public Boolean AddItemPrice(Int32 id, Decimal price) {
     ItemPrice query = new ItemPrice();
     try {
         using (menuzRusDataContext db = new menuzRusDataContext(base.connectionString)) {
             query.Price = price;
             query.ItemId = id;
             db.ItemPrices.InsertOnSubmit(query);
             db.SubmitChanges();
         }
     }
     catch (Exception ex) {
         return false;
     }
     return true;
 }
		private void detach_ItemPrices(ItemPrice entity)
		{
			this.SendPropertyChanging();
			entity.Item = null;
		}
		private void attach_ItemPrices(ItemPrice entity)
		{
			this.SendPropertyChanging();
			entity.Item = this;
		}
 partial void DeleteItemPrice(ItemPrice instance);
 partial void UpdateItemPrice(ItemPrice instance);
 partial void InsertItemPrice(ItemPrice instance);