public IActionResult Get(int id)
        {
            try
            {
                var item = _context.Params.Find(id);

                if (item != null)
                {
                    ParamsVM obj = new ParamsVM()
                    {
                        ID           = item.ID,
                        CategoriesID = item.CategoriesID,
                        attrName     = item.Name
                    };

                    return(Ok(obj));
                }

                return(NotFound());
            }
            catch (Exception ex)
            {
                return(NotFound());
            }
        }
        public IActionResult Post(ParamsVM item)
        {
            try
            {
                int t = item.attrType == "many" ? 0 : 1;

                Params obj = new Params()
                {
                    CategoriesID = item.CategoriesID,
                    Name         = item.attrName,
                    Type         = (byte)t
                };

                _context.Params.Add(obj);
                _context.SaveChanges();

                return(Ok());
            }
            catch (Exception ex)
            {
                return(NotFound());
            }
        }