C#

<InstalledProgramInfo>
     <Name>AAA<</Name>
     <UninstallSequenceNumber>0</UninstallSequenceNumber>
     <AdditionalBackupInfo>
           <Name>AAA</Name>
           <Source>C:\SourceTest</Source>
           <Destination>C:\DestTest</Destination>                     
     </AdditionalBackupInfo>
     <AdditionalBackupInfo>
           <Name>AAA</Name>
           <Source>C:\SourceTest1</Source>
           <Destination>C:\DestTest1</Destination>
     </AdditionalBackupInfo>   
</InstalledProgramInfo>

AppConfigurationDataSet DataSet = new AppConfigurationDataSet();

DataSet.ReadXml("AppConfiguration.xml");

InstalledProgramInfoDataTable Table = (InstalledProgramInfoDataTable)DataSet.Tables["InstalledProgramInfo"];

foreach(InstalledProgramInfoDataRow CurrentRow in Table.Rows)
{
     foreach(DataRow NestedRow in CurrentRow.GetChildRows("InstalledProgramInfo_AdditionalBackupInfo"))
     {
          DoSomething(); // I can't reach this code(the relation exist in CurrentRow!!!)
     }
}

//Create the connection
            string chcc = @"Data Source=.\BaseGmaoLocale.sdf;";
            SqlCeConnection sqlceconn = new SqlCeConnection(chcc);

//Create the connection
            string chcc = @"Data Source = C:\\Users\\Admin\\Documents\\Visual Studio 2008\\Projects\\GMAOMobile\\ModeDifféré\\BaseGmaoLocale.sdf;";
            SqlCeConnection sqlceconn = new SqlCeConnection(chcc);