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Understanding ASP.NET Page Lifecycle: Building Dynamic HTML in Response to User Actions

This exercise explores the lifecycle of an ASP.NET page, detailing how an application processes user interactions. Initially, when the page loads, the application triggers the Page_Load event, generating the HTML rendered in the user's browser. Each interaction, such as clicking a radio button or a button, sends a request to IIS, which integrates responses into the HTML page. The server executes C# code behind the events, altering the dynamic content displayed in the browser. This overview provides insights into the seamless integration between backend processes and frontend rendering.

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Understanding ASP.NET Page Lifecycle: Building Dynamic HTML in Response to User Actions

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Presentation Transcript

  1. How an ASP.NET page is “built” (Lab exercise 1 as an example)

  2. When the application initially loads… Start Execute Page_Load() Create the HTML page Viewable in browser End Execute populateRadio() IIS receives a request from the browser… IIS integrates output into the HTML page HTML is rendered by the browser .NET executes the C# code

  3. When you click on RadioButtonList1… Start Execute Page_Load() Create the HTML page Viewable in browser End Execute RadioButtonList1_SelectedIndexChanged() IIS receives a request from the browser… IIS integrates output into the rest of the HTML page HTML is rendered by the browser .NET executes the C# code

  4. When you click on RadioButtonList2… Start Execute Page_Load() Create the HTML page Viewable in browser End Execute RadioButtonList2_SelectedIndexChanged() IIS receives a request from the browser… IIS integrates output into the rest of the HTML page HTML is rendered by the browser .NET executes the C# code

  5. When you click on Button1… Start Execute Page_Load() Create the HTML page Viewable in browser End Execute Button1_Click() IIS receives a request from the browser… IIS integrates output into the rest of the HTML page HTML is rendered by the browser .NET executes the C# code

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