public async Task <ActionResult <DNDCategory> > PostDNDCategory(DNDCategory dNDCategory)
        {
            _context.DNDCategories.Add(dNDCategory);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetDNDCategory", new { id = dNDCategory.Id }, dNDCategory));
        }
        public async Task <IActionResult> PutDNDCategory(int id, DNDCategory dNDCategory)
        {
            if (id != dNDCategory.Id)
            {
                return(BadRequest());
            }

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

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

            return(NoContent());
        }