private void ItemForm_Load(object sender, EventArgs e)
{
uow = new EfUnitOfWork();
comboBoxBrand.SelectedIndexChanged -= comboBoxBrand_SelectedIndexChanged;
UiHelper.LoadBrands(comboBoxBrand);
comboBoxBrand.SelectedIndexChanged += comboBoxBrand_SelectedIndexChanged;
UiHelper.LoadAgents(comboBoxAgent);
UiHelper.LoadConditions(comboBoxCondition);
UiHelper.LoadLocations(comboBoxLocation);
UiHelper.LoadItems(dataGridViewItems);
}
static UiHelper()
{
if (uow == null)
uow = new EfUnitOfWork();
}