Table<TEntity>::DeleteAllOnSubmit<TSubEntity> Method (IEnumerable<TSubEntity>^)

 

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:
generic<typename TSubEntity>
where TSubEntity : TEntity
void DeleteAllOnSubmit(
	IEnumerable<TSubEntity>^ entities
)

Parameters

entities
Type: System.Collections.Generic::IEnumerable<TSubEntity>^

The entities to delete.

Type Parameters

TSubEntity

The type of the elements 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()

.NET Framework
Available since 3.5
Windows Phone Silverlight
Available since 7.1
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