DiagramNodesBuilder.ParentKeyExpr(String) Method

Specifies the name of a data source field or an expression that returns a parent node key for a node. Mirrors the client-side parentKeyExpr option.

Namespace: DevExtreme.AspNet.Mvc.Builders

Assembly: DevExtreme.AspNet.Core.dll

Declaration

public DiagramNodesBuilder ParentKeyExpr(
    string value
)

Parameters

Name	Type	Description
value	String	The option value.

Returns

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

Remarks

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

Razor C#

@(Html.DevExtreme().Diagram()
    .Nodes(nodes => nodes
        .ParentKeyExpr("MyExpr")
    )
)