A very important coding method to understand when developing ASP pages is the page that submits to itself. This technique is very powerful and can drastically reduce the number of files you have to maintain and the number of places in which you need to make changes when maintaining code. The concept is simple. Using forms, set the action value to the URL of the page in which the form resides. Then use ASP code to determine what the current state of the page, and present the proper output to the user.

ASPRSS has a subscription service that automatically submits articles to all the ASP directories out there. This article shows how the data is submitted to their forms using the IP*Works! WebForm component.

This is an extensive article that describes form validation technique to help the user submit correct information.

Select boxes must often communicate with one another (i.e., a Child select object's option values depend on the value selected in the Parent object). This tutorial details how to create a hierarchy of select objects using ASP, SQL, ADO, and JavaScript.