private List <Sigesoft.Node.WinClient.BE.PacientList> GetData(int pintPageIndex, int pintPageSize, string pstrSortExpression, string pstrFilterExpression)
        {
            OperationResult objOperationResult = new OperationResult();
            List <Sigesoft.Node.WinClient.BE.PacientList> objUserList = _objPacientBL.GetPacientsPagedAndFiltered(ref objOperationResult, pintPageIndex, pintPageSize, txtUserNameFilter.Text);

            if (objOperationResult.Success != 1)
            {
                Alert.ShowInTop("Error en operación:" + System.Environment.NewLine + objOperationResult.ExceptionMessage);
            }


            return(objUserList);
        }