C# (CSharp) ITrackService.FirstOrDefault示例

示例#1

文件： TracksController.cs 项目： heerhaan/FormulaSim

        public virtual async Task <IActionResult> Edit(int id, Track updatedObject)
        {
            updatedObject.Id = id;

            if (!ModelState.IsValid)
            {
                return(View("Modify", updatedObject));
            }

            if (await _tracks.FirstOrDefault(res => res.Id == id) is null)
            {
                return(NotFound());
            }

            _tracks.Update(updatedObject);
            await _tracks.SaveChangesAsync();

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