ASP.NET 3.5 and above only

ASP.NET TreeView - LoadOnDemand Support

To enable 'LoadOndemand' feature for a node, the node property, 'ExpandMode' should be set as 'ServerSideCallback'

  • Charles Madigen

    <obout:Tree ID="ObClassicTree" ClientObjectID="obTreeClientObj" DataSourceID="XmlDataSource1"
        EnableViewState="false" LoadingMessage="Refreshing..." CssClass="vista" runat="server" Width="200px">
            <obout:NodeBinding DataMember="employee" ExpandMode="ServerSideCallback" TextField="name"
                ImageUrl="~/obout.ajax.ui/treeview/examples/img/engineer-icon.png" />

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