Upload file in asp, AJAX
<p>where error? if i dont use ajax, then form is valid, and file is uploading, but now page reload and...file not load in path, why?</p>

<p>
        </p>

<pre><code>    &lt;asp:UpdatePanel ID="UpdatePanel1" runat="server"&gt;
    &lt;ContentTemplate&gt;
    &lt;p&gt;

       &lt;asp:FileUpload ID="FileUpload1" runat="server" /&gt;
        &amp;nbsp;&lt;asp:Button ID="Button1" runat="server" onclick="Upload" Text="downdoad..." 
        BackColor="#0099CC" Font-Size="Small" /&gt;
    &lt;/p&gt;
    &lt;/ContentTemplate&gt;
    &lt;/asp:UpdatePanel&gt;
    &lt;asp:UpdateProgress ID="UpdateProgress1" runat="server"&gt;
        &lt;ProgressTemplate&gt;
            downdoad...
        &lt;/ProgressTemplate&gt;
    &lt;/asp:UpdateProgress&gt;
</code></pre>
