oledb connection read text file

OleDbConnection con;
        private string dbCon()
        {
            StreamReader sr = File.OpenText("dbCon.txt");
            string conread = sr.ReadLine();
            return conread;
        }

OLEDB connection

OleDbConnection con = new OleDbConnection("Provider=Microsoft.Jet.Oledb.4.0;Data Source=E:\\sample\\samp\\db_samp.mdb");