submitting form data using request.Method = "POST"

Hi

I have a requirement to submit form data to a url after collecting the data from the database.
For example I need to send firstname and lastname through a post method I can call on the fly.

This is the traditional route below , I want to emulate this submit action from a vb.class using request.method="post"
<FORM action="http://somesite.com/prog/adduser" method="post">
First name: <INPUT type="text" name="firstname">
Last name: <INPUT type="text" name="lastname">
email: <INPUT type="text" name="email">
<INPUT type="submit" value="Send"> <INPUT type="reset">
</FORM>


clear as mud?
Anyone have any tips ?