Delete a row in Ms Access using java.

How to delete a row of a table in Ms Access which contains JTextFields, JComboboxes etc.. We have to delete it using java connectivity. I mentioned : try { String s; s=tmid.getText(); //Here tmid is JTextField which contains mid i.e. member id. I've made it primary key in table. String qry="Delete from sport where Mid = "+s+" "; //sport is the name of my table. smt.executeUpdate(qry); } catch(SQLException e) { System.out.println(e); } When I run this program it gives a SQLException and says "too few parameteres.". I took tmid as String . Plz help me.

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