public ActionResult Delete(int id)
        {
            var vSuccess = true;
            var vErro = string.Empty;

            try
            {
                using (ctx)
                {
                    var srvCollege = new CollegeService(ctx);
                    var oCollege = srvCollege.Sigle(id);

                    vSuccess = srvCollege.DeleteAndSave(oCollege);
                }
            }
            catch (Exception ex)
            {
                vSuccess = false;
                vErro = "Ocorreu um erro durante a exclusão! " + ex.Message;
            }

            return Json(new { success = vSuccess, message = vErro });
        }