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XForms Namespace

You should use an XForms namespace in HTML and XHTML 1.0.

But hopefully not in XHTML 2.0.

The XForms Namespace

The official namespace for XForms is: http://www.w3.org/2002/xforms

If you want to use XForms in HTML (or XHTML 1.0), you should declare all XForms elements with an XForms namespace.

XForms is expected to be a standard part of XHTML 2.0, eliminating the need for the XForms namespace.

This example uses the XForms namespace:

<html xmlns:xf="http://www.w3.org/2002/xforms">

<head>
<xf:model>
  <xf:instance>
  <person>
    <fname/>
    <lname/>
  </person>
  </xf:instance>
  <xf:submission id="form1" method="get"
  action="submit.asp"/>
</xf:model>
</head>

<body>
<xf:input ref="fname">
<xf:label>First Name</xf:label></xf:input>
<br />
<xf:input ref="lname">
<xf:label>Last Name</xf:label></xf:input>
<br />
<br />
<xf:submit submission="form1">
<xf:label>Submit</xf:label></xf:submit>
</body>
</html>

In the example above we have used the xf: prefix for the XForms namespace, but you are free to call the prefix anything you want.

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