LinqServerModeSource.KeyExpression Property

Gets or sets the key expression.

Namespace: DevExpress.Data.Linq

Assembly: DevExpress.Data.v24.2.dll

Declaration

C#

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

VB.NET

<DefaultValue("")>
Public Property KeyExpression As String

Property Value

Type	Default	Description
String	String.Empty	A String value that specifies the key expression.

Remarks

In most instances, the KeyExpression property specifies the key field name:

C#

linqServerModeSource1.KeyExpression = "CustomerID";

To specify multiple columns of a composite key, pass the comma-separated or semicolon separated list of key column names to this property. For instance: “KeyPart1;KeyPart2;KeyPart3“.