protected void brt_Click(object sender, EventArgs e) { string aux; if (tx_rol.Text.Equals("") == false) { RolController r = new RolController(); r.RegistrarRol(tx_rol.Text); aux = "Operacion Exitosa"; } else { aux = "Error campos vacios"; } Response.Write("<script> alert('" + aux + "'); </script>"); }