Thanks in advance for any help offered.

I am trying to fill out a form on a web page and submit the form data to the
web server , all from within my vb program.

The html sorce ( reduced for this post is)

<FORM ACTION="a_valid_url.cfm" METHOD="POST">
<BR>
    <P>Trend
        <SELECT NAME="trend_id">
            <OPTION VALUE="ALL;ALL">ALL
            <OPTION VALUE="FIRST;abc">First
            <OPTION VALUE="SECOND;abc">Second
        </SELECT>
    <P>
    <TABLE WIDTH=400>
    <TR ALIGN=CENTER><TD>Month
        <SELECT NAME="month">
                                       <OPTION VALUE="ALL" SELECTED>ALL
                                       <OPTION VALUE="1">Jan
                                       <OPTION VALUE="2">Feb
                                 </SELECT>
                                 </TD>
<TD>Day
          <SELECT NAME="DAY">
            <OPTION VALUE="ALL">ALL
            <OPTION VALUE="1">1
            <OPTION VALUE="2">2       
            </SELECT>
</TD>
    </TR>
</TABLE>
    <P><INPUT TYPE="submit" VALUE="Search">
</FORM>

In my vb program I set up a HttpWebRequest as follows.
I have no experience with HTML or Jscript. Limited experience with VB.

I want to submit a trend_id of "FIRST" with "ALL" months and "ALL" days from
my vb prog.

       Dim STE As String = "http://www.another_valid_url"

       Dim m_cred As New NetworkCredential("username", "password")
       Dim m_Cache As New CredentialCache()

       m_Cache.Add(New Uri(STE), "Basic", m_cred)
       m_Cache.Add(New Uri(STE), "Digest", m_cred)
       m_Cache.Add(New Uri(STE), "NTLM", m_cred)
       m_Cache.Add(New Uri(STE), "Kerberos", m_cred)

       Dim mm_req As HttpWebRequest = CType(WebRequest.Create(STE),
HttpWebRequest)

       mm_req.Credentials = m_Cache

       Dim srch As String

       srch = "I'm not sure what goes here??"
       Dim qq() As Byte = Encoding.ASCII.GetBytes(srch)
       mm_req.Method = "POST"
       mm_req.ContentLength = qq.Length
       mm_req.Timeout = 60000

       Dim req_stream As Stream = mm_req.GetRequestStream
       req_stream.Write(qq, 0, qq.Length)
       req_stream.Close()

       Dim mm_resp As HttpWebResponse = CType(mm_req.GetResponse(),
HttpWebResponse)

       Dim readStream As New StreamReader(mm_resp.GetResponseStream,
Encoding.ASCII)
       Dim ch As String = readStream.ReadToEnd
       ...
       ...
       readStream.Close()
       mm_resp.Close()

I have tried various ways of constructing 'srch' but I keep getting back the
unfilled form. The server doesnt proceed to the url in the Action field of
the form. The username & password are correct.

Thanks anyone