Whats The cartoon with the boy and the dog and The Dog's catchphrase is "But Davey"?

[OreOSundeA]

Whats The cartoon with the boy and the dog and The Dog's catchphrase is "But Davey"?

Its about a boy and a dog. The dog's cathchphrase is always "But Davey....". I don't know what the name of the cartoon is.

Thanks