Problem in java swing application with JcomboBox

HI,

I m developing an application using Java Swing on Netbeans using Java DB

In which i want to create a form using Jtextfields & JComboBox

I already added data in the JcomboBox to select

I already create a database and table for this application

Now i want to insert the data in Jtextfield and selection of Jcombobox to insert into the table i designed for it

Kindly help me out how to link the form with the table and insert the data of form in table.

Regards

Akbar Ali