C# (CSharp) IDataAccessLayer.AlbumExists示例

示例#1

        public async Task <IActionResult> PutAlbum(int id, Album album)
        {
            if (id != album.Id)
            {
                return(BadRequest());
            }

            try
            {
                await _dataAccessLayer.UpdateAlbum(album);
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!_dataAccessLayer.AlbumExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(NoContent());
        }