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();
}
