public DesignTimeSupplierInsertViewModel()
 {
     ViewData = new SupplierInsertViewData()
     {
         SupplierName = "Johhny",
         City = "Odense",
         Email = "even revan can do it",
         TelephoneNumber = "0040 745 156 514",
     };
 }
 public void InsertSupplier(SupplierInsertViewData data)
 {
     Supplier sup = new Supplier()
     {
         SupplierName = data.SupplierName,
         City = data.City,
         Email = data.Email,
         TelephoneNumber = data.TelephoneNumber,
     };
     supRep.InsertAction(sup);
     context_db.SaveChanges();
     Messenger.NotifyColleagues(MessageTypes.MSG_SUPPLIER_INSERTED, data);
 }