How to apply background image to body of the asp.net

[Nibessend]

I want to apply background image to the body of asp.net page.I have tried like this:\[code\]body{ font-family: sans-serif; font-weight:bold; background-image:url('C:\Users\ARCHANA\Downloads\Opera-Background-Blue-Swirls.jpg');} \[/code\]Its is getting applied in the design part, but when I run the application, the image is not applied. I cant figure out what is the problem. Can anyone kindly help me. Thankyou in advance.