In small shallow bowl, combine milk and egg; beat well. Place flour and bread crumbs in separate shallow bowls. Coat fish with flour; dip in egg mixture. Coat with bread crumbs.
In large skillet, combine 2 tablespoons of the butter, olive oil and garlic. Heat over medium heat until hot. Add halibut; cook 10 to 12 minutes or until golden brown and fish flakes easily with fork, turning once. Remove fish from skillet; cover to keep warm.
Add remaining 2 tablespoons butter, lime juice and cilantro to same skillet; stir to scrape up any brown bits from bottom. Add corn; cook 2 to 4 minutes or until thoroughly heated. Serve corn mixture over halibut.