private void Add_Click(object sender, EventArgs e)
        {
            string errorMsg;

            if (!ValidFirstName(FirstName.Text, out errorMsg))
            {
                // Cancel the event and select the text to be corrected by the user.


                // Set the ErrorProvider error with the text to display.
                Alert.Show(errorMsg);
            }
            if (!ValidLastName(LastName.Text, out errorMsg))
            {
                // Cancel the event and select the text to be corrected by the user.


                // Set the ErrorProvider error with the text to display.
                Alert.Show(errorMsg);
            }
            else if (!ValidEmailAddress(Email.Text, out errorMsg))
            {
                // Set the ErrorProvider error with the text to display.
                Alert.Show(errorMsg);
            }
            else
            {
                if (mysqlConn.connOpen() == true)
                {
                    var Name = LastName.Text + " " + FirstName.Text;
                    mysqlConn.insertCustomer(Name, FirstName.Text, LastName.Text, TelNum.Text, address.Text, city.Text, Email.Text, country.Text);
                    dataGridView1.DataSource = mysqlConn.qry("SELECT * FROM `tblCustomer`").Tables[0];
                    Name = "";
                }
            }
        }