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How to get async callback instead of full page postback
posted

I have a drop down list to choose which chart to display.

When I choose a chart - the whole page is rerendered instead of just my warp!?

How to achieve that just warp refreshes? Any idea?

  <asp:DropDownList ID="ddl_ChartNames" runat="server" AutoPostBack="True" />
            <igmisc:WebAsyncRefreshPanel ID="WebAsyncRefreshPanel1" runat="server" TriggerControlIDs="ddl_ChartNames" RefreshTargetIDs="chart_Main" >
                <igchart:UltraChart ID="chart_Main" runat="server" Visible="false" Width="100%">
                </igchart:UltraChart>
            </igmisc:WebAsyncRefreshPanel>

 

 

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  • 813
    posted

    put that dropdown inside warp like this and it should be fine.

     

                <igmisc:WebAsyncRefreshPanel ID="WebAsyncRefreshPanel1" runat="server" TriggerControlIDs="ddl_ChartNames" RefreshTargetIDs="chart_Main" >

                     <asp:DropDownList ID="ddl_ChartNames" runat="server" AutoPostBack="True" />
                    <igchart:UltraChart ID="chart_Main" runat="server" Visible="false" Width="100%">
                    </igchart:UltraChart>
                </igmisc:WebAsyncRefreshPanel>

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