Source code:
. Aspx
1 <body>
2 <form id = "form1" runat = "server">
3 <div>
4 <asp: ScriptManager ID = "ScriptManager1" runat = "server">
5 </asp: ScriptManager>
6 <asp: UpdatePanel ID = "UpdatePanel1" runat = "server">
7 <ContentTemplate>
8 <asp: Label ID = "Label1" runat = "server" Text = "Label"> </asp: Label>
9 <asp: Button ID = "Button1" runat = "server" Text = "File Upload" onclick = "button#click"/>
10 </ContentTemplate>
11 </asp: UpdatePanel>
12 <asp: UpdateProgress ID = "UpdateProgress1" runat = "server" AssociatedUpdatePanelID = "UpdatePanel1">
13 <ProgressTemplate> uploading files... </ProgressTemplate>
14 </asp: UpdateProgress>
15 </div>
16 </form>
17 </body>
. Cs
1 public partial class _ Default: System. Web. UI. Page
2 {
3 protected void Page_Load (object sender, EventArgs e)
4 {
5
6}
7 protected void button#click (object sender, EventArgs e)
8 {
9 System. Threading. Thread. Sleep (5000 );
10 this. Label1.Text = "uploaded ";
11
12}
13}
From jory
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