Wiley Beginning Ajax with ASP.NET 978-0-471-78544-6 ユーザーズマニュアル
製品コード
978-0-471-78544-6
1
Introduction to Ajax
on ASP.NET
Over the years, we developers have seen many changes in terms of how development occurs.
We have gone from terminal-based programming to PC-based programming to Windows-based
programming to the web. Now we are on the verge of another programming revolution. This pro-
gramming revolution will bring more interactive user interfaces to Web applications. This program-
ming revolution is brought to developers courtesy of a set of technologies that are generally known
as Ajax (Asynchronous JavaScript And XML). No longer will users see the annoying flash with the
click of a button to submit data. No longer will users lose the context where they are located and
be thrown back to the top of a page. With Ajax, developers can build applications that step out of
the traditional postback model of the web, provide an improved user interface to users, and allow
developers to develop applications that are much more user-friendly.
We have gone from terminal-based programming to PC-based programming to Windows-based
programming to the web. Now we are on the verge of another programming revolution. This pro-
gramming revolution will bring more interactive user interfaces to Web applications. This program-
ming revolution is brought to developers courtesy of a set of technologies that are generally known
as Ajax (Asynchronous JavaScript And XML). No longer will users see the annoying flash with the
click of a button to submit data. No longer will users lose the context where they are located and
be thrown back to the top of a page. With Ajax, developers can build applications that step out of
the traditional postback model of the web, provide an improved user interface to users, and allow
developers to develop applications that are much more user-friendly.
In this chapter, you are going to take a look at:
❑
ASP.NET development and how it led to Ajax
❑
What Ajax is and a high-level overview of some of its base technologies
❑
The advantages of Ajax
❑
Some things that it might not make sense to do with Ajax
Development Trends
If you have been developing for a while, like us old guys, you have gone through several iterations
of development. Development has gone from terminals connected to mainframes and minicom-
puters to personal computers and then to client-server development. Client-server development
allowed for the minimization of back-end resources, network resources, and the front-end PC by
sending only the necessary data between back end and front end. Intelligent client-server develop-
ment allowed for building applications that were responsive to the user and made efficient use of
network and back-end resources. As the web development methodology took off in the late 1990s,
we unfortunately returned to terminal-style development. In this methodology, any major operation
of development. Development has gone from terminals connected to mainframes and minicom-
puters to personal computers and then to client-server development. Client-server development
allowed for the minimization of back-end resources, network resources, and the front-end PC by
sending only the necessary data between back end and front end. Intelligent client-server develop-
ment allowed for building applications that were responsive to the user and made efficient use of
network and back-end resources. As the web development methodology took off in the late 1990s,
we unfortunately returned to terminal-style development. In this methodology, any major operation
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