XHTML 1.0 Strict (or Transitional) compliance in ASP.NET 2.0/3.5

Line 13, Column 11: there is no attribute "name".
<form name="aspnetForm" method="post" action="Default.aspx" onsubmit="javascript

<system.web>
    ... other configuration goes here ...
    <xhtmlConformance mode="Strict" />
</system.web>