DiagramNodesBuilder.KeyExpr(JS) Method

Specifies the name of a data source field or an expression that returns node keys. Mirrors the client-side keyExpr option.

Namespace: DevExtreme.AspNet.Mvc.Builders

Assembly: DevExtreme.AspNet.Core.dll

Declaration

public DiagramNodesBuilder KeyExpr(
    JS value
)

Parameters

Name	Type	Description
value	JS	A JavaScript expression that specifies the option value.

Returns

Type	Description
DiagramNodesBuilder	A reference to this instance after the method is called.

Remarks

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

Razor C#

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

@(Html.DevExtreme().Diagram()
    .Nodes(nodes => nodes
        .KeyExpr(new JS("myValue"))
    )
)