Newbee,Having problem with submit button

Hi All,
I am very new to servlet.I am trying to delete record from my list which i am loading and showing from same servlet.It is compiling fine but when I press delete button it is not deleting the record.I don't know what's wrong with it? After delete happes i just want to see the list.
please somebody help me.
Here is my code:
public class Delete extends HttpServlet
private static final String title = "Delete Messages";
private int load_count = 0; // to verify reloading
private Exception initial_exception = null;
private Connection cx = null;
private ResourceBundle rb = null;
private String table = null;
private List messages = null;
public void init()
try {
rb = ResourceBundle.getBundle( "Settings" );
table = rb.getString("table");
Common.load_driver( rb );
catch (Exception x) { initial_exception = x; }
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
doGet(request,response);
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
HttpSession session = request.getSession();
response.setContentType("text/html");
PrintWriter out = response.getWriter();
if (initial_exception != null)
out.println(initial_exception);
return;
messages = (List) session.getAttribute( "messages" );
try {
if (cx == null || cx.isClosed())
     cx = Common.get_connection( rb );
if (messages == null)
     if (Common.DEBUG) System.out.println( "\n=> initial load of table" );
messages = Common.getTable( cx, table );
session.setAttribute( "messages", messages );
catch(Exception x) { out.println("FIRST" + x); return; }
out.println( "<html>"
          + "<head><title>" + title + "</title></head>"
          + "<body>"
          + Common.debug_display( request, load_count++ )
          + "<h3 align=center>"
          + title
          + "</h3>"
          + "<form action='..'>"
          + "<input type=submit value='top' />"
          + "</form>"
     String selected_index = request.getParameter("index");
     System.out.println("index=" + selected_index);
if (messages.size() == 0)
out.println( "<h4 style='color:red'>NO MESSAGES</h4>"
          +"</body></html>" );
return;
out.println( "<form>"
     + "<select name=index size=5 onchange='submit()'>\n"
     + Common.selection_list( messages, selected_index )
     + "</select>"
     + "</form>"
if (selected_index != null)
     Message m = null;
try {
m = (Message) messages.get(Integer.parseInt(selected_index));
catch(Exception x) { out.println("SECOND: " + x); return; }
out.println( "<table>\n"
+ "<tr valign=top>\n"
+ "<td align=right>Creation:</td>\n"
+ "<td>"
+ "<input type=text onfocus='blur()' size=30 value="
+ Common.sgml_quote(Message.time2str(m.getCreation()))
+ ">"
+ "</td>"
+ "</tr>"
+ "<tr valign=top>\n"
+ "<td align=right>Subject:</td>\n"
+ "<td>"
+ "<input type=text onfocus='blur()' size=50 value="
+ Common.sgml_quote(m.getSubject())
+ ">"
+ "</td>"
+ "</tr>"
+ "<tr valign=top>\n"
+ "<td align=right>Body:</td>\n"
+ "<td>"
+ "<textarea onfocus='blur()' cols=50 rows=10>"
+ m.getBody()
+ "</textarea>"
+ "</td>\n"
+ "</tr>"
+ "</table>\n"
+ "<input type=submit name='action1' value='Delete'>"
out.println( "</body></html>" );
if (request.getParameter("action1") != null)
Message m = null;
String subject = request.getParameter("subject");
String body = request.getParameter("body");
try {
String date = request.getParameter("creation");
System.out.println( "\n=> date" + m.getCreation() );
String sql_delete = "DELETE FROM" + messages + "WHERE creation = "+ Common.mysql_quote(m.getCreation());
Statement st = cx.createStatement();
st.executeUpdate( sql_delete );
messages.remove( selected_index);
session.setAttribute( "messages", messages );
catch(Exception x) { out.println("SECOND" + x); return; }
out.println( "<h4 style='color:red'>Message successfully deleted</h4>" );
subject = body = null;
out.println( "<html>"
+ "<head><title>" + title + "</title></head>"
+ "<body>"
+ Common.debug_display( request, load_count++ )
+ "<h3 align=center>"
+ title
+ "</h3>"
+ "<form action='..'>"
+ "<input type=submit value='top' />"
+ "</form>"

I don't understand very well your code because it has no organization. Try to put all your code between a tag that is the word code inside brackets, and close that tag at the end of your code.
For the code that I read, you're trying to get the parameters of a form that is in the same servlet. And the forms that you print didn't have an action. So, first of all, put an action on those forms, otherwise they will do noting, at least that you supply some javascript, which isn't the case. Later, don't think that you can call or continue the methods on a servlet just because you press a button which is printed in the same servlet.
Nevertheless, put that code into brackets and we will try to help you better.
Regards.

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