DbColumn.IsUnique Property

Definition

Namespace:

System.Data.Common

Assembly:

System.Data.Common.dll

Source:

DbColumn.cs

Gets a nullable boolean value that indicates whether a unique constraint applies to this column, or returns null if no value is set. Can be set to either true or false indicating whether a unique constraint applies to this column, or null (Nothing in Visual Basic) when overridden in a derived class.

public:  property Nullable<bool> IsUnique {  public:
Nullable<bool> get(); protected:
 void set(Nullable<bool> value); };

public bool? IsUnique { get; protected set; }

member this.IsUnique : Nullable<bool> with get, set

Public Property IsUnique As Nullable(Of Boolean)

Property Value

Nullable<Boolean>

Returns true if a unique constraint applies to this column; otherwise, false. If no value is set, returns a null reference (Nothing in Visual Basic).