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LinqServerModeSource.KeyExpression Property

corelibraries-devexpress-dot-data-dot-linq-dot-linqservermodesource.md

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LinqServerModeSource.KeyExpression Property

Gets or sets the key expression.

Namespace : DevExpress.Data.Linq

Assembly : DevExpress.Data.v25.2.dll

NuGet Package : DevExpress.Data

Declaration

csharp
[DefaultValue("")]
public string KeyExpression { get; set; }
vb
<DefaultValue("")>
Public Property KeyExpression As String

Property Value

TypeDefaultDescription
StringString.Empty

A String value that specifies the key expression.

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Remarks

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

csharp
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 “.

See Also

LinqServerModeSource Class

LinqServerModeSource Members

DevExpress.Data.Linq Namespace