EntityReference<TEntity>.CreateSourceQuery Method
Definition
Important
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Creates an equivalent object query that returns the related object.
public:
System::Data::Objects::ObjectQuery<TEntity> ^ CreateSourceQuery();public System.Data.Objects.ObjectQuery<TEntity> CreateSourceQuery();override this.CreateSourceQuery : unit -> System.Data.Objects.ObjectQuery<'Entity (requires 'Entity : null and 'Entity :> System.Data.Objects.DataClasses.IEntityWithRelationships)>override this.CreateSourceQuery : unit -> System.Data.Objects.ObjectQuery<'Entity (requires 'Entity : null)>Public Function CreateSourceQuery () As ObjectQuery(Of TEntity)An ObjectQuery<T> that returns the related object.
When the object is in an Added state.
-or-
When the object is in a Detached state with a MergeOption other than NoTracking.
This method is used to obtain a new instance of ObjectQuery<T> that, when it is executed, returns the related object. This is useful as the starting point for a more complex join, union, or filtered query, or to return the referenced object in a detached state using the NoTracking option.
Applies to
| Product | Versions |
|---|---|
| .NET Framework | 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
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