相关疑难解决方法(0)

我有一个现有的Web API 2服务,需要修改其中一个方法以将自定义对象作为另一个参数,目前该方法有一个参数,它是来自URL的简单字符串.将自定义对象添加为参数后,从.NET Windows应用程序调用服务时,我现在收到415不支持的媒体类型错误.有趣的是,我可以使用javascript和jquery ajax方法成功调用此方法.

Web API 2服务方法如下所示:

<HttpPost>
<HttpGet>
<Route("{view}")>
Public Function GetResultsWithView(view As String, pPaging As Paging) As HttpResponseMessage
   Dim resp As New HttpResponseMessage
   Dim lstrFetchXml As String = String.Empty
   Dim lstrResults As String = String.Empty

   Try
      '... do some work here to generate xml string for the response
      '// write xml results to response
      resp.Content = New StringContent(lstrResults)
      resp.Content.Headers.ContentType.MediaType = "text/xml"
      resp.Headers.Add("Status-Message", "Query executed successfully")
      resp.StatusCode = HttpStatusCode.OK
   Catch ex As Exception
      resp.StatusCode = HttpStatusCode.InternalServerError
      resp.Headers.Add("Status-Message", String.Format("Error …