private void addStaffMemberButton_Click(object sender, EventArgs e)
{
EditStaffForm edf = new EditStaffForm();
edf.ShowDialog();
edf.Dispose();
staffListBox_SelectedValueChanged(this, e);
}
private void editStaffInfoButton_Click(object sender, EventArgs e)
{
EditStaffForm edf = new EditStaffForm(staffListBox.SelectedItem.ToString());
edf.ShowDialog();
edf.Dispose();
staffListBox_SelectedValueChanged(this, e);
}