Updating two updatepanels one after other

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Hi friends. . . . . I have two updatepanels in my aspx page. . . I want to update the updatepanel2 whenever the updatepanel1 get updated. . . . . Can anybody help me in this regard. . . .

Posted 22-Nov-12 4:17am

PRAKASH_N

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pradiprenushe · Answer 1 · 2012-11-22T20:04:00

Add trigger in second update panel for control from first update panel for which you want to update second update panel.
Try this solution with removing trigger & you will get idea.

XML

<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
    <ContentTemplate>
    <asp:Label ID="lbl1" runat="server" Text="lbl1"></asp:Label>
    <asp:Button ID="btn" runat="server" onclick="btn_Click" Text="Click" />
    </ContentTemplate>
    </asp:UpdatePanel>

    <asp:UpdatePanel ID="UpdatePanel2" runat="server" UpdateMode="Conditional">
    <Triggers>
    <asp:PostBackTrigger ControlID="btn" />
    </Triggers>
    <ContentTemplate>
    <asp:Label ID="lbl2" runat="server" Text="lbl2"></asp:Label>
    </ContentTemplate>
    </asp:UpdatePanel>

C#

protected void btn_Click(object sender, EventArgs e)
   {
       lbl1.Text = "change1";
       lbl2.Text = "change2";
   }