c# - Explicitly load related entities in many-to-many relationship with Entity Framework over WCF -
 i'm using ef 4.1 self-tracking entities in layered application uses wcf hand entities , forth client server.  a portion of database contains 3 tables:  customer contact customercontacts  customercontacts  contains 2 primary keys of customer  , contact , edm represents navigation properties - customer.contacts  , contacts.customers . customercontacts  table not represented otherwise in model, meaning there no customercontacts  entity, understand , expect feature of edm designer when representing many-to-many relationships of form.  the situation have list of customer s bound combobox  , wish load related contact s of customer  @ point when selected in combobox . put way, wish explicilty load customer.contacts  when customer  selected in combobox . can't use customer.id  in where  fetch list of contacts , since there no join entity in model relates them.  currently, loading copy of customer , using include("contacts")  contact s , setting via selectedcustomer.contacts ...