Asp.net Page life cycle

Question

why you are used override keyword in asp.net page life cycle event which doesnt takes (object sender) parameter..?

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When you create a class that inherits from the Page class, in addition to handling events raised by the page, you can override methods from the page's base class. For example, you can override the page's InitializeCulture method to dynamically set culture information. Note that when an event handler is created using the Page_ event syntax, the base implementation is implicitly called and therefore you do not need to call it in your method. For example, the base page class's OnLoad method is always called, whether you create a Page_Load method or not. However, if you override the page OnLoad method with the override keyword ( Overrides in Visual Basic), you must explicitly call the base method. For example, if you override the OnLoad method on the page, you must call base.Load ( MyBase.Load in Visual Basic) in order for the base implementation to be run. http://msdn.microsoft.com/en-us/library/ms178472.aspx

Asp.net Page life cycle

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