[Mono-bugs] [Bug 473303] New: Null CssClass handling inconsistency between Mono and MS.NET implementations

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Fri Feb 6 08:58:40 EST 2009


           Summary: Null CssClass handling inconsistency between Mono and
                    MS.NET implementations
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.2.x
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Sys.Web
        AssignedTo: mhabersack at novell.com
        ReportedBy: sergey.hakobyan at gaiaware.net
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---

Created an attachment (id=270817)
 --> (https://bugzilla.novell.com/attachment.cgi?id=270817)
Failing testcase

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:
Gecko/2008120122 Firefox/3.0.5 (.NET CLR 3.5.30729)

NullReferenceException occurs when setting CssClass property to null for almost
any WebControl.

The issue seems to occur because of style.AddAttributesToRender(writer, this)
call in AddAttributesToRender() method of WebControl.

Testcase is attached.

Reproducible: Always

Steps to Reproduce:
1. Create a WebControl, eg. Label
2. Set CssClass to null in code
Actual Results:  
NullReferenceException occurs.

Expected Results:  
WebControl should render without "class" attribute, as it does in MS.NET

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