DiagramEdgeMappingInfo.ToKey Property

Specifies the name of a data source field that provides an edge’s end node key.

Namespace: DevExpress.Web.ASPxDiagram

Assembly: DevExpress.Web.ASPxDiagram.v23.2.dll

NuGet Package: DevExpress.Web

Declaration

C#

[DefaultValue("ToID")]
public string ToKey { get; set; }

VB.NET

<DefaultValue("ToID")>
Public Property ToKey As String

Property Value

Type	Default	Description
String	"ToID"	The field name.

Remarks

Tip

Use the ToKey property to change the end node of an edge after it is bound to a data source (in the EdgeDataBound event).

Online Demo

Diagram - Data Binding

Example

ASPX

<dx:ASPxDiagram ID="Diagram" runat="server" Width="100%" Height="600px" Units="Px"
    NodeDataSourceID="FlowNodeDemoDataSource" EdgeDataSourceID="FlowEdgeDemoDataSource" >
    <SettingsAutoLayout Type="Layered" Orientation="Vertical" />
    <Mappings>
        <Node Key="ID" Type="Type" Width="Width" Height="Height" Left="Left" Locked="Locked" Style="Style" 
        Text="Text" TextStyle="TextStyle" Top="Top" ZIndex="ZIndex"/>
        <Edge Key="ID" FromKey="FromID" ToKey="ToID" Text="Text" FromLineEnd="StartTip" FromPointIndex="StartPoint" 
        LineType="Type" Locked="Locked" Style="Style" TextStyle="TextStyle" ToLineEnd="EndTip" 
        ToPointIndex= "EndPoint" ZIndex="ZIndex"/>
    </Mappings>
</dx:ASPxDiagram>