java.sql.SQLException :no value specified for parameter 6

Question

when press update button it shows:

"java.sql.SQLException:parameter out of range(1>number of parameters,which is 0)".

 private void updateActionPerformed(java.awt.event.ActionEvent evt) {                                               
        try{
        Class.forName("com.mysql.jdbc.Driver");
        Connection conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/smakdb","root","kisal400");    
        String sql="Update itemk set name=?,type=?, buying price=?, selling price=?,description=? where itemid=?";
        pst=conn.prepareStatement(sql);

        pst.setString(1, name2.getText());
            String value=type2.getSelectedItem().toString();
                pst.setString(2,value);
        pst.setDouble(3,Double.parseDouble(buying2.getText()));
        pst.setDouble(4,Double.parseDouble(selling2.getText()));
        pst.setString(5,descript2.getText());

        pst.executeUpdate();
        JOptionPane.showMessageDialog(null, "updated!!!");
        conn.close();

        }catch(Exception e){

             JOptionPane.showMessageDialog(null, e);
        }

Answer 1

You have 6 question mark in the query, why not set the 6th parameter value?

You need set itemid as well.

Answer 2

In String sql you have six parameters "?" and once set five parameters.