Navigation

	Home Page
	Index
	All Pages

Contributor Links

	Create a new Page
	Administration
	File Management
	Login/Logout
	Your Profile

Other Wiki Sections

Software

Life Cycle of a Page - ASP.NET

Mnemonic¶

• R = Request
• S = Start
• I = page Init
• L = page Load
• V = Validation
• E = Event handling
• R = page Render
• U = page Unload
  

Detailed Steps¶

Page Request¶

• User requests a page
• Server checks if page is cached. If so, the cached page is sent to the client.
• Otherwise the page is parsed and compiled.
  

Start¶

• Request and Response objects are initialized, as is the Page.IsPostBack property.
  

Page Initialization¶

• Controls are initialized.
• Postback data has NOT been loaded.
• Control properties have NOT been set from viewstate.
  

Load¶

• If a postback, control properties are loaded from viewstate.
  

Validation¶

• Each validator is called, setting the IsValid property of each and of the page.
  

Postback Event Handling¶

• Postback event handlers are called
  

Rendering¶

• Viewstate is saved
• The Page.Render method is called
• The page is sent to the client
  

Unload¶

• Response and Request objects are unloaded.
• Cleanup is performed.