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Tree - Load on Demand

This sample demonstrates the load-on-demand capabilities of the tree control by configuring the ASP.NET MVC helper.

This sample is designed for a larger screen size.

On mobile, try rotating your screen, view full size, or email to another device.

Load-on-demand ensures that only data requested by the user is loaded into the control.

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@using Infragistics.Web.Mvc
@using IgniteUI.SamplesBrowser.Models

@model IEnumerable<IgniteUI.SamplesBrowser.Models.Northwind.Category>

<!DOCTYPE html>

<html>
<head>
    <title></title>

    <!-- Ignite UI for jQuery Required Combined CSS Files -->
    <link href="http://cdn-na.infragistics.com/igniteui/2024.2/latest/css/themes/infragistics/infragistics.theme.css" rel="stylesheet" />
    <link href="http://cdn-na.infragistics.com/igniteui/2024.2/latest/css/structure/infragistics.css" rel="stylesheet" />

    <script src="http://ajax.aspnetcdn.com/ajax/modernizr/modernizr-2.8.3.js"></script>
    <script src="http://code.jquery.com/jquery-1.11.3.min.js"></script>
    <script src="http://code.jquery.com/ui/1.11.1/jquery-ui.min.js"></script>

    <!-- Ignite UI for jQuery Required Combined JavaScript Files -->
    <script src="http://cdn-na.infragistics.com/igniteui/2024.2/latest/js/infragistics.core.js"></script>
    <script src="http://cdn-na.infragistics.com/igniteui/2024.2/latest/js/infragistics.lob.js"></script>

</head>
<body>

    @(Html.Infragistics().Tree()
        .DataSource(Model)
        .Bindings(b => 
            b.TextKey("CategoryName")
            .PrimaryKey("ID")
            .ValueKey("ID")
            .ChildDataProperty("Products")
            .Bindings(b2 =>
                b2.TextKey("ProductName")
                .PrimaryKey("ID")
                .ValueKey("ID")
            )
        )
        .DataSource(Model)
        .LoadOnDemand(true)
        .DataSourceUrl(Url.Action("tree-data-on-demand"))
        .DataBind()
        .Render()
    )

</body>
</html>