public FacturesForm() { InitializeComponent(); factureRepo = new FacturesRepo(); Factures = factureRepo.Get(); FacturesGridView.DataSource = Factures; FacturesGridView.Columns["Id"].Visible = false; FacturesGridView.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill; if (Factures?.Count == 0) { EditBtn.Enabled = false; RemoveBtn.Enabled = false; } }