Chapter 2 Interacting with the Customer

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Presentation transcript:

Chapter 2 Interacting with the Customer Objectives Use of Response Object. Use of Request Object.

Response Object Is an Built-in ASP object. Used to send dynamic content from an ASP page. i.e represents information sent from web server to web browser. Method Used: Write – used to o/p values of functions, variables or string literals. End – used to stop execution of a script.

Request Object Represents all content sent from the web browser to a web server. Collections: Query string collection. Form collection ServerVariables collection Cookies collection.

1. Using Query string: Query string is the portion of the URL that appears after a question mark. Ex: http://search.yahoo.com/bin/search?p=active+server+page It is used to pass information to server from browser.

2. Form Collection Is an In-Built Asp object. HTML forms are used to enable customer to register at your web site / or to accept credit card information. To retrieve information from such forms we use form collection of request object.

3. Servervariables Collection Contain assortment of variables that represent browser headers 7 properties of the web server. Servervaribles collection used to determine: Name of current asp page. Last page customer visited . IP address Browser type.

Retrieve Name of current asp page Variables used are: SCRIPT_Name – Virtual Path PATH_TRANSLATED – Physical path. MapPath() – to translate virtual path to physical path.

Retrieve Name of last page visited: Used to return the value of the browser REFERER header. Older browsers do not support this variable. Used as “HTTP_REFERER”. Retrieving customer’s IP Address & Browser Type: IP Address - Variable used is “REMOTE_ADDR”. Browser type–HTTP_USER_AGENT.