Problem

When we upgraded to Microsotf .NET Framework 3.5, some web sites crashed. Here are error messages.

     Description: An error occurred during the parsing of a resource required to service this request.   
    Please review the following specific parse error details and modify your source file appropriately.
    


     Parser Error Message: '.', hexadecimal value 0x00, is an invalid character. Line 2, position 1.


    Source Error:

Line 1: <?xml version="1.0" encoding="utf-8"?>

Line 2: <xs:schema id="DataSetAdmin"

Line 3: <xs:annotation>

Line 4: <xs:appinfo source="urn:schemas-microsoft-com:xml-msdatasource">

Version Information: Microsoft .NET Framework Version:2.0.50727.1433; ASP.NET Version:2.0.50727.1433

Solution

Remove encoding attribute from your xml document.

From

<?xml version="1.0" encoding="utf-8"?>

<?xml version="1.0"?>

Article ID: 164, Created: June 22, 2015 at 5:35 AM, Modified: November 12, 2018 at 7:12 PM

hexadecimal value 0x00 is an invalid character, web site crashed when upgraded to .NET 3.5

Problem

Solution

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