private void btnSave_Click(object sender, System.EventArgs e)
{
EmployeeBusinessLogic employeeBusiness = new EmployeeBusinessLogic();
selectedStaff.FirstName = txtName.Text;
selectedStaff.Email = txtEmail.Text;
selectedStaff.LastName = txtSurname.Text;
selectedStaff.Address = txtNum.Text;
employeeBusiness.updateEmployee(selectedStaff, employeeType.technician);
}
