TreeListBuilder<T>.KeyExpr(String) Method

Specifies the key property (or properties) that provide(s) key values to access data items. Each key value must be unique. Mirrors the client-side keyExpr option.

Namespace : DevExtreme.AspNet.Mvc.Builders

Assembly : DevExtreme.AspNet.Core.dll

Declaration

csharp

public TreeListBuilder<T> KeyExpr(
    string value
)

Parameters

Name	Type	Description
value	String

The option value.

Returns

Type	Description
TreeListBuilder<T>

A reference to this instance after the method is called.

Remarks

Use the following notation to set the option’s value:

Razor C#

cshtml

@(Html.DevExtreme().TreeList()
    .KeyExpr("MyExpr")
)