2013-03-23 109 views
0

由于某种原因更新面板不更新标签或图像文件...任何帮助,将不胜感激。该方法正在调用并正在进行文件上传。AJAX更新面板不工作

ASP:

<asp:UpdatePanel runat="server" UpdateMode="Conditional" ID="UpdateTest"> 
      <ContentTemplate> 
       <asp:Label ID ="lblTemp" runat="server">test</asp:Label> 
       <asp:AsyncFileUpload ID="ImageUpload" runat="server" OnUploadedComplete="ImageUpload_UploadedComplete" /> 

       <label>Image</label><br /> 
       <div style="height:60px; padding-bottom:10px; padding-top:5px; "> 
       <div style="width:55px; float:left;margin-right:10px;"> 
        <asp:Image src="../images/menu_bkg.gif" ID="smallImage" runat="server" Height="60" Width="60" /> 
       </div> 
      </ContentTemplate> 
     </asp:UpdatePanel> 

C#:

protected void ImageUpload_UploadedComplete(object sender, AjaxControlToolkit.AsyncFileUploadEventArgs e) 
{ 
    string filename = System.IO.Path.GetFileName(ImageUpload.FileName); 
    ImageUpload.SaveAs(Server.MapPath("../Uploads/") + filename); 
    smallImage.ImageUrl = "../uploads/" + filename; 
    lblTemp.Text = "hellllo"; 

    UpdateTest.Update(); 
} 

编辑:

我一直在运行更多的测试,它似乎像也许是与AsyncFileUpload的问题。我在UpdatePanel中放置了一个按钮,并更改了图像URL和标签文本。标签文本块完美地工作,但是当update()函数被调用时,它将清除asyncfileupload干净。看来也许lbltemp和smallImage不能更新?

回答