Modify or delete record via WEB

hi,
I've just created a simple jsp page that connect to a database and get data from it. Here no problem.
Then I modified the code in order to modify the records in the database. Also here no problem.
Then I've add a second link that allow me a second choice: delete the record.
Here the scheme of the page I'm receiving as soon I try to get the data from the database
Name | last name | job | Telephone | Modify | delete | <- header
david | Wall | eng| 7777 | Modify | <HTML>
<%@ page language="java" import= "java.sql.*" %>
<HEAD>
<%
Connection con=null;
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con=DriverManager.getConnection("jdbc:odbc:Agenda_ODBC");
catch (ClassNotFoundException e){
System.out.println("Impossible load the driver: "+ e);
%>
<TABLE BORDER="1">
<TD>Name</TD>
<TD>lastname</TD>
<TD>job</TD>
<TD>Telephone</TD>
<TD>Modify</TD>
<TD>delete</TD>
</TR>
<%
try{
Statement st = con.createStatement();
ResultSet rs = st.executeQuery("select * from anagrafica");
while(rs.next()){
%>
<TR>
<TD><%=rs.getString(2)%></TD>
<TD><%=rs.getString(3)%></TD>
<TD><%=rs.getString(4)%></TD>
<TD><%=rs.getString(5)%></TD>
<TD><a href="modify.jsp?ID=<%=rs.getString(1)%>">Modify</a></TD>
<TD><a href="delete.jsp?ID=<%=rs.getString(1)%>">delete</a></TD>
</TR>
<%
rs.close();
st.close();
con.close();
catch (SQLException e){
System.out.println("Errore SQL: "+ e);
%>
</TABLE>
</BODY>
</HTML>

and the question is ?

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