private void PrecioFocusLost(java.awt.event.FocusEvent evt) { // GEN-FIRST:event_PrecioFocusLost // TODO add your handling code here: try { if (!(Precio.getText().equals(""))) { double x = parseDouble(Precio.getText()); } } catch (NumberFormatException e) { this.getToolkit().beep(); JOptionPane.showMessageDialog( null, "Solo se pueden insertar numeros decimales", "Solo Numeros Decimales", JOptionPane.ERROR_MESSAGE, null); Precio.requestFocus(); Precio.selectAll(); } } // GEN-LAST:event_PrecioFocusLost