asp.net - css background image error...A potentially dangerous Request.Path value was detected from the client (&) -


i'm developing website in asp.net , i'm having difficulty getting image appear in background path of image correct i've tested it. error getting is:

a potentially dangerous request.path value detected client (&).

description: unhandled exception occurred during execution of current web request. please review stack trace more information error , originated in code.

exception details: system.web.httpexception: potentially dangerous request.path value detected client (&).

source error: unhandled exception generated during execution of current web request. information regarding origin , location of exception can identified using exception stack trace below.

stack trace:
[httpexception (0x80004005): potentially dangerous request.path value detected client (&).]
system.web.httprequest.validateinputifrequiredbyconfig() +9561124 system.web.validaterequestexecutionstep.system.web.httpapplication.iexecutionstep.execute() +35
system.web.httpapplication.executestep(iexecutionstep step, boolean& completedsynchronously) +155

any great. thanks


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