ObjectQuery<T>.OfType<TResultType> Method
Limits the query to only results of a specific type.
Namespace: System.Data.Objects
Assembly: System.Data.Entity (in System.Data.Entity.dll)
Type Parameters
- TResultType
The type of the ObjectResult<T> returned when the query is executed with the applied filter.
Return Value
Type: System.Data.Objects.ObjectQuery<TResultType>A new ObjectQuery<T> instance that is equivalent to the original instance with OFTYPE applied.
| Exception | Condition |
|---|---|
| EntitySqlException | The type specified is not valid. |
OfType<TResultType> is used to filter query results by a specific entity or complex type. This supports a conceptual model with object inheritance. For more information, see Entity Data Model Inheritance (Application Scenarios). The
OfType<TResultType> method can only be applied to an ObjectQuery<T> of an entity type or complex type that is defined in the EDM.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
