public async Task <IActionResult> Create([Bind("MaterialName,Id")]  BLL.App.DTO.Material material)
        {
            if (ModelState.IsValid)
            {
                await _bll.Material.AddAsync(material);

                await _bll.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            return(View(material));
        }
        public async Task <IActionResult> Edit(int id, [Bind("MaterialName,Id")]  BLL.App.DTO.Material material)
        {
            if (id != material.Id)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                _bll.Material.Update(material);
                await _bll.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            return(View(material));
        }