小编Wes*_*win的帖子

我只是想在http://www.test.com/test.asp?test1=3上发表一篇http帖子.这是我一直在尝试使用的代码:

    private void pif_test_conn()
    {


        Uri url = new Uri("http://www.test.com/test.asp?test1=3", UriKind.Absolute);



        if (httpResult == true)
        {


            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
            request.ContentType = "application/x-www-form-urlencoded";
            request.Method = "POST";
           request.BeginGetResponse(new AsyncCallback(ReadCallback), request); 

        }



        return ;
    }


   private void ReadCallback(IAsyncResult asynchronousResult)
    {


        HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;


        HttpWebResponse response =  (HttpWebResponse)request.EndGetResponse(asynchronousResult);

        using (StreamReader streamReader1 =  new StreamReader(response.GetResponseStream()))
        {

            string resultString = streamReader1.ReadToEnd();

             MessageBox.Show("Using HttpWebRequest: " + resultString, "Found", MessageBoxButton.OK);             
        }

    }

当我执行此代码时,我的程序会触发Application_UnhandledException事件.不确定我做错了什么.

我想编写一个程序,可以向用户显示数据库中的表列表,并显示这些表的描述.那么我可以做一个"select*from system_table"或类似的东西吗？