private void StockOutUI_Load(object sender, EventArgs e) { companyBindingSource.DataSource = _manager.ComboDataTable(_companyManager.GetAllCompany()); int companyId = Convert.ToInt32(companyCombo.SelectedValue); itemBindingSource.DataSource = _manager.ComboDataTable(_stockInManager.GetAllItem(companyId)); _stockOutManager.CreateItemTable(); addItemDataGrid.DataSource = _stockOutManager.GetItemTable(); addItemDataGrid.Hide(); sellButton.Hide(); damageButton.Hide(); lostButton.Hide(); }