private void txtProyecto_KeyPress(object sender, KeyPressEventArgs e) { validar.soloNumeros(e); }
private void txtCreditos_KeyPress(object sender, KeyPressEventArgs e) { validar.soloNumeros(e); }
private void txtTarjeta_KeyPress(object sender, KeyPressEventArgs e) { validar.soloNumeros(e); }
private void txtBuscarPersona_KeyPress(object sender, KeyPressEventArgs e) { validar.soloNumeros(e); }