In a large bowl, season the corn, squash, onions and peppers with olive oil and salt and pepper to taste. Grill veggies in a veggie basket for 10 to 15 minutes, turning frequently until lightly charred, tender and fully cooked. Remove from grill and set aside to slightly cool.
Grill sausages for 8 to 10 minutes, turning frequently until lightly charred and heated through. Remove from grill and set aside to slightly cool. Slice grilled sausages into ½-inch-thick rounds.
Using a sharp knife, remove the corn kernels from cobs. Place kernels in a large serving bowl. Add the grilled squash, peppers, onions and sausages to the corn. Add the cheese, herbs and green onions.
In a bowl, whisk together the vinegar, grainy mustard, yellow mustard, beer, olive oil and honey; season to taste with salt and pepper. Drizzle the salad with the dressing and season with salt & pepper to taste. Mix well and serve immediately.