[Mono-bugs] [Bug 367273] New: ASP.Net does not expand runat="server" tags inside conditional comments

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Wed Mar 5 05:41:30 EST 2008


           Summary: ASP.Net does not expand runat="server" tags inside
                    conditional comments
           Product: Mono: Class Libraries
           Version: 1.2.6
          Platform: x86-64
        OS/Version: Ubuntu
            Status: NEW
          Severity: Minor
          Priority: P5 - None
         Component: Sys.Web
        AssignedTo: mhabersack at novell.com
        ReportedBy: alankila at bel.fi
         QAContact: mono-bugs at lists.ximian.com
          Found By: Development

An useful feature, conditional comments, is suboptimally supported by Mono's
ASP.Net implemenation. One may be tempted to do something like this:

<!--[if IE 6]>
<link rel="styleheet" type="text/css" href="~/compat-ie6.css" runat="server"/>

in order to serve IE6 a special stylesheet. I find this a convenient way to
cater to the bad IE CSS support, and not a WTF design by itself. In other
words, I think it should be a supported practice.

Unfortunately, Mono's ASP.Net sees the <!-- --> comment and does no parsing or
tag expansion within it, thus serving the runat="server" and the href with ~.

I was able to workaround the problem through hiding the conditional comments
from the XML parser:

<% Response.Write("<!--[if IE 6]>"); %>
<link etc./>
<% Response.Write("<![endif]-->"); %>

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