How to change image

HI Friends,

PLease help me.I am beginner in Asp.Net. In the below screen shot  I am showing an image. I have put a file upload control. My requirement is when I click on BROWSE button, it is showing which file(here image ) to choose as usual. I want when I will click on SAVE CURRENT IMAGE button, the image will be reflected image box.

NOTE. in asp.net, there is no facility of OpenFileDialogue control .What to do??? Could anybody please help me????????

Thanks a lot.

bbpitha