private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) { System.out.println("NAVEEN"); int row=jTable2.getSelectedRow(); System.out.println(""+row); String t1=(jTable2.getModel().getValueAt(row, 0).toString()); System.out.println(""+t1); String name = (jTable2.getModel().getValueAt(row, 1).toString()); System.out.println(name); String mail = (jTable2.getModel().getValueAt(row, 2).toString()); String add = (jTable2.getModel().getValueAt(row, 3).toString()); System.out.println(add); String pass = (jTable2.getModel().getValueAt(row, 4).toString()); System.out.println(pass); try{ Class.forName("com.mysql.jdbc.Driver"); java.sql.Connection con=DriverManager.getConnection("jdbc:mysql://localhost:3305/naveen","root","root"); String query = "update jtable set name=?,mail=?,address=?,passw