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Table<TEntity>.AttachAll<TSubEntity> Method (IEnumerable<TSubEntity>)

Attaches all entities of a collection to the DataContext in either a modified or unmodified state.

Namespace:  System.Data.Linq
Assembly:  System.Data.Linq (in System.Data.Linq.dll)

public void AttachAll<TSubEntity>(
	IEnumerable<TSubEntity> entities
)
where TSubEntity : TEntity

Type Parameters

TSubEntity

The type of entities to attach.

Parameters

entities
Type: System.Collections.Generic.IEnumerable<TSubEntity>
The collection of entities.

This method attaches all entities of a collection to a new DataContext. 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.

For more information, see Data Retrieval and CUD Operations in N-Tier Applications (LINQ to SQL).

.NET Framework

Supported in: 4, 3.5

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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