Simply put, AJAX allows you to make a call to an http server (typically an RSS feed or a webpage), get it?
s content and load them into your existing page without having to refresh the whole page.
XMLHttp Request was developed by Mozilla from an Active X object named XMLHTTP and created by Microsoft.
With the addition of CSS and PHP, frames have become outdated, but if you wish to use them, read on.
Frames are most typically used to have a menu in one frame, and content in another frame.
Let's change that, by making the following changes: The Script Manager should have the Enable History property set to True and we need to subscribe to the On Navigate event, like this: Try running the page now.
Each time you change the color, you will see the URL change, but still without a real postback/page reload, and you can now use your Back/Forward buttons in the brower.
This tutorial will be useful for web developers who want learn how to create interactive webpages as well as improve their speed and usability using AJAX.
It is highly recommended that you are familiar with HTML and Java Script before attempting this tutorial.AJAX, is a web development technique for creating interactive web applications.If you know Java Script, HTML, CSS, and XML, then you need to spend just one hour to start with AJAX.A good rule of thumb is to call the page which contains this frame information "index.html", as that is typically a site's main page.Add a row to the top for a title and graphics with the code as follows: You've probably noticed those ugly gray lines that appear between the frames.You will also see that the URL in the address bar actually be copied to a new browser window, and when the page is loaded, the color is now the same as when you copied the URL. One thing that might bother you, is the fact that the URL looks very cryptic, like this: Default.aspx#&&/w EXAQUNU2Vs ZWN0ZWRDb2xvcg UFR3Jl ZW6Bw Cys I0sh Ys Zaux Imda PIIPEYSA== That's because the values are encoded for security reasons.