A simple ASP.NET page looks just like an ordinary HTML page.
To start learning ASP.NET, we will construct a very simple HTML page that will display "NewFile.
QcTutorials" in an Internet browser like this:
This code displays the example as an HTML page:
The simplest way to convert an HTML page into an ASP.NET page is to copy the HTML file to a new
file with an .htmlx extension.
This code displays our example as an ASP.NET page:
Fundamentally an ASP.NET page is just the same as an HTML page.
An HTML page has the extension .html. If a browser requests an HTML page from the server, the
server sends the page to the browser without any modifications.
An ASP.NET page has the extension .htmlx. If a browser requests an ASP.NET page, the server
processes any executable code in the page, before the result is sent back to the browser.
The ASP.NET page above does not contain any executable code, so nothing is executed. In the next
examples we will add some executable code to the page to demonstrate the difference between
static HTML pages and dynamic ASP pages.
Active Server Pages (ASP) was around for several years. With ASP, executable code can be placed
inside HTML pages.
Previous versions of ASP (before ASP .NET) are often called Classic ASP.
ASP.NET is not fully compatible with Classic ASP, but most Classic ASP pages will work fine as
ASP.NET pages, with only minor changes.
If you want to learn more about Classic ASP, please visit our ASP
To demonstrate how ASP can display pages with dynamic content, we have added some executable code
(in red) to the previous example:
The code inside the <% --%> tags is executed on the server.
Response.Write is ASP code for writing something to the HTML output stream.
Now() is a function returning the servers current date and time.
This following code displays our example as an ASP.NET page:
The previous examples didn't demonstrate any differences between ASP.NET and Classic ASP.
As you can see from the two latest examples there are no differences between the two ASP and
In the next chapters you will see how server controls make ASP.NET more powerful than Classic
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