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Ulises
105
Bind html table onNodeClick by AJAX
posted

Hi,

Right now I have a webtree that when the user press on some node, it displays a html table (text inside) with some details about the selected node. This is working but each node click is a post back. Now I'm trying to improve this and try to make it Ajax Calls.

My first thought was that just adding a WARP panel containing the table would be enough. But I don't get the results that I was looking for. Still post backs are happening. 

So my questions are:

What properties should I add/change to the webtree in order to make AJAX calls and not fully postbacks? 

In the Warp I just set TriggerControlIDs="MyUltraWebTreeID", but Do I need to set up another propety?  

Thanks in advance,

Ulises 

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  • 28464
    posted

    I believe the easiest way to proceed would be using asp:UpdatePanel and the built-in Triggers functionality. I have just tried the following code and everything was working as expected. 

        <asp:ScriptManager runat="server" ID="ScriptManager1"></asp:ScriptManager>   


        <ignav:UltraWebTree ID="UltraWebTree1" runat="server"
            onnodeclicked="UltraWebTree1_NodeClicked">
            <Levels>
                <ignav:Level Index="0" />
            </Levels>
            <Nodes>
                <ignav:Node Text="Root Node">
                    <Nodes>
                        <ignav:Node Text="Child Node">
                        </ignav:Node>
                        <ignav:Node Text="Child Node">
                        </ignav:Node>
                        <ignav:Node Text="Child Node">
                        </ignav:Node>
                    </Nodes>
                </ignav:Node>          
            </Nodes>
        </ignav:UltraWebTree>
       
        <br /><br />
       
        <asp:UpdatePanel runat="server" ID="UpdatePanel1">
            <ContentTemplate>
                <asp:Label ID="Label1" runat="server" Text="Default Value"></asp:Label>
            </ContentTemplate>
            <Triggers>
                <asp:AsyncPostBackTrigger ControlID="UltraWebTree1" EventName="NodeClicked" />
            </Triggers>
        </asp:UpdatePanel>
     

    Hope this helps. 

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