TreeViewBuilder.ExpandedExpr(JS) Method

Specifies which data source field specifies whether an item is expanded. Mirrors the client-side expandedExpr option.

Namespace : DevExtreme.AspNet.Mvc.Builders

Assembly : DevExtreme.AspNet.Core.dll

Declaration

csharp

public TreeViewBuilder ExpandedExpr(
    JS value
)

Name	Type	Description
value	JS

A JavaScript expression that specifies the option value.

Type	Description
TreeViewBuilder

A reference to this instance after the method is called.

Use the new JS() expression to set the option’s value.

cshtml

<script>
    var myValue = ...;
</script>

@(Html.DevExtreme().TreeView()
    .ExpandedExpr(new JS("myValue"))
)