Controller Methods:

Controller Methods:
1) Process request(http get) 2) process form request (http post)3) process form data(http post )

1) Process request(http get):a) while loading the page to display default items we will use process request b) this phase is invoked upon browser http get.

 2) process form request (http post): a)After Loading the page performs any actions will use process form request b)this phase is invoked upon browser http post .

3) Process form data: if exceptions are thrown during this phase process requests or process form request phases are skipped & the page is re displayed ( error page).

Overview of the Controller

• Overview of the Controller:
 1) Controller responds to the user actions .

2) the controller will request from http get and http post .

3)when you create the controller one sub class is going to generate ( path:oracle.apps.fnd.framework.webui.OAcontrollerImpl)

4) all the controller objects end with CO •

**Http get-when page opens the default data loads Vs Http Post :After page opens **