Ethernet Shield

Can you program a Mega 2560 with an Ethernet Shield?

Can you program a Mega 2560 with an Ethernet Shield?

Yes. Depending, of course on what you want the Arduino to do.

If you mean programming an Arduino via the ethernet shield, that is a different story, and different answer. That answer, for obvious reasons, is no.

So I can upload my sketch via the Ethernet shield?

So I can upload my sketch via the Ethernet shield?

No. The ethernet shield is an add-on that requires code running on the Arduino to function. That shield can not function while the Arduino sketch is being replaced. If the shield is not functioning, you can't upload the new sketch.

Thanks