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Events and Life Cycle of a Page (ASP.Net 1.x VS ASP.Net 2.0):
In the ASP.NET runtime the life cycle of a page is marked by a series of events. In ASP.NET 1.x, based on user interaction a page request is sent to the Web server. The event that is initiated by the page request is Init. After the Init event, Load event is raised. Following the Load event, PreRender event is raised. Finally, the Unload event is raised and an output page is returned to the client.
ASP.NET 2.0 adds a few new events to allow you to follow the request processing more closely and precisely. These new events are discussed in the following table.
New Events in ASP.NET 2.0:
|
Events |
Description |
|
PreInit |
This occurs before the page begins initialization. This is the first event in the life of an ASP.NET 2.0 page. |
|
InitComplete |
This occurs when the page initialization is completed. |
|
PreLoad |
This occurs immediately after initialization and before the page begins loading the state information. |
|
LoadComplete |
This occurs at the end of the load stage of the page's life cycle. |
|
PreRenderComplete |
This occurs when the pre-rendering phase is complete and all child controls have been created. After this event, the personalization data and the view state are saved and the page renders to HTML. |
This new features enable developer to dynamically modify the page output and the state of constituent controls by handling these events.
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Muhammad Mosa
Muhammad M. Mosa Soliman:
Software Engineer, graduated from the Faculty of Computers & Information Systems year 2003-Ain Shams University- in Cairo. Working with Microsoft .NET technology since early beta releases. Main experiance based on ASP.NET, SharePoint Portal 2003 & SQL Server.
Worked as trainer for Microsoft .NET for 2 years in Cairo. Likes to read about new technologies and self-learning.
Extremly Hard worker when motivated.
MCT
MCSD.NET
MCTS: .Net 2.0 Web/Windows Applications
MCPD: Enterprise Application Developer
MCTS: WSS 3.0 & MOSS 2007 Config
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