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Understand Events and Control Page Flow

Understand the role of events in dynamic web pages, key events in web application life cycles, controlling page flow, ASP.NET page event life cycle, application events, and key players like Cross-page posting and Server Transfer. Dive into event handling and web page control mechanisms in this comprehensive lesson.

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Understand Events and Control Page Flow

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  1. Understand Events and Control Page Flow LESSON 1.4 98-363 Web Development Fundamentals

  2. Lesson Overview • How do events play a role in creating dynamic Web pages? • What events play a key role in the life cycle of a Web application or Web • page? • In this lesson, you will review: • Events and their role in Web applications • Various concepts related to controlling page flow

  3. Application Life Cycle Figure 1 Figure 2

  4. Page Life Cycle When an ASP.NET page is requested, a series of page events occurs. These events always occur in the same order, which is referred to as the page event life cycle. An easy way to remember the sequence of events is SILVER: S – Start I – Initialize L – Load V – Validate E – Event Handling R – Render

  5. Lesson Review • Life cycle • Page event • Application event • Key players related to page control:Cross-page posting, Response.Redirect, Server.Transfer, IsPostBack, AutoEventWireup

  6. Assignment • Complete Student Activity 1.4. • You may work in a group, but you are responsible for your own work. • Be prepared to discuss your results with the class.

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