2. Objectives
• Learn how to create Web Form in .NET
Platform using Visual Studio.
• ASP.NET Page lifecycle.
3. Introduction
• What is a Web Form?
Ans:-
A web form on a web page allows a user to
enter data that is sent to a server for
processing. And Server process the web page
& send HTML stream to the client.
4. Steps to create ASP.NETWeb
Form
• To create a Web form in ASP.NET we need
the Visual Studio.Net.
• Under the ‘File’ menu we need to click on
New-Web Site or we can simply press
Shift+Alt+N from the keyboard.
• A new window will appear. The name of the
window will be ‘New Web Site’. It will look
like this…
5.
6. Steps to create a ASP.NETWeb
Form(Contd.)
• If we press on ‘Ok’ the ‘Default.aspx”
window will generate where the HTML code
will be written.
• It calls the ‘Code-behind’.
• It will be look like this…
7.
8. Steps to create ASP.NETWeb
Form(Contd.)
• After that we have to put the mouse pointer
over the Solution Explore.
• On the Solution Explorer we need to double
click on ‘Default.aspx.cs’ option under the
‘Default.aspx’.
• It will open the C# devolvement window. Here
we can write the C# coding for the Web site.
• It calls the ‘Code inline’.
9.
10. Steps to create ASP.NETWeb
Form(Contd.)
• Now we need to design our Web site.
• For that we need to go to ‘Designer’ pane.
• It may be find on the Solution Explore.
• Using the dedicated Toolbox option we can
add numerous controls on the ‘Design’ pane.
11.
12.
13. Steps to create ASP.NETWeb
Form(Contd.)
• Let us create the simple ‘Hello World’
programming for our first ASP.NET Web
form.
• On that program we will understand what we
can do on the ‘Design’ pane.
• The first page will show us the ‘Hello World’
message on the web browser without any
controls.
• It will be like this…
14.
15. Steps to create ASP.NET Web
Form(Contd.)
• The code for the web form will be…
16.
17. • Now we will format the output on the ‘Design’
window using a simple control- Label control.
• It will look like this…..
18.
19. Steps to create ASP.NET Web
Form(Contd.)
• The code for the web form will be…
20.
21. Sequence of ASP.NET events
1)Page Init
2)Page Load
3)Controls Events
4)Page Unload events
Page Init events only occurs when 1st
time the page is
started, But Page Load occurs in subsequent request
of the page.
** Page Load event guarantees that all controls are
fully loaded.
