ColumnAttribute.IsDiscriminator Property
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Gets or sets whether a column contains a discriminator value for a LINQ to SQL inheritance hierarchy.
Namespace: System.Data.Linq.Mapping
Assembly: System.Data.Linq (in System.Data.Linq.dll)
Syntax
'Declaration
Public Property IsDiscriminator As Boolean
public bool IsDiscriminator { get; set; }
Property Value
Type: System.Boolean
Default = false.
Remarks
When true, this property identifies the class member as holding the discriminator value for an inheritance hierarchy.
You can set this property to true for no more than one member, which must belong to the topmost mapped class in the hierarchy.
| Topic | Location |
|---|---|
| How to: Map Inheritance Hierarchies (LINQ to SQL) | LINQ to SQL |
| How to: Map Inheritance Hierarchies (LINQ to SQL) | LINQ to SQL |
Version Information
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.