C#创建Http请求 HttpWebRequest

function getXMLHTTPObj()



 {



  var C = null;



  try



  {



   C = new ActiveXObject("Msxml2.XMLHTTP");



  }



  catch(e)



  {



   try



   {



    C = new ActiveXObject("Microsoft.XMLHTTP");



   }



   catch(sc)



   {



    C = null;



   }



  }



  



  if( !C && typeof XMLHttpRequest != "undefined" )



  {



   C = new XMLHttpRequest();



  }



  



  return C;



 }







function Send(Str,URL)  



{ 



    var Http = getXMLHTTPObj()



    if( Http )



    { 



        Http.open("POST",URL,false) 



        Http.send(Str)         



        return Http.responseText; 



    }



}

WebRequest request = WebRequest.Create("../IPC/PublicAPI.aspx?API=GetMaliListByPhaseId&phaseTaskId=" + Uri.EscapeDataString(phaseTaskId));

                request.Method = "POST";

                WebResponse response = request.GetResponse();

                Stream dataStream = response.GetResponseStream();

                // Open the stream using a StreamReader for easy access.

                StreamReader reader = new StreamReader(dataStream);

                // Read the content.

                string mailList = reader.ReadToEnd();