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ObjectContext.CreateObjectSet(Of TEntity) Method (String)

.NET Framework 4.6 and 4.5

Creates a new ObjectSet(Of TEntity) instance that is used to query, add, modify, and delete objects of the specified type and with the specified entity set name.

Namespace:  System.Data.Objects
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

Public Function CreateObjectSet(Of TEntity As Class) ( _
	entitySetName As String _
) As ObjectSet(Of TEntity)

Type Parameters


Entity type of the requested ObjectSet(Of TEntity).


Type: System.String

Name of the entity set for the returned ObjectSet(Of TEntity). The string must be qualified by the default container name if the DefaultContainerName property is not set on the ObjectContext.

Return Value

Type: System.Data.Objects.ObjectSet(Of TEntity)
The new ObjectSet(Of TEntity) instance.


The EntitySet from entitySetName does not match the EntitySet of the object’s EntityKey.


The DefaultContainerName property is not set on the ObjectContext and the name is not qualified as part of the entitySetName parameter.


The specified type belongs to more than one entity set.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4
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