<b>XAML : </b> stands for eXtensible Application Markup Language and pronounced as “<b>zammel</b>”.
<b>XAML</b> combined with the next-gen Windows graphics kernel (code-named Avalon) is an all-in-one markup language for hypertext (HTML), vector graphics (SVG), animations (Flash,SMIL), print documents (PDF,XSL-FO), forms (XForms,XUL), and much more.
The best of both worlds: In the XAML world there’s no longer a difference between a web application and a windows application. Windows is the browser kernel and Internet Explorer is just a shell.
The best of all worlds: A single programming model for media, documents and applications.
A …

Cache:
Its nothing but a thought kind of memory. In respect to asp.net it’s the memory of the machine/server from where the source-code is running. It is the one way which allow to store complex data for reusability.
Now think a criteria where clients access an ASP.NET page, there are basically two ways to provide them with the information they need:

The ASP.NET page can either obtain information from server resources, such as from data that has been persisted to a database, or
The ASP.NET page can obtain information from within the …

This is the practical scenario where sometime one wants to disallow Ctl+keys combinitions on web-pages.
Following Code-snippet tells the whole story:
&lt;html&gt;
&lt;head&gt;
&lt;script language=”JavaScript”&gt;
function testCtrlKeys(e)
{
//Create an array for all possible keys
var arrCtrlKeys = new Array(‘a’, ‘n’, ‘c’, ‘x’, ‘v’, ‘j’);
var key;
var isCtrl;
if(window.event)
{
…