SQL Bulk-copy from Excel

 class Program
    {
        static void Main(string[] args)
        {
            string excelPath = @"C:\Documents and Settings\lg39304\My Documents\Project Document\SafeSQL Issues\aa.xls";
            string conStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + excelPath + ";Extended Properties='Excel 8.0;HDR=False;IMEX=1'";
            OleDbConnection con = new OleDbConnection(conStr);
            con.Open();

            string sql = "select * from [Sheet1$]";
            OleDbCommand cmd = new OleDbCommand(sql, con);
            OleDbDataReader dr = cmd.ExecuteReader();

            SqlConnection sqlCon = new SqlConnection("Server=Test; Database=DRMS;User ID=abc;Password=123");
            sqlCon.Open();
            using (SqlBulkCopy bukCopy = new SqlBulkCopy(sqlCon))
            {
                bukCopy.NotifyAfter = 20;
                bukCopy.DestinationTableName = "version";
                bukCopy.WriteToServer(dr);
            }
        }
    }