public async Task <IActionResult> PutEgradientChanges(long id, EgradientChanges egradientChanges)
        {
            if (id != egradientChanges.EgradientChangesId)
            {
                return(BadRequest());
            }

            _context.Entry(egradientChanges).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!EgradientChangesExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(NoContent());
        }
        public async Task <ActionResult <EgradientChanges> > PostEgradientChanges(EgradientChanges egradientChanges)
        {
            _context.EgradientChanges.Add(egradientChanges);
            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (EgradientChangesExists(egradientChanges.EgradientChangesId))
                {
                    return(Conflict());
                }
                else
                {
                    throw;
                }
            }

            return(CreatedAtAction("GetEgradientChanges", new { id = egradientChanges.EgradientChangesId }, egradientChanges));
        }