Cascading Drop Down list saved in Table Level (Visual Studio LightSwitch)
                            
                         
                        
                     
                 
                
                    Hi...
     i need one help please reply me very Urgent. i am  using visual Studio LightSwitch 2011
I have using 3 Cascading Drop Down List Type, Manufacture and model. I want to save 3 drop down list in Equipment Information table 
 This is my Data Model : 
 
Type:
Id    Integer
TypeName      String
Manufactures  Manufacture Collection
EquipmentInfo    EquipmentInfo  Collection         
Manufacture:
Id        Integer
ManufatureName  String 
Model  Model Collection
EquipmentInfo  EquipmentInfo  Collection  
Model:
Id  Integer
ModelName  String
Manufatures  Manufactures
EquipmentInfo  EquipmentInfo  Collection 
EquipmentInfo:
Id  Integer
PlateNo        String
Type  Type
Manufactue  Manufactue
Model  Model