Retrieving Information from the User

Now that you have learned how to send data from the server to the client in Hour 4, “Sending Data to the User” it is time to learn about retrieving data that is sent from the client to the server by submitting a from.

Have you ever wondered how an inquiry to a search engine is handled by the browser or the server and how the data is transferred over the Internet using the Hypertext Transfer Protocol (HTTP)? These lessons provide some answer to these questions and enable you to handle inquiries to your sites by retrieving and evaluating user input.