InstantFeedbackDataSourceBase.KeyExpression Property

Specifies the name of the key property.

Namespace: DevExpress.Xpf.Core.ServerMode

Assembly: DevExpress.Xpf.Core.v20.2.dll

NuGet Packages: DevExpress.WindowsDesktop.Wpf.Core, DevExpress.Wpf.Core

Declaration

C#

public string KeyExpression { get; set; }

VB.NET

Public Property KeyExpression As String

Property Value

Type	Description
String	A String value that specifies the key property name.

Remarks

Basically, the KeyExpression property specifies the name of the property mapped to the primary key column in the database.

You can modify the KeyExpression property value within the InstantFeedbackDataSourceBase.GetQueryable event handler, via the KeyExpression property.