| NOTE: This is an example of
doing "Server-side Validation".
<%
@ Language="JavaScript"
%>
<HTML>
<HEAD><TITLE>Form
Sample</TITLE></HEAD>
<BODY>
<H3>Form Sample</H3>
<HR>
<%
// CONTENT_LENGTH
will only be greater than 0
// if we
Submitted a Form using the POST
Method.
// If this is
the case then display the results
// Else
Display the Form for the User to fill out.
if (Request.ServerVariables("CONTENT_LENGTH")
== 0) {
%>
This sample shows how to use the Request collection to get
information from a posted form.
<FORM METHOD="POST"
ACTION="form.asp">
Your Name: <INPUT
TYPE="TEXT"
NAME="name">
Movies that you like: (you may select more than
one)
<SELECT
NAME="movies"
MULTIPLE SIZE="3">
<OPTION
VALUE="Star Wars">Star
Wars</OPTION>
<OPTION
VALUE="Antz">Antz</OPTION>
<OPTION
VALUE="Gone with the Wind">Gone
with the Wind</OPTION>
</SELECT>
Why do you like the movies you've selected?
<TEXTAREA
NAME="describe"></TEXTAREA>
<INPUT
TYPE="Submit"
NAME="Submit Form">
<INPUT
TYPE="Reset"
NAME="Reset Form">
</FORM>
<%
}
else {
if (Request("name")
== "") { // if the name field is
empty notify the user
%>
You did not provide your name.
<%
}
else { // if the
name field isn't empty then write their name
%>
Your name is <B><%
= Request("name")
%></B>
<%
}
%>
<%
// because
the Select Object is set to Multiple the User can choose 1, 2, or 3
items
// Count
is a property of the Request when Multiple items can be selected, ie,
checkboxes
// if the Count
equals 0 we know that the User didn't select any movies
if (Request("movies").Count
== 0) {
%>
You did not select any movies.
<%
}
else {
%>
The movies you like are: <B><%
= Request("movies") %></B>
<%
//
if the User didn't give a reason why he/she liked the movie(s) then
notify the User
if (Request("describe")
== "") {
%>
You did not say why you like the movie(s) you have selected.
<%
}
else {
%>
Your description of why you like the movie(s) is:
NOTE: if the User gave a reason why he/she liked the movie(s)
then write this out
<I><B><%
= Request("describe")
%></B></I>
<%
}
%>
<%
}
%>
<%
}
%>
</BODY>
</HTML> |
