Why aren't my triggers firing during an insert by SSIS?

Question

I have an SSIS data flow task with an OLE DB Destination component that inserts records into a table with a trigger. When I execute a normal INSERT statement a

Answer 1

complementing ladenedge's answer.

Because the OLE DB Destination task uses a bulk insert, triggers are not fired by default

that is true when you have the "fast load" option selected.

If you change it to a regular "table or view" data access mode, your triggers should fire normally because the insert is done row-by-row