Hi again... sorry for the late reply.
After adding these keys under appSettings (but with different settings):
<add key="DatabaseType" value="OracleOleDb" />
<add key="ConnectionString" value="Provider=OraOLEDB.Oracle;Data Source=orcl;User Id=sysman;Password=admin;"/>
i get this error message:
Server Error in '/' Application.
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Keyword not supported: 'provider'.
Any idea?