Read DBF file with OleDbConnection

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C#

Windows

OleDb

Hi!
I'm working on a system that reads Shapefiles (ESRI ShapeFile "*.Shp"), and I'm having problems with the data file ".Dbf", in some cases i can open it without problems. But in other cases i can't read the records.

Here is the code to read the File:

OleDbConnection connection = new OleDbConnection( "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Path.GetDirectoryName( fileName ) + ";Extended Properties=DBASE III" );
                connection.Open( );
                OleDbDataAdapter adapter = new OleDbDataAdapter( "select * from " + Path.GetFileName( fileName ), connection );
                DataSet dataSet = new DataSet( ); ;
                adapter.Fill( dataSet );
                if ( dataSet.Tables.Count > 0 ) {
                    data = dataSet.Tables[ 0 ];
                }

And Here is the Error Message:

System.Data.OleDb.OleDbException: nexpected error caused by drivers from external database (8961).

Can anyone help me?