public void actualizar()
{
conn = Globals.connector;
aux = new MySqlDataAdapter("select tarifa.id,tarifa.convenio_id,convenio.nombre,tarifa.descripcion,tarifa.monto from boletera.convenio join boletera.tarifa where convenio.id = tarifa.convenio_id", conn.Conn);
DataSet DS = new DataSet();
aux.Fill(DS);
tabla_tar.DataSource = DS.Tables[0];
}
admin_tarifas(string cu, MySQLConnector con)
{
//
// The InitializeComponent() call is required for Windows Forms designer support.
//
currentUser = cu;
conn = con;
InitializeComponent();
actualizar();
//
// TODO: Add constructor code after the InitializeComponent() call.
//
}