DeleteAllOnSubmit(TSubEntity) Method

Table(Of TEntity).DeleteAllOnSubmit(Of TSubEntity) Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Puts all entities from the collection into a pending delete state.

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

'Declaration
Public Sub DeleteAllOnSubmit(Of TSubEntity As TEntity) ( _
	entities As IEnumerable(Of TSubEntity) _
)

Type Parameters

TSubEntity

The type of the elements to delete.

Parameters

entities
Type: System.Collections.Generic.IEnumerable(Of 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.

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 Phone OS

Supported in: 8.1, 8.0

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