public string Post(grocsell obj)
        {
            var ob = _context.grocitems.Where(x => x.GrocId == obj.GrocId).FirstOrDefault();

            if (ob != null)
            {
                _context.grocsells.Add(obj);
                _context.SaveChanges();
                return("Congrats!Successfully added");
            }
            else
            {
                return("Sorry,the grocery item is not present in main table");
            }
        }
 public string Post(grocitem obj)
 {
     _context.grocitems.Add(obj);
     _context.SaveChanges();
     return("Congrats!Successfully added");
 }