Question

I know that view model can be used for rendering a view, but if a page needs different models, how can I pass them to the view? And how do I use them?

Answer 1

If you need to pass multiple models then create an all-encompassing model that has the smaller models hanging off as properties.

For instance, let’s say you are going to display a page for managing groups of users for your app. You would probably need to pass an IEnumerable<UserDisplayModel> and also an IEnumerable<GroupDisplayModel> to the view. Create a new display model like this:

class GroupManagementDisplayModel
{
    public IEnumerable<UserDisplayModel> Users { get; set; }
    public IEnumerable<GroupDisplayModel> Groups { get; set; }
}

Pass instances of this model to your view instead.