LinqServerModeDataSourceSelectEventArgs.KeyExpression Property

Gets or sets the key expression.

Assembly : DevExpress.Web.v25.2.dll

Declaration

C#
VB.NET

csharp

public string KeyExpression { get; set; }

Public Property KeyExpression As String

Property Value

Type	Description
String

Specifies the name of the key property.

Remarks

Example

The following example illustrates how to use the KeyExpression property.

csharp

protected void EntityServerModeDataSource1_Selecting(object sender, DevExpress.Data.Linq.LinqServerModeDataSourceSelectEventArgs e) {
    var db = new YourDataContext();
    e.KeyExpression = "ID_FIELD_FROM_YOUR_TABLE";
    e.QueryableSource = db.Products;
    //or
    e.QueryableSource = db.Products.Where(p=>p.Price > 10);
    //or other linq query
}