IndexedAttribute.Unique Property

Gets or sets whether the index created by a property or field is a unique one.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v19.1.dll

Declaration

C#

public bool Unique { get; set; }

VB.NET

Public Property Unique As Boolean

Property Value

Type	Description
Boolean	true if the index must be unique (no two persistent objects are permitted to have the same index value); otherwise, false.

Remarks

C#

public class User : XPObject {
    [Indexed(Unique = true)]
    public int UserId;

    public string UserName;
}

VB.NET

Public Class User
    Inherits XPObject
    <Indexed(Unique:=True)> _
    Public UserId As Integer

    Public UserName As String
End Class