CommandEventArgs contain CommandName & CommandArgument Properties

Button by default behaves as Submit button, but if we provide CommandName then itbehaves as CommandButton

CommandButton raises CommandEvent . It will be useful when u want to pass event related info to event handler

Features Of webServer Contorls:-
  • Intrinsic Events Eg. Button has intrinsic events of click and command
But Datagrid has 9 intrinsic events

Event ArgumentsAll Events in .Net framework passes 2 arguments.
1.Object that raised event
2.Object that contains event specific info.
If Event doesn't have event specific info then it passes System.EventArgs by default.

Otherwise it passes EventSpecific data such as ImageClickEventArgs which is derived from System.EventArgs
  • AutoPostback
It causes Immidiate Postback as a result of click event of Button Control

  • BubbledEvents

All the events raised at child level are bubbled up to parent level eg. Datagrid

  • SmartNavigation:-

1. Persisit Element Focus & Navigation Position
2. Avoid Page Flash
3. Doesn't save each postback in browser history

Intrinsic Objects to access Web Application Framework

1. HttpRequest à Page.Request
2. HttpResponse
3. HttpServerUtility
4. HttpApplicationState
5. HttpSessionState

Global.asax file has
Global class --> HttpApplication
Global.asax file is automatically created for WebApplication project

-Handle event not specific to web form but application.

U can have
Application
Session
Pre-request

In Cookie u can store upto 4k in old browsers while up to 8k in new ones.

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