Question on delete button

Hi, to all i am new to Core java and swings concepts.

I have problem in swings button .

Actually in my application i created one button called DELETE .

i am posted my code help me regarding this topic .

    [ int choice = JOptionPane.showConfirmDialog(this,"r u sure
want to delete?","Information",JOptionPane.YES_NO_OPTION);

          if(choice==JOptionPane.YES_OPTION)
          {
    pstmtdel=con.prepareStatement("delete from ICLASS where Sno='"+Sno
+"'");
                                    pstmdel.executeUpdate();

JOptionPane.showMessageDialogthis,"Record
Deleted","Information",JOptionPane.INFORMATION_MESSAGE);
         }

        else
        if(choice==JOptionPane.NO_OPTION)
        {
                                    JOptionPane.showMessageDialog(this,"Record Not
Deleted","Information",JOptionPane.INFORMATION_MESSAGE);
       }

pstmtdel.executeUpdate();

Now my problem is when i pressing button deleting record even though
when i press NO option.

Now requirement is when i press yes option it's have to delete the
record or if i press no option don't delete record .

Help me Regarding this topic

Thanks in advance