stupid or not?

I use php4.0pl2 (win32)+ IIS 5.0 as CGI but i have a problem that i don't know how to solve it. The problem is: mycode (input.html) ------------------------------------------------------ <form action="post.php" method="get"> <input type="text" name="appz"> <input name="enter" type="submit" value="OK"> </form> ------------------------------------------------------ (post.php) ------------------------------------------------------ <?php echo "Value = $appz "; ?> ------------------------------------------------------ When i entered appz="linux" the result is: ----------- Value = ----------- i don't know why it shown "blank". and i see the url = post.php?appz=linux&enter=enter how can i solve it? Please let me know. Thank you very much W.Pinyoyang