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PORefresh ASP.NET page using custom event
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2011-11-25T15:37:35.520
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2011-11-25T17:13:27.563
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I have created a List which generates a custom event based on Example 1 from this <a href="http://msdn.microsoft.com/en-us/library/aa645739%28v=vs.71%29.aspx" rel="nofollow">page</a>, and I need to update an aspx page whenever there are any new elements in the List. When I debug the application I can see that the value was updated, but nothing appears on the page. ASPX <pre><code> <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional" ChildrenAsTriggers="false"> <ContentTemplate> <fieldset> <legend>UpdatePanel</legend> <asp:Label ID="xpto" runat="server" Text="zzzzzzzzzzzz"></asp:Label> </fieldset> </ContentTemplate> </asp:UpdatePanel> </code></pre> Code Behind <pre><code>MessageHandling.DashboardRequests.Changed += new EventHandler(ListChanged); ... ... ... private void ListChanged(object sender, EventArgs e) { DateTime dt = DateTime.Now; xpto.Text = dt.ToString(); } </code></pre> EDIT: If I change the UpdateMode to Always and ListChanged method to: <pre><code>private void ListChanged(object sender, EventArgs e) { DateTime dt = DateTime.Now; xpto.Text = dt.ToString(); UpdatePanel1.Update(); } </code></pre> I get the following error: <pre><code>The Update method can only be called on UpdatePanel with ID 'UpdatePanel1' when UpdateMode is set to Conditional. </code></pre> And if I set the UpdateMode to Conditional nothing happens again. If I create a timer and add this method: <pre><code>protected void Timer1_Tick(object sender, EventArgs e) { DateTime dt = DateTime.Now; xpto.Text = dt.ToString(); } </code></pre> the xpto is updated in the timer method correctly
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<c#><asp.net><ajax><events>
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Refresh ASP.NET page using custom event
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