click on left side link baar, open page in right side baar.

Question

Hey Hiii Please help me. I'm trying to create navigation baar. Like when ever I will click on left side link baar than open that page in right side baar please suggest. and if posible please give me code to implement these thing. Becouse i am trying do UI part with my self. I am c# developer but i never ever do these think, that why facing this issue or im not web designer so if any web designer is there please help me.