public M.MediaBusiness[] Get(long idBusiness)
        {
            var query = from MB in BD.MediaBusinesses
                        where (MB.IdBusiness.Equals(idBusiness))
                        select new { MB.Id, MB.FileName, MB.DownloadLink, MB.LoadDate };

            var lista = query.ToArray();

            M.MediaBusiness[] arrayMediaBusiness = new M.MediaBusiness[lista.Length];

            for (int i = 0; i < lista.Length; i++)
            {
                M.MediaBusiness temp = new M.MediaBusiness
                {
                    Id           = lista[i].Id,
                    FileName     = lista[i].FileName,
                    DownloadLink = lista[i].DownloadLink,
                    LoadDate     = lista[i].LoadDate
                };

                arrayMediaBusiness[i] = temp;
            }

            return(arrayMediaBusiness);
        }
        public long Post(M.MediaBusiness mediaBusiness)
        {
            O.MediaBusiness BDMediaBusiness = new O.MediaBusiness
            {
                FileName     = mediaBusiness.FileName,
                DownloadLink = mediaBusiness.DownloadLink,
                LoadDate     = System.DateTime.Now.ToString("g"),
                IdBusiness   = mediaBusiness.IdBusiness
            };

            BD.MediaBusinesses.Add(BDMediaBusiness);
            BD.SaveChanges();

            return(BDMediaBusiness.Id);
        }