Complete version of ASP.NET page processing process
Author：Eve Cole
Update Time：2009-07-01 15:48:00
Extracted from the book: [200 Questions and Answers on ASP.NET Development]..
① Page initialization----------After receiving the client's request, the Page object of the corresponding page is generated, and the page object and its controls are initialized through the Page_Init event.
②Load view state -------ViewState is a collection of attributes and values that store page server controls. The client passes it to the server through a hidden control _ViewState (the server also has such a variable, this step is to use Server-side ViewState, relative to)
