private void btnEntranceControl_Click(object sender, EventArgs e)
{
EntranceControlForm entranceControlForm = new EntranceControlForm(db, startForm, this);
this.Hide();
entranceControlForm.Show();
}
// ==================================================
public EntranceControlStatisticsForm(RoofingCompanyEntities db, StartForm startForm, EntranceControlForm entranceControlForm)
{
InitializeComponent();
this.db = db;
this.startForm = startForm;
this.entranceControlForm = entranceControlForm;
}