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Introduction To XML

In this article, we will provide an introduction to XML.

What Is An XML?

XML stands for eXtensible Markup Language. This is the data format designed to store and transport data.

Is XML Case Sensitive?

Yes

Innertext Vs Innerxml

InnerText will take the value between the Start and close Tag of an element

Eg:

<User> AXAX </User>

Output: AXAX

InnerXML will bring you all childNode Details between the Start and close Tag of an element

Eg:

<User> AXAX
   <id>  LL
   </id>
</User>

Output

AXAX
  <id>  LL
   </id>

Data Island In Xml

An XML data island is XML data embedded into an HTML page.

Eg:

<body>
<form id="form1" runat="server">
<XML ID="XMLID" runat="server">
      <XMLDATA>
        <DATA>TEXT</DATA>
      </XMLDATA>
      </XML>
</form>
</body>

What Is An XML Namespace?

A namespace is a set of names in which all names are unique. In XML, namespace provides unique xml elements in a XML document.

Consider a sample code

<root xmlns=”http://www.w3.org/1999/xhtml/” xmlns:x=”http://www.w3.org/xml/xinclude/”>
	<employee></employee>
	<x:employee></x:employee>
</root>

Let us assume that the first child node i.e. employee denotes the employee who is working in the company as a contractor and second child node i.e. x:employee denotes the employee who is working on the company's payroll.

Here the namespace prefix i.e. x distinguishes between both elements with the same name.

Posted By -	Karan Gupta

Posted On -	Tuesday, May 31, 2022

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