Table(Of TEntity).AttachAll(Of TSubEntity) Method (IEnumerable(Of TSubEntity), Boolean)
Attaches all entities of a collection to the DataContext in either a modified or unmodified state.
Assembly: System.Data.Linq (in System.Data.Linq.dll)
'Declaration Public Sub AttachAll(Of TSubEntity As TEntity) ( _ entities As IEnumerable(Of TSubEntity), _ asModified As Boolean _ )
The type of entities to attach.
This method attaches all entities of a collection to the DataContext in either a modified or unmodified state. If attaching as modified, the entity must either declare a version member or must not participate in update conflict checking. If attaching as unmodified, the entity is assumed to represent the original value. After calling this method, the entity's fields can be modified with other information from the client before SubmitChanges is called.
When a new entity is attached, deferred loaders for any child collections (for example, EntitySet collections of entities from associated tables) are initialized. When SubmitChanges is called, members of the child collections are put into an Unmodified state. To update members of a child collection, you must explicitly call Attach and specify that entity.
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