private void GetRecentActivity(int cid)
 {
     try
     {
         LINQ_CustDataContext db = new LINQ_CustDataContext();
         var rslts = db.GetRecentCustomerActivity(cid).ToList();
         GridRecentActivity.DataSource = rslts;
         GridRecentActivity.DataBind();
     }
     catch (Exception ex)
     {
         Database.WriteException("private void GetRecentActivity(int cid)",Page, HttpContext.Current, ex );
     }
 }