Page Lifecycle

Page Lifecycle

The Page Lifecycle refers to the sequence of events that occur during the lifespan of an ASP.NET web page. It defines the order in different and events are executed, allowing developers to the behavior and appearance of the page at each stage.

The following is a simplified overview of the typical Page Lifecycle:


protected void Page_PreInit(object sender, EventArgs e)
{
    // This event is triggered before the initialization of the page
    // Perform any necessary  before the page is initialized
}

protected void Page_Init(object sender, EventArgs e)
{
    // This event is triggered during the initialization of the page
    // Initialize controls and other resources needed by the page
}

protected void Page_Load(object sender, EventArgs e)
{
    // This event is triggered when the page is loaded
    // Perform tasks such as retrieving data,  controls, etc.
}

protected void Page_PreRender(object sender, EventArgs e)
{
    // This event is triggered just before the rendering of the page
    // Perform any  modifications to the page before it is rendered
}

protected void Page_Render(object sender, EventArgs e)
{
    // This event is triggered during the rendering of the page
    // Perform any additional rendering tasks if needed
}

protected void Page_Unload(object sender, EventArgs e)
{
    // This event is triggered when the page is unloaded from memory
    //  up any resources used by the page
}

Throughout the Page Lifecycle, various events and methods can be utilized to the behavior of the page. For example, the Page_Load event is commonly used to retrieve data from a database and controls with the retrieved data. The Page_PreRender event can be used to make final modifications to the page before it is rendered to the user.

the Page Lifecycle is crucial for ASP.NET developers as it allows them to control the flow of their application and ensure that the necessary tasks are executed at the appropriate stages of the page's lifespan.

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