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<?xml version="1.0" encoding="ISO-8859-1"?>
<refentry id="VX-S-11">
<refmeta>
<refentrytitle>Using XForms VX-S-11</refentrytitle>
<refmiscinfo>tutorial</refmiscinfo>
</refmeta>
<refnamediv>
<refname>XForms 1.0 rendering</refname>
<refpurpose>Rendering VSPX form controls as XForms 1.0 components</refpurpose>
</refnamediv>
<refsect1 id="VS-S-1a">
<title>Preliminaries</title>
<para>
The VSPX (Virtuoso Server Pages Extensions) framework allows
form controls to be rendered as XForms 1.0 components.
This approach take an advantage to check input field's data-type
and to restrict value using XML-Schema constraints. Thus
it's possible to make user agent performs input validation
before sending a data back to server.
It's IMPORTANT that this approach is only possible with browsers
that have a plug-in or natively supports XForms 1.0.
</para>
</refsect1>
<refsect1 id="VX-S-11a">
<title>VSPX to XForms input rendering</title>
<itemizedlist mark="bullet">
<listitem>This example works with IE6 or greater with FormsPlayer installed.
</listitem>
<listitem>The example shows turning on the flag for XForms rendering : "connection_set ('RenderXForms', 1)"</listitem>
<listitem>In the simple form all generic input controls are represented.</listitem>
<listitem>When submit is performed, data as XML document will be sent back to server and
will be prepared on server side as well-known 'params' array.
</listitem>
</itemizedlist>
<para>
As can be seen the XForms rendering do not require any changes to existing VSPX pages (except logic to turn it on).
</para>
</refsect1>
</refentry>
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