razor - Back button referrer doesn't work - Javascript nor asp.net -


i have site has following framework: page = highest level. page b = next level.page c = lowest level.

page contains 10 links user can select take area of page b (done anchor hashes) when you're taken correct anchor hash area on page b, links shown links part of theme page b. link here takes specific, unique page c.

what want when user clicks (the 1 built in browser, not button on page) or nav tab return page b, user taken anchored position.

the problem: i've tried using javascript , razor, getting same issue: if user clicks navigation tab go page b, referrer works , takes user proper section of page b. if user clicks button, referrer not return page c link , cannot redirect user proper area on page b.

here's js script:

 var oldurl = document.referrer; if (oldurl.indexof("page") !== -1 ) {     window.location = //link proper anchor tab }

that didn't work, tried razor (not logic of redirect, see return):

string referer = request.urlreferrer.tostring(); @referer


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