public JsonResult Edit(AboutUs us)
 {
     var res = false;
     if (us.Id == null || us.Id == Guid.Empty.ToSafeTrim())
     {
         us.Id = Guid.NewGuid().ToSafeTrim();
         res = new BaseService().Insert<AboutUs>(us);
     }
     else
         res = new BaseService().Update<AboutUs>(us);
     return Json(new { res = res });
 }
 public model.AboutUs Get()
 {
     var sql = "select * from [AboutUs]";
     var us = new model.AboutUs();
     using (var sReader = SqlDBHelper.ExecuteReader(sql))
     {
         while (sReader.Read())
         {
             us.Id = sReader["Id"].ToString();
             us.Cont = sReader["Cont"].ToString();
         }
     }
     return us;
 }