I have list questions (about 1000 questions in a Model). I want to render 100 questions first on view after user scroll down will render 100 next questions.
Do you know how to make this?
You are looking for an infinite scroll implementation of which there are many
I'd probably look to Rob Conery's blog on scroll just in time first, which he calls bottomless scrolling. It uses jquery and basically fires an ajax request for more based on a height calculation while you scroll.
but there are many more examples Infinitescroll, Infinite scroll with mvc4, Infinite scroll with mvc...