Game ridickulous....sheesh net asp access updating database should ride

Sunday, March 04, 2018 by Alesa

Why it is not updating the records.Thanks for all the help. 

 private void button5_Click(object sender, EventArgs e)
        {
            string str2 = contactFirstNameTextBox.Text;
            string str3 = contactLastNameTextBox.Text;
            string str4 = billingAddressTextBox.Text;
            string str5 = phoneNumberTextBox.Text;
            string str6 = emailAddressTextBox.Text;
            string str7 = notesTextBox.Text;
          
            string str = "UPDATE Customers SET ContactFirstName = ?,ContactLastName = ?,BillingAddress =?,PhoneNumber = ?,EmailAddress = ? ,Notes = ? WHERE CustomerID = ?";
          
            using (OleDbConnection con = new OleDbConnection(scon))
            {
                using (OleDbCommand cmd = new OleDbCommand(str, con))
                {
                  

                    cmd.CommandType = CommandType.Text;
                    cmd.Parameters.AddWithValue("CustomerID", customerIDtextbox.Text);
                    cmd.Parameters.AddWithValue("ContactFirstName", str2);
                    cmd.Parameters.AddWithValue("ContactLastName", str3);
                    cmd.Parameters.AddWithValue("BillingAddress", str4);
                    cmd.Parameters.AddWithValue("PhoneNumber", str5);
                    cmd.Parameters.AddWithValue("EmailAddress", str6);
                    cmd.Parameters.AddWithValue("Notes", str7);


                    con.Open();
                    cmd.ExecuteNonQuery();
                }
            }
        }

https://forums.asp.net/t/1186534.aspx?Update+Access+Database+in+C+