"Tom Delany" <stellarguy@n...> wrote in message
news:uIX8q3y7HHA.2208@T......
> According to the Microsoft documentation, the .NET class
> System.Xml.XmlWriter.WriteString() does the following:
>
> "Character values in the range 0x-0x1F (excluding white space characters
> 0x9, 0xA, and 0xD) are replaced with numeric character entities (&#0;
> through &#0x1F)."
>
> However, when we call WriteString() in an application we have written, we
> are seeing the following exception being thrown:
>
> System.ArgumentException: '', hexadecimal value 0x12, is an invalid
> character.
>    at System.Xml.XmlUtf8RawTextWriter.InvalidXmlChar(Int32 ch, Byte*
> pDst, Boolean entitize)
>    at System.Xml.XmlUtf8RawTextWriter.WriteElementTextBlock(Char* pSrc,
> Char* pSrcEnd)
>    at System.Xml.XmlUtf8RawTextWriter.WriteString(String text)
>    at System.Xml.XmlUtf8RawTextWriterIndent.WriteString(String text)
>    at System.Xml.XmlWellFormedWriter.WriteString(String text)
>
> Anyone ever seen anything like this?  Any idea what I am doing wrong?
>

I'm not sure I understand why the documentation says that.  Most control
characters are illegal in XML, why would you want to include them?


-- 
Anthony Jones - MVP ASP/ASP.NET