ASP Tutorial
ASP HOME ASP Introduction ASP Install ASP Syntax ASP Variables ASP Procedures ASP Forms ASP Cookies ASP Session ASP Application ASP #include ASP Global.asa ASP Send e-mailASP Objects
ASP Response ASP Request ASP Application ASP Session ASP Server ASP Error ASP FileSystem ASP TextStream ASP Drive ASP File ASP Folder ASP Dictionary ASP ADOASP Components
ASP AdRotator ASP BrowserCap ASP Content Linking ASP Content RotatorASP and AJAX
AJAX Intro AJAX ASP AJAX DatabaseASP Summary
ASP Quick Ref ASP SummaryASP Examples
ASP Examples ASP Quiz ASP CertificateASP Forms and User Input
The Request.QueryString and Request.Form commands are used to retrieve user input from forms.
Try it Yourself - Examples
A form with method="get"
How to interact with the user, with the Request.QueryString command.
A form with method="post"
How to interact with the user, with the Request.Form command.
A form with radio buttons
How to interact with the user, through radio buttons, with the Request.Form command.
User Input
The Request object can be used to retrieve user information from forms.
Example HTML form
<form method="get" action="simpleform.asp">
First Name: <input type="text" name="fname"><br>
Last Name: <input type="text" name="lname"><br><br>
<input type="submit" value="Submit">
</form>
First Name: <input type="text" name="fname"><br>
Last Name: <input type="text" name="lname"><br><br>
<input type="submit" value="Submit">
</form>
User input can be retrieved with the Request.QueryString or Request.Form command.
Request.QueryString
The Request.QueryString command is used to collect values in a form with method="get".
Information sent from a form with the GET method is visible to everyone (it will be displayed in the browser's address bar) and has limits on the amount of information to send.
If a user typed "Bill" and "Gates" in the HTML form above, the URL sent to the server would look like this:
http://www.w3schools.com/simpleform.asp?fname=Bill&lname=Gates
Assume that "simpleform.asp" contains the following ASP script:
<body>
Welcome
<%
response.write(request.querystring("fname"))
response.write(" " & request.querystring("lname"))
%>
</body>
Welcome
<%
response.write(request.querystring("fname"))
response.write(" " & request.querystring("lname"))
%>
</body>
The browser will display the following in the body of the document:
Welcome Bill Gates
Request.Form
The Request.Form command is used to collect values in a form with method="post".
Information sent from a form with the POST method is invisible to others and has no limits on the amount of information to send.
If a user typed "Bill" and "Gates" in the HTML form above, the URL sent to the server would look like this:
http://www.w3schools.com/simpleform.asp
Assume that "simpleform.asp" contains the following ASP script:
<body>
Welcome
<%
response.write(request.form("fname"))
response.write(" " & request.form("lname"))
%>
</body>
Welcome
<%
response.write(request.form("fname"))
response.write(" " & request.form("lname"))
%>
</body>
The browser will display the following in the body of the document:
Welcome Bill Gates
Form Validation
User input should be validated on the browser whenever possible (by client scripts). Browser validation is faster and reduces the server load.
You should consider server validation if the user input will be inserted into a database. A good way to validate a form on the server is to post the form to itself, instead of jumping to a different page. The user will then get the error messages on the same page as the form. This makes it easier to discover the error.
W3Schools' Online Certification
The perfect solution for professionals who need to balance work, family, and career building.
More than 10 000 certificates already issued!
The HTML Certificate documents your knowledge of HTML.
The HTML5 Certificate documents your knowledge of advanced HTML5.
The CSS Certificate documents your knowledge of advanced CSS.
The JavaScript Certificate documents your knowledge of JavaScript and HTML DOM.
The jQuery Certificate documents your knowledge of jQuery.
The XML Certificate documents your knowledge of XML, XML DOM and XSLT.
The ASP Certificate documents your knowledge of ASP, SQL, and ADO.
The PHP Certificate documents your knowledge of PHP and SQL (MySQL).
Your suggestion:
Close [X]
Thank You For Helping Us!
Your message has been sent to W3Schools.
Close [X]
