private void mnuEditDelete_Click(object sender, EventArgs e)
{
Nullable <Guid> selectedId = UIHelper.GetSelectedRowId(
grdCustomers,
EntityReader <Customer> .GetPropertyName(p => p.CustomerId, true),
true);
Customer customer = _customerCache[selectedId.Value];
if (UIHelper.AskQuestion(
"Deleting a customer will delete all the data associated with this customer. Are you sure you want to delete the selected customer?")
!= DialogResult.Yes)
{
return;
}
_customerCache.Delete(selectedId.Value);
Refresh(false);
_unsavedChanges = true;
}