asp_net

ASP.NET Application Phases

A Sample Code to See Page Life Cycle

How to see the Page Life Cycle Events?

1. Open a Web page

2. Double click the page in âDesign View?

3. Select all by pressing âCltr+A? keys in Code View and remove all the code.

4. Copy the Code written below and paste it in âCode View? of the Web Page.

This code contains the all the Web Page Events and you can able to see the page life cycle through the firing of these events.

Note: The string written in the Page_UnLoad event will not be available as this is the last event and Web page has been unloaded but it is sure that event has fired.

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page
{
string sb;

protected void Page_PreInit(Object sender, EventArgs e)

{
sb="Event PreInit is Called" + " ";
Response.Write(sb);
}
protected void Page_Init(Object sender, EventArgs e)
{
sb="Event Init is Called" + " ";
Response.Write(sb);
}
protected void Page_InitComplete(Object sender, EventArgs e)
{
sb="Event InitComplete is Called" + " ";
Response.Write(sb);
}
protected void Page_PreLoad(Object sender, EventArgs e)
{
sb="Event PreLoad is Called" + " ";
Response.Write(sb);
}
protected void Page_Load(Object sender, EventArgs e)
{
sb="Event Load is Called" + " ";
Response.Write(sb);
}

protected void Page_LoadComplete(Object sender, EventArgs e)
{
sb="Event Load is Called" + " ";
Response.Write(sb);
}
protected void Page_PreRender(Object sender, EventArgs e)
{
sb="Event PreRender is Called" + " ";
Response.Write(sb);
}
protected void Page_PreRenderComplete(Object sender, EventArgs e)
{
sb="Event PreRenderComplete is Called" + " ";
Response.Write(sb);
}

protected void Page_Unload(Object sender, EventArgs e)
{
sb="This event is called when your page is complete rendered" + " ";
}

5. Press the F5 to run the application

6. You will find the Output of code as sequence of text string written as in figure below.