General

[lydotnet]

Hello, When request CallBack it is error "System.Net.WebException: The operation has timed out."

AppMainUpdate

{

.....

 WClient.SendQuery();

.....

}

-----------------------------------------------

public static class WClient  {  

     private static Queue<UriPack> QueueList = new Queue<UriPack> ();  

 private static Dictionary<string,EventHandler> DicRequest =new Dictionary<string, EventHandler> ();   private static String TimeInfoUri = "http://www.xxx.com.cn/data/sk/{0}.html";

 private static String CurrentKey;

  private static Uri CurrentUri;  

 private static bool isNext = true;

 private static void AddRequest (Uri uriStr, EventHandler e)   {  

  string key = Guid.NewGuid ().ToString ();    

DicRequest.Add (key, e);

   lock (QueueList) {   

  QueueList.Enqueue (new UriPack (key, uriStr));

   }

  }   

public static void SendQuery ()   {  

     lock (QueueList) {     

     if (QueueList.Count > 0) {

     if (isNext) {  

     isNext = false;     

  SendQuerySpeed (QueueList.Dequeue());    

  } 

    }             

   }             

    }       

 public static void SendQuerySpeed (UriPack site)   {  

  CurrentKey = site.Key;  

  CurrentUri = site.UriStr;

   var request = HttpWebRequest.Create (CurrentUri);

   request.Timeout=10000;

   request.BeginGetResponse (new AsyncCallback (requestCallBack), request);

     }

       /// <summary>

  /// 处理下载事件

  /// </summary>   

/// <param name="sender"></param>   

/// <param name="args"></param>   

static   void  requestCallBack (IAsyncResult ar)   {        

string tempstr="";        

var webRequest = (HttpWebRequest)ar.AsyncState;

   using(var webResponse = (HttpWebResponse)webRequest.EndGetResponse (ar))    {

          using(var stream = webResponse.GetResponseStream())     {       

 using(var sr=new StreamReader(stream))     {     

 tempstr=sr.ReadToEnd();           // time out!!

 }  

   }   

    }       

 DicRequest [CurrentKey] (tempstr, null);    

DicRequest.Remove (CurrentKey);      

  isNext = true;    

   }           

 }

[lydotnet · Accepted solution]

I find the reason, only the first request this error, request willsucceed next time