//TO BE DONE : Form Validation. All  fields are REQUIRED and cannot be null.
        private async void SignUp_OnClick_Register(object sender, EventArgs e)
        {
            if (PasswordEntry.Text != ConfirmPasswordEntry.Text)
            {
                PasswordMismatchLabel.IsVisible = !PasswordMismatchLabel.IsVisible;
            }
            else
            {
                Employee employee = new Employee();
                Login    login    = new Login();

                employee.employeeid = EmployeeIDEntry.Text;
                employee.name       = NameEntry.Text;
                employee.department = DepartmentEntry.Text;
                employee.contactno  = ContactNoEntry.Text;
                employee.gender     = GenderPicker.Items[GenderPicker.SelectedIndex];

                login.loginid  = EmployeeIDEntry.Text;
                login.password = PasswordEntry.Text;

                EmployeeController.AddEmployeeAsync(employee, login);


                await Navigation.PushModalAsync(new Pages.HomePage());
            }
        }