c# oledb dbf

string filepath = @"c:\aaa;
string connstring =
"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + filepath + ";Extended Properties=dBASE IV;"
OleDbConnection conn = new OleDbConnection(connstring);

conn.Open();

using (OleDbCommand cmd = new OleDbCommand("SELECT * FROM PART.DBF", conn))
            {
                OleDbDataAdapter adpt = new OleDbDataAdapter(cmd);
                DataTable dt = new DataTable();
             
                adpt.Fill(dt);
                dataGridView1.DataSource = dt;
            }

dbf는 파일이 태이블이다.