Generated XHTML by the .NET environment can throw an error if creating strict XHTML 1.1 as defined by
The .NET environment adds the attribute "name" to the "Form" tag, which is not valid, strict XHTML 1.1 as shown in the screen shot below when validating against the W3C service.
To remove this error, the .NET environment needs to be told to generate strict XHTML, as opposed to transitional XHTML or HTML or some other format.
This can be done by adding "<xhtmlConformance mode="Strict"/>" to the web.config file within the system.web node e.g.
W3C validator: http://validator.w3.org/
MSDN: http://msdn.microsoft.com/en-us/library/ms228268.aspx
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
The .NET environment adds the attribute "name" to the "Form" tag, which is not valid, strict XHTML 1.1 as shown in the screen shot below when validating against the W3C service.
 |
| Screen shot of W3C Strict XHTML 1.1 validation error |
To remove this error, the .NET environment needs to be told to generate strict XHTML, as opposed to transitional XHTML or HTML or some other format.
This can be done by adding "<xhtmlConformance mode="Strict"/>" to the web.config file within the system.web node e.g.
<?xml version="1.0"?>
<!--
Note: As an alternative to hand editing this file you can use the
web admin tool to configure settings for your application. Use
the Website->Asp.Net Configuration option in Visual Studio.
A full list of settings and comments can be found in
machine.config.comments usually located in
\Windows\Microsoft.Net\Framework\v2.x\Config
-->
<configuration>
<appSettings/>
<connectionStrings/>
<system.web>
<xhtmlConformance mode="Strict"/>
</system.web>
</configuration>Resources:
W3C validator: http://validator.w3.org/
MSDN: http://msdn.microsoft.com/en-us/library/ms228268.aspx
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