Pro C# 2010 and the .NET 4 Platform, Fifth Edition

32.12. Interacting with the Incoming HTTP Request

As you saw earlier in this chapter, the basic flow of a web application begins with a client requesting a web page, possibly filling in user information, and clicking a "Submit button" to post back the HTML form data to a given web page for processing. In most cases, the opening tag of the form statement specifies an action attribute and a method attribute that indicates the file on the web server that will be sent the data in the various HTML widgets, as well as the method of sending this data (GET or POST):

<form name="defaultPage" id="defaultPage"
      action="http://localhost/Cars/ClassicAspPage.asp" method = "GET">
...
</form>

All ASP.NET pages support the System.Web.UI.Page.Request property, ...