Table<TEntity>.DeleteAllOnSubmit<TSubEntity> Method
Puts all entities from the collection into a pending delete state.
Namespace: System.Data.Linq
Assembly: System.Data.Linq (in System.Data.Linq.dll)
public void DeleteAllOnSubmit<TSubEntity>( IEnumerable<TSubEntity> entities ) where TSubEntity : TEntity
Type Parameters
- TSubEntity
The type of the elements to delete.
Parameters
- entities
- Type: System.Collections.Generic.IEnumerable<TSubEntity>
The entities to delete.
Entities that are put into the pending delete state with this method do not disappear from query results until after SubmitChanges is called. Disconnected entities must be attached before they can be deleted. For more information, see Data Retrieval and CUD Operations in N-Tier Applications (LINQ to SQL).
The following C# snippet shows one use for this method:
IEnumerable<Customer> customersWithoutOrders = (from c in db.Customers where c.Orders.Count == 0 select c).ToList(); db.Customers.DeleteAllOnSubmit(customersWithoutOrders); db.SubmitChanges();
In Visual Basic:
Dim customersWithoutOrders As IEnumerable(Of Customer) = (From c In db.Customers _
Where c.Orders.Count = 0 _
Select c).ToList()
db.Customers.DeleteAllOnSubmit(customersWithoutOrders)
db.SubmitChanges()
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
