RelatedEnd.ValidateLoad<TEntity>(MergeOption, String) Method
Definition
Important
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Ensures that the related object or objects can be successfully loaded into the local collection or reference.
protected:
generic <typename TEntity>
System::Data::Objects::ObjectQuery<TEntity> ^ ValidateLoad(System::Data::Objects::MergeOption mergeOption, System::String ^ relatedEndName);protected System.Data.Objects.ObjectQuery<TEntity> ValidateLoad<TEntity> (System.Data.Objects.MergeOption mergeOption, string relatedEndName);member this.ValidateLoad : System.Data.Objects.MergeOption * string -> System.Data.Objects.ObjectQuery<'Entity>Protected Function ValidateLoad(Of TEntity) (mergeOption As MergeOption, relatedEndName As String) As ObjectQuery(Of TEntity)Type Parameters
- TEntity
The type of the object to validate.
Parameters
- mergeOption
- MergeOption
The MergeOption to use when merging objects into an existing EntityCollection<TEntity>.
- relatedEndName
- String
The name of the related end.
Returns
An ObjectQuery<T> that is used to load the object or objects at the related end.
Exceptions
When the source object was retrieved by using a NoTracking query and the MergeOption is not NoTracking or the related objects are already loaded.
-or-
When the source object is not attached to the ObjectContext.
-or-
When the source object is being tracked but is in the Added or Deleted state or the MergeOption used for Load is NoTracking.
Remarks
Object Services obtains the ObjectQuery<T> by calling the IRelatedEnd.CreateSourceQuery method.
Object Services calls the ValidateLoad<TEntity> method before executing a load operation to ensure that the operation will succeed.
