ObjectQuery<T>.OfType<TResultType> Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Limits the query to only results of a specific type.
public:
generic <typename TResultType>
System::Data::Objects::ObjectQuery<TResultType> ^ OfType();
public System.Data.Objects.ObjectQuery<TResultType> OfType<TResultType> ();
member this.OfType : unit -> System.Data.Objects.ObjectQuery<'ResultType>
Public Function OfType(Of TResultType) () As ObjectQuery(Of TResultType)
Type Parameters
- TResultType
The type of the ObjectResult<T> returned when the query is executed with the applied filter.
Returns
A new ObjectQuery<T> instance that is equivalent to the original instance with OFTYPE applied.
Exceptions
The type specified is not valid.
Remarks
OfType 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.
The OfType method can only be applied to an ObjectQuery<T> of an entity type or complex type that is defined in the EDM.
Applies to
See also
Σχόλια
https://aka.ms/ContentUserFeedback.
Σύντομα διαθέσιμα: Καθ' όλη τη διάρκεια του 2024 θα καταργήσουμε σταδιακά τα ζητήματα GitHub ως μηχανισμό ανάδρασης για το περιεχόμενο και θα το αντικαταστήσουμε με ένα νέο σύστημα ανάδρασης. Για περισσότερες πληροφορίες, ανατρέξτε στο θέμα:Υποβολή και προβολή σχολίων για