The best replacement for response.redirect is server.transfer.

The best alternatives to response.redirect are rated as following:
★★★★★  server.transfer
★★★★  response.redirectlocation
★★★★  server.execute
★★★★  response.redirect permanent
★★  server.transfer msdn
★  window.location
★  redirecttoaction
★  window.location.href

Your alternative for response.redirect is not listed? Suggest!
Speaking about response.redirect, one probably shouldn't forget about query string in asp.net.

Other search terms related to response.redirect and their ratings are:
★★★★★ query string in asp.net
★★★ multiple parameters
You have in mind a companion for response.redirect and it is not yet here? Propose!



Google Trends

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response.redirect
server.transfer
response.redirectlocation