public void getPistasXML() { try { Controllers.SubirPistaController obsubirPistaController = new Controllers.SubirPistaController(); var lstclsPistas = obsubirPistaController.getPistasXMLController(); if (lstclsPistas != null) { gvwDatos.DataSource = lstclsPistas; } else { gvwDatos.DataSource = null; } gvwDatos.DataBind(); } catch (Exception ex) { ClientScript.RegisterStartupScript(this.GetType(), "Mensaje", "<script>alert('" + ex.Message + "')</script>"); } }