ค้นหาข้อมูลใน Database แล้วมันError แบบนี้ครับ "COM object that has been separated from its underlying RCW cannot be used."

private void btn_show_Click(object sender, EventArgs e)
        {
            dataGridView1.Rows.Clear();
            connect.ConnectionString = Tool.getStringDB(set.dbname, set.versionaccess);
            connect.Open();


            cmd.Connection = connect;
            cmd.CommandText = "SELECT * From InvoiceInformation WHERE Order_date between @startdate and @enddate";
            cmd.Parameters.AddWithValue("startdate", startdate.Value.ToShortDateString());
            cmd.Parameters.AddWithValue("enddate", enddate.Value.ToShortDateString());

            OleDbDataReader reader = cmd.ExecuteReader();

            while (reader.Read())
            {
                dataGridView1.Rows.Add();

                dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells["Invoice_no"].Value = reader[0].ToString();
                dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells["Purchase_ProductID"].Value = reader[1].ToString();
                dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells["Purchase_ProductName"].Value = reader[2].ToString();
                dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells["Purchase_Amout"].Value = reader[3].ToString();
                dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells["Purchase_TotalPay"].Value = reader[4].ToString();
                dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells["Order_date"].Value = reader[5].ToString();
                dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells["Customer_name"].Value = reader[6].ToString();
                dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells["Address"].Value = reader[7].ToString();
            }
            connect.Close();
        }