1

我嘗試在azure blob存儲上上傳圖片,而且我很難完成它。下面使用HttpWebRequest時Silverlight 5插件崩潰或請求已被刪除

我'使用的代碼上傳:

public static void Upload(this Stream payLoad, string uri) 
     { 
      var webRequest = (HttpWebRequest)WebRequestCreator.ClientHttp.Create(new Uri(uri)); 
      webRequest.Method = "PUT"; 
      webRequest.ContentLength = payLoad.Length; 

      var state = new HttpWebRequestAsyncState<Stream>() { HttpWebRequest = webRequest, PayLoad = payLoad }; 

      Task.Factory.FromAsync<Stream>(
       webRequest.BeginGetRequestStream, 
       webRequest.EndGetRequestStream, state) 
       .ContinueWith(t1 => 
       { 
        var asyncState1 = (HttpWebRequestAsyncState<Stream>)t1.AsyncState; 

        using (var requestStream = t1.Result) 
        { 
         int bytesRead = 0; 
         byte[] buffer = new Byte[4096]; 
         while ((bytesRead = asyncState1.PayLoad.Read(buffer, 0, buffer.Length)) != 0) 
         { 
          requestStream.Write(buffer, 0, bytesRead); 
          requestStream.Flush(); 
         } 
        } 

        Task.Factory.FromAsync<WebResponse>(
         asyncState1.HttpWebRequest.BeginGetResponse, 
         asyncState1.HttpWebRequest.EndGetResponse, 
         asyncState1) 
         .ContinueWith(t2 => 
         { 
          var asyncState2 = (HttpWebRequestAsyncState<Stream>)t2.AsyncState; 
          if (asyncState2.PayLoad != null) 
          { 
           asyncState2.PayLoad.Close(); 
          } 

          using (var responce = t2.Result) 
          { 
           if (responce != null) responce.Close(); 
          } 
         }); 
       }); 
     } 

當我將DEVELOPPEMENT機器上運行的代碼(在vmware使用Windows 2008 R2 64位),我得到一個插件崩潰,當我打電話說,循環,沒有我可以在我的關卡使用的信息。

當我在我的個人窗口上運行這個代碼時,Windows 7終極64位上傳了一些文件,並且沒有在fiddler中擁有狀態:會話被客戶端,Fiddler或服務器中止。

調用這個代碼是:

private void FileUploadButton_Click(object sender, RoutedEventArgs e) 
     { 
      OpenFileDialog ofd = new OpenFileDialog() { Multiselect = true, Filter = "Image files (*.jpg)|*.jpg" }; 

      if (ofd.ShowDialog() != true) return; 

      foreach (var file in ofd.Files) 
      { 
       string uri = "http://xxxx.blob.core.windows.net/test/" + file.Name + "?sr=c&si=dev&sig=%2FIKx1NhY8FzgYge7XXXXXXXXXXXXXXXXXXX"; 
       file.OpenRead().Upload(uri); 
      } 
     } 

是否有人看到我在做錯了嗎?

預先感謝您

+0

我收到以下錯誤 System.Net.WebException:[HttpWebRequest_WebException_RemoteServer] 參數:NotFound 調試資源字符串不可用。關鍵和論據常常提供足夠的信息來診斷問題。請參閱http://go.microsoft.com/fwlink/?linkid=106663&Version=5.0.61118.0&File=System.Windows.dll&Key=HttpWebRequest_WebException_RemoteServer at System.Net.Browser.ClientHttpWebRequest.EndGetResponse(IAsyncResult asyncResult) at System.Func '2。在System.Threading.Tasks.TaskFactory'1.FromAsyncCoreLogic(IAsyncResult ... – 2012-02-21 13:21:43

+0

)調用(T arg) 當文件超過800K時,似乎發生,我嘗試使用圖像3-5meg,我得到Not Found 可能是Silverlight報告爲Not Found的一種情況? – 2012-02-21 16:04:38

回答

0

這個問題似乎與卡巴斯基互聯網安全有關。當禁用它時,它可以工作。