namespace LDBproject.AdditionalForms; public partial class CustomerF : Form { private int? _custID; public CustomerF() { InitializeComponent(); } public int ID { set { try { _custID = value; } catch (Exception ex) { MessageBox.Show(ex.Message, "CustomerF [ Error : wrong data ]", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } } } private void SaveBtn_Click(object sender, EventArgs e) { try { if (string.IsNullOrWhiteSpace(FIOEnterTb.Text) || BirthdayDTPicker.Value.Year < 1940) { throw new Exception("CustomerF [ Blank spaces were left, not enough information ]"); } if (_custID.HasValue) { } else { } Close(); } catch (Exception ex) { MessageBox.Show(ex.Message, "CustomerF [ Error : while saving ]", MessageBoxButtons.OK, MessageBoxIcon.Error); } } private void CancelBtn_Click(object sender, EventArgs e) => Close(); private object CreateCustomer(int id) { return null; } }