[Mono-bugs] [Bug 588199] New: DataTable CONVERT function not implemented/throws exception

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http://bugzilla.novell.com/show_bug.cgi?id=588199

http://bugzilla.novell.com/show_bug.cgi?id=588199#c0


           Summary: DataTable CONVERT function not implemented/throws
                    exception
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.6.x
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Sys.Data
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: janvanderwatt at gmail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---


Created an attachment (id=348340)
 --> (http://bugzilla.novell.com/attachment.cgi?id=348340)
Code snippet to reproduce bug/test that problem is resolved

User-Agent:       Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR
2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; .NET4.0E)

The CONVERT function, as described at
http://msdn.microsoft.com/en-us/library/system.data.datacolumn.expression(VS.85).aspx
is not implemented on Mono.
To be specific, it isn't implemented when used as part of a filter expression
(it could be implemented for other examples but I am unsure how to test for
that).
There is also a general aspect here being that the error thrown is far too
general - the MS equivalents are at least a bit more specific about what is
wrong with one's expressions.

Reproducible: Always

Steps to Reproduce:
1. Use CONVERT funtion in DataTable.Select(filter).
2. Please see the attached code snippet
Actual Results:  
An exception is thrown: "Expression 'CONVERT(iCount, 'System.String') LIKE
'%10%'' is invalid.".
Typically, the MS platform would be more specific, and this is only an example,
but one would expect an error "The CONVERT function in your expression is not
yet support on Mono"

Expected Results:  
It would be really really nice if this function is implemented and working in
accordance with the MS definitions.

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