Hi 1.I have used the following code in winform databinding Dim OrderEntityCollection1 As new EntityCollection Me.OrderEntityCollection1.EntityFactoryToUse = New BusinessLayer.FactoryClasses.OrderEntityFactory

How I can get and iterate OrderEntityCollection's Orders and orderitems in code?are there like two related datatable in a dataset?

1. When I have an Order how I can get its in-memory OrderItem childs?

Regards

Behdad wrote:

Hi 1.I have used the following code in winform databinding Dim OrderEntityCollection1 As new EntityCollection Me.OrderEntityCollection1.EntityFactoryToUse = New BusinessLayer.FactoryClasses.OrderEntityFactory

How I can get and iterate OrderEntityCollection's Orders and orderitems in code?are there like two related datatable in a dataset?

For Each order As OrderEntity In OrderEntityColelction1
....
End 

(sorry Im not that clever in VB, but entitycollection is a simply enumerable of entities. For more information read Using entity collection classes

Behdad wrote:

1. When I have an Order how I can get its in-memory OrderItem childs?

Are you using SelfServicing or Adapter? You must use PrefetchPaths if you use Adapter, in SelfServicing that is on-demand but you can use PrefetchPaths as well. (read more).