HTML multipart form is not working in jsp page

Question

Hi
i have jsp page, has a HTML from with file upload field , when i click the send button , nothing happened as if the button did not submit the form. ie the message at line 12 is not printed out.
can any one help please.
<%@ page errorPage="..\error\error.jsp" %>
<%@ page pageEncoding="windows-1256" %>
<%@ page language="java" import="javazoom.upload.*,java.util.*,java.sql.ResultSet" %>
<jsp:useBean id="upBean" scope="page" class="javazoom.upload.UploadBean" >
  <jsp:setProperty name="upBean" property="folderstore" value="<%=request.getRealPath("thuraya//uploads")%>"  />
</jsp:useBean>
<jsp:useBean id="dbc" class="mypackage.DBConnection" scope="session" />
<!-- add news-->
<%
if(request.getParameter("addBTN") != null){
        out.println("addbtn");
        //do upload file + insert in database
         if (MultipartFormDataRequest.isMultipartFormData(request))
         // Uses MultipartFormDataRequest to parse the HTTP request.
         MultipartFormDataRequest mrequest = new MultipartFormDataRequest(request);
         String todo = null;
         if (mrequest != null) todo = mrequest.getParameter("todo");
             if ( (todo != null) && (todo.equalsIgnoreCase("upload")) )
                Hashtable files = mrequest.getFiles();
                if ( (files != null) && (!files.isEmpty()) )
                    UploadFile file = (UploadFile) files.get("filename");
                    if (file != null)
                                        out.println("<li>Form field : uploadfile"+"<BR> Uploaded file : "+file.getFileName()+" ("+file.getFileSize()+" bytes)"+"<BR> Content Type : "+file.getContentType());
                                        String fileName=file.getFileName();
                                        String ran=System.currentTimeMillis()+"";
                                        String ext=fileName.substring(   ( fileName.length()-4),fileName.length() );
                                        file.setFileName(ran+ext);
                    // Uses the bean now to store specified by jsp:setProperty at the top.
                    upBean.store(mrequest, "filename");
                                        String title=request.getParameter("title");
                                        String content=request.getParameter("elm1");
                                        int x=dbc.addNews(title,content,file.getFileName(),2,1);
                                        if(x==1)
                                                 out.print("New Vedio has been addedd Successfully");
                                                  response.setHeader("Refresh","1;URL=uploadVedio.jsp");
                                                 else{
                                                  out.print("An Error Occured while adding new Vedio");
                                                  response.setHeader("Refresh","1;URL=uploadVedio.jsp");
                else
                  out.println("<li>No uploaded files");
         else out.println("<BR> todo="+todo);
%>
<!-- end of add news-->
<form action="" method="post" enctype="multipart/form-data" name="upform" >
  <table width="99%" border="0" align="center" cellpadding="1" cellspacing="1">
    <tr>
      <td colspan="2" align="right" bgcolor="#EAEAEA" class="borderdTable"><p>'6'A) .(1 ,/J/</p></td>
    </tr>
    <tr>
      <td width="87%" align="right"><label>
        <input name="title" type="text" class="rightText" id="title">
      </label></td>
      <td width="13%" align="right">9FH'F 'D.(1</td>
    </tr>
    <tr>
      <td align="right"><textarea name="elm1" cols="50" rows="10" id="elm1" style="direction:rtl" >
          </textarea></td>
      <td align="right">*A'5JD 'D.(1</td>
    </tr>
    <tr>
      <td align="right"><label>
        <input type="file" name="filename" id="filename">
      </label></td>
      <td align="right">5H1)</td>
    </tr>
    <tr>
      <td align="right"><label>
        <input onClick="submit()" name="addBTN" type="button" class="btn" id="addBTN" value="  '6'A) .(1 ">
      </label></td>
      <td align="right"> </td>
    </tr>
  </table>
</form>
<!-- TinyMCE -->
<script type="text/javascript" src="jscripts/tiny_mce/tiny_mce.js"></script>
<script type="text/javascript">
        tinyMCE.init({
                mode : "textareas",
                theme : "simple",
                directionality : "rtl"
</script>
<!--end of TinyMCE -->

Answer 1

the problem is not because of java code insdie jsp page
I have removed all things but the form and it is still not working
here is the modified code:
<!-- add news-->
<%
if(request.getParameter("addBTN") != null){
        out.print("addBTN");
%>
<!-- end of add news-->
<form action="" method="post" enctype="multipart/form-data" name="upform" >
  <table width="99%" border="0" align="center" cellpadding="1" cellspacing="1">
    <tr>
      <td colspan="2" align="right" bgcolor="#EAEAEA" class="borderdTable"><p>'6'A) .(1 ,/J/</p></td>
    </tr>
    <tr>
      <td width="87%" align="right"><label>
        <input name="title" type="text" class="rightText" id="title">
      </label></td>
      <td width="13%" align="right">9FH'F 'D.(1</td>
    </tr>
    <tr>
      <td align="right"><textarea name="elm1" cols="50" rows="10" id="elm1" style="direction:rtl" >
          </textarea></td>
      <td align="right">*A'5JD 'D.(1</td>
    </tr>
    <tr>
      <td align="right"><label>
        <input type="file" name="filename" id="filename">
      </label></td>
      <td align="right">5H1)</td>
    </tr>
    <tr>
      <td align="right"><label>
        <input name="addBTN" type="submit" class="btn" id="addBTN" value="  '6'A) .(1 ">
      </label></td>
      <td align="right"> </td>
    </tr>
  </table>
</form>
<!-- TinyMCE -->
<script type="text/javascript" src="jscripts/tiny_mce/tiny_mce.js"></script>
<script type="text/javascript">
        tinyMCE.init({
                mode : "textareas",
                theme : "simple",
                directionality : "rtl"
</script>
<!--end of TinyMCE -->