public empleadoDatos() { cnx = new SqlConnection(miConex.getConex()); }
public PagosDatos() { cnx = new SqlConnection(miConex.getConex()); }
public ConceptoDatos() { cnx = new SqlConnection(miConex.getConex()); }
public NivelesDatos() { cnx = new SqlConnection(miConex.getConex()); }
public MatriculaDatos() { cnx = new SqlConnection(miConex.getConex()); }
public AlumnoDatos() { cnx = new SqlConnection(miConex.getConex()); }
public CatalogoDatos() { cnx = new SqlConnection(miConex.getConex()); }