private int GetTotalCount()
        {
            OperationResult objOperationResult  = new OperationResult();
            string          strFilterExpression = "i_IsDeleted=0";

            if (Session["strFilterExpression"] != null)
            {
                var ss = Convert.ToString(Session["strFilterExpression"]);
                if (ss.Length > 0)
                {
                    strFilterExpression += "&&" + ss;
                }
            }

            return(_objPacientBL.GetPacientes(ref objOperationResult, strFilterExpression));
        }