private void btnDisplay_Click(object sender, EventArgs e)
        {
            pnlDisplay.Visible = true;

            foreach (Developer DevRec in myDev)
            {
                txtFirstName.Text   = DevRec.firstName;
                txtLastName.Text    = DevRec.lastName;
                txtStAddr.Text      = DevRec.stAddr;
                txtCity.Text        = DevRec.city;
                txtState.Text       = DevRec.state;
                txtZip.Text         = DevRec.zip;
                txtAge.Text         = DevRec.age;
                txtMonGrossPay.Text = (DevRec.grossMonPay).ToString();
                txtDeptID.Text      = DevRec.deptID;
                txtDevType.Text     = DevRec.devType;
                txtEmpType.Text     = DevRec.empType;

                double annualTax = DevRec.taxes(DevRec.grossMonPay);
                txtAnnTaxes.Text = annualTax.ToString();

                double annualIncome = DevRec.netPay(DevRec.grossMonPay, annualTax);
                txtAnnNetPay.Text = annualIncome.ToString();

                pnlDisplay.Refresh();

                Thread.Sleep(2000);
            }

            lblDisplayText.Text = "End of Records";
        }