コード例 #1
0
        public async Task <IActionResult> Create([Bind("Id,Name")] Category category)
        {
            if (ModelState.IsValid)
            {
                _context.Add(category);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            return(View(category));
        }
コード例 #2
0
        public async Task <IActionResult> Create([Bind("Id,Name,Description,Weight,Price,WholesalePrice,Image,CategoryId,Archived,SoldOut,Quantity,Date")] Item item, IFormFile file)
        {
            if (ModelState.IsValid)
            {
                item.Date = DateTime.Now.ToString();
                if (item.Name.Length > 19)
                {
                    item.ShortName = item.Name.Substring(19);
                }
                else
                {
                    item.ShortName = item.Name;
                }
                _context.Add(item);
                await _context.SaveChangesAsync();

                if (file != null || file.Length != 0)
                {
                    // Create a File Info
                    FileInfo fi = new FileInfo(file.FileName);

                    // This code creates a unique file name to prevent duplications
                    // stored at the file location
                    var newFilename = item.Id + "_" + String.Format("{0:d}",
                                                                    (DateTime.Now.Ticks / 10) % 100000000) + fi.Extension;
                    var webPath = _hostingEnvironment.WebRootPath;
                    var path    = Path.Combine("", webPath + @"\ImageFiles\" + newFilename);

                    // IMPORTANT: The pathToSave variable will be save on the column in the database
                    var pathToSave = @"/ImageFiles/" + newFilename;

                    // This stream the physical file to the allocate wwwroot/ImageFiles folder
                    using (var stream = new FileStream(path, FileMode.Create))
                    {
                        await file.CopyToAsync(stream);
                    }

                    // This save the path to the record
                    item.ImagePath = pathToSave;
                    _context.Update(item);
                    await _context.SaveChangesAsync();
                }
                return(RedirectToAction(nameof(Index)));
            }
            ViewData["CategoryId"] = new SelectList(_context.Set <Category>(), "Id", "Name", item.CategoryId);
            return(View(item));
        }