XML has become an integral part of Microsoft’s future development efforts from data access to document storage and retrieval to messaging systems and distributed computing.
This is very much in keeping with their efforts to make data access a seamless part of the operating environment, with that data increasingly expressed as XML. If you are fortunate enough to be able to limit your browser to Internet Explorer 5, you can also take advantage of several features that this browser supports. Internet Explorer 5 was essentially the first internet browser to support XML features implicitly although internet Explorer 4 did have a crude XML parser that was available as an ActiveX control.
Behaviors easily rank as the most useful of these features. A behavior can be thought of as a way of extending HTML tags through scripting. Inbreed Microsoft’s implementation of such features as vector markup Language is accomplished through precisely this mechanism. Moreover, you can create behaviors, such as animated clocks, that you can then insert into your code through a simple HTML declaration. Behaviors are especially useful in creating components for use within your web page without the complications of building active controls. On a recent project it blitz a component talked to an ASP page on the severe for processing the SQL query and returning it as an XML document and then it called a parameterized XSL file to output the data as table. Behaviors maintained state and event information so that the table could respond to mouse over and click events.
Where this could be useful is a help system in which a roll over on an item indented be beforehand brings up a floating help balloon that contains more extensive information about an element’s function. As language such as visual basic and java start to become more XML centric many of the standard components will have options for using XML as the data source. The Tree view control in Visual Basic Version 6 seems almost ideally suited for use fir by XML but you have to have a fairly good knowledge of XML to actually take advantage of this. Over time even standard controls will provide options fir both importing or exporting data and saving or loading in visual state information. One of the lesser known but more useful additions that Internet Explorer 5 brought which it was the windows scripting host which lets you apply scripting behavior to the operating system itself. As an indication of Microsoft’s future programming goals the scripting host is written around an XML shell and gives you way of using XML to set various applications’ configurations.
Managing Document and data space:- The task of managing documents has moved from being a fairly simple operation of maintaining a decent naming convention on your 20 MB hard drive to keeping track of tens of thousands of document produced by thousands of people over a network that could extend all across the world. Without ability to keep track of documents a company’s primary asset its information slowly melts away in a sea of undocumented electrons. This is already happening on the Internet, where significant portions of the web are simply inaccessibly unless you happen to know exactly where something is located.
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