public string BLL_PhanQuyen(DangNhapPublic login)
 {
     try
     {
         DangNhapDAL clsDAL = new DangNhapDAL();
         string      txt    = clsDAL.DAL_DangNhap_Select(login).Rows[0][2].ToString();
         return(txt);
     }
     catch
     { }
     return("");
 }
        public bool BLL_DangNhap_Select(DangNhapPublic login)
        {
            bool blKey = false;

            try
            {
                DangNhapDAL clsDAL = new DangNhapDAL();
                int         intRow = clsDAL.DAL_DangNhap_Select(login).Rows.Count;
                if (intRow != 0)
                {
                    blKey = true;
                }
            }
            catch
            {
            }
            return(blKey);
        }