Passing Data Using Forms
Another method for passing data from
template to template involves sending the data via the HTTP Post
method as form-field data. When you create an HTML form that posts to
another ColdFusion template, each form field is automatically
available as a form variable within the template specified in the
action attribute of the form
tag. Within the receiving template, each form field can be referenced
by prefixing the field name with form, as in
form.
MyField. To see
just how this works, let’s look at an example. The
contactform.cfm template, shown in Example 3-6, creates a simple HTML form that collects
basic contact information and posts it to the
displaycontactinfo.cfm template, shown in Example 3-7.
Example 3-6. Template for collecting and posting contact information
<html> <head> <title>Passing Variables via Form Fields</title> </head> <body> <h2>Employee Contact Information</h2> <form action="displaycontactinfo.cfm" method="post"> <table> <tr> <td>Name:</td> <td><input type="text" name="Name" size="25" maxlength="50"></td> </tr> <tr> <td>Title:</td> <td><input type="text" name="Title" size="25" maxlength="50"></td> </tr> <tr> <td>Department:</td> <td><input type="text" name="Department" size="25" maxlength="50"></td> </tr> <tr> <td>E-mail:</td> <td><input type="text" name="Email" size="25" maxlength="255"></td> </tr> <tr> <td>Phone Ext.:</td> <td><input type="text" name="PhoneExt" size="6" maxlength="4"></td> </tr> <tr> <td colspan="2"><input type="submit" ...
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