WebException獲取詳細內容 記錄

http://bbs.csdn.net/topics/390883361

來自此處.

問題.某個接口.返回錯誤消息用的是400.因此必須知道具體的內容.

using  System;

using  System.IO;

using  System.Net;

 

public  class  Test

{

     static  void  Main()

     {

         HttpWebRequest request = (HttpWebRequest)WebRequest.Create( "http://csharpindepth.com/asd" );

         try

         {

             using  (Stream data = request.GetResponse().GetResponseStream())

             {

                 using  (StreamReader reader =  new  StreamReader(data))

                 {

                     string  text = reader.ReadToEnd();

                     Console.WriteLine(text);

                 }

             }

         }

         catch  (WebException ex)

         {

             HttpWebResponse response = (HttpWebResponse) ex.Response;

             Console.WriteLine( "Error code: {0}" , response.StatusCode);

             if  (response.StatusCode == HttpStatusCode.BadRequest)

             {

                 using  (Stream data = response.GetResponseStream())

                 {

                     using  (StreamReader reader =  new  StreamReader(data))

                     {

                         string  text = reader.ReadToEnd();

                         Console.WriteLine(text);

                     }

                 }

             }

         }

     }

}

感謝@save4me