Introduction
XML is becoming one of the most sought after technologies for storing and retrieving data and particularly for displaying Data on Web Pages.
The cool asp:xml control
How many of us are aware that we can use the server control to just specify the xml file and the xslt or other stylesheet file and then without a single line of code, .net does the transformation for rendering in an aspx page?
For the benefit of those who are not aware, the following is the code for accomplishing the same:-
<asp:Xml id="Xml1" runat="server" DocumentSource="file path to xml file" TransformSource="file path to xslt file">
Put the above code in the aspx page as you would normally declare other server controls like button, label etc., and it will load the document, apply the stylesheet and render it for you, in the aspx page. All done without a single line of additional code.
You can assign the DocumentSource and TransformSource from the codebehind as well like other server controls.
XML from DataSet
If you are using a DataSet and want to assign the xml from the dataset, well you can use the DocumentContent property of the <asp:xml> control to specify the xml format as follows:-
Xml1.DocumentContent = DataSet1.GetXml();
where Xml1 is the id of the <asp:xml> control.
Summary
This article discussed about the asp:xml control for displaying XML Data on ASP.NET Pages.
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