DropDownButtonBuilder.KeyExpr(String) Method

Specifies which data field provides keys used to distinguish between the selected drop-down menu items. Mirrors the client-side keyExpr option.

Namespace : DevExtreme.AspNet.Mvc.Builders

Assembly : DevExtreme.AspNet.Core.dll

Declaration

csharp

public DropDownButtonBuilder KeyExpr(
    string value
)

Name	Type	Description
value	String

The option value.

Type	Description
DropDownButtonBuilder

A reference to this instance after the method is called.

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

cshtml

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