public bool AddLabelInfo(long ParenDishId)
{
ItemLabelInfo l = new ItemLabelInfo()
{
ParenItemId = ParenDishId, SerialNumber = ItemLabelsInfo.Where(a => a.ParenItemId == ParenDishId).Count() + 1
};
var res = DBDataExtractor <ItemLabelInfo> .AddItem(DBProvider.Client.CreateItemLabelInfo, l);
if (res > 0)
{
l.Id = res;
ItemLabelsInfo.Add(l);
Dishes.SingleOrDefault(a => a.Id == ParenDishId).LabelsCount++;
return(true);
}
return(false);
}