}

编辑 2:

得到它的工作所以这是现在的回应:

  HTTP/1.1 200 OK
  Cache-Control: private
  Content-Type: application/json; charset=utf-8
  Server: Microsoft-IIS/7.5
  X-AspNet-Version: 4.0.30319
  X-Powered-By: ASP.NET
  Date: Tue, 14 Jan 2014 15:15:28 GMT
  Content-Length: 18

  {"ResponseType":0}

我从 catch { } 中删除了代码，因为当将页面输出为 JSON 时，它弄乱了它并导致它被捕获。

现在它总是返回

  else {
                  $('#SuccessMsg').text('Test');
                  $('#SuccessMessage').modal('show');
              }

而不是成功

想法？

Answer 1

我刚刚使用 JavascriptSerializer 类运行了一个测试来序列化一个枚举值，我收到了一个仅包含枚举值的整数表示的字符串(3 在我的案件)。我认为要获得有效的 json 字符串，您需要有一个对象。尝试这样的事情:

JsonConvert.SerializeObject(new { ResponseType = ReponseType.Success })

然后在 javascript 中:

data.ResponseType