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.
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()