public List<InvoiceItem> SalesGroupedByInvoiceID(DateTime dateFrom, DateTime dateTo)
{
InvoiceItemHandler myHandler = new InvoiceItemHandler(); return myHandler.InvoiceItemsGroupedByInvoiceID(dateFrom, dateTo);
}
public List<InvoiceItem> Sales()
{
InvoiceItemHandler myHandler = new InvoiceItemHandler(); return myHandler.InvoiceItems();
}
public List<InvoiceItem> GetInvoiceItems(int InvoiceID)
{
InvoiceItemHandler myHandler = new InvoiceItemHandler(); return myHandler.GetInvoiceItemList(InvoiceID);
}
public bool AddinvoiceItem(InvoiceItem item)
{
InvoiceItemHandler myHandler = new InvoiceItemHandler(); return myHandler.InsertInvoiceItem(item);
}
public bool DeleteInvoiceItem(int InvoiceItemID)
{
InvoiceItemHandler myHandler = new InvoiceItemHandler(); return myHandler.DeleteInvoiceItem(InvoiceItemID);
}