Refresh a jTable

Question

I can\'t seem to get my table to refresh. I created a refresh button that calls jTable1.repaint();

private void jButton8ActionPerformed(java.awt.eve         


        

Answer 1

Neither

jTable1.repaint();

or

RegistryValues.arp(null);

will actually refresh the table with new values. For this you need to either update the current table model or set a new model but in your ActionListener.

As you're using DefaultTableModel, which is mutable, you could create an update helper method for the model.

Something like:

DefaultTableModel model = (DefaultTableModel) table.getModel();
model.setValueAt(RegistryValues.arp(null), 0, 1);
// set more row data, etc.

Note: You could save the model as a class member variable and eliminate the need for casting.