DiagramNodeMappingInfo.ParentKey Property
Specifies the name of a data source field that provides a parent node key for a node.
Namespace: DevExpress.Web.ASPxDiagram
Assembly: DevExpress.Web.ASPxDiagram.v24.2.dll
NuGet Package: DevExpress.Web
#Declaration
#Property Value
Type | Default | Description |
---|---|---|
String | String. |
The field name. |
#Remarks
Specify the ParentKey property if your diagram has tree-like structure, and nodes are connected by Id - Parent Id relation. For more information, review the following topic: Self-Referenced Data Structure
Tip
Use the Parent
<dx:ASPxDiagram ID="Diagram" runat="server" Width="100%" Height="600px" NodeDataSourceID="DepartmentDemoDataSource" >
<Mappings>
<Node Key="ID" Text="DepartmentName" ParentKey="ParentID" />
</Mappings>
</dx:ASPxDiagram>
]