Thursday, July 24, 2014

Escaping '&' (ampersand) in razor view engine

Recently I ran into a really annoying problem with the razor view engine -
I was generating some url's on the server side, and trying to print them inside html tag attributes like 'href' or 'src'.

The problem was that all the ampersands ('&') were being encoded to '&'.
First thing I tried to do was print it out using the Html 'Raw' helper method, like this :
Some Link

This didn't work... :/
The weird thing about this was that when I searched the internet and found questions on stackoverflow, some people wrote that Html.Raw() worked for them and some said it didn't.

After a little more research (mostly based on some trial & error), I realized that razor will always encode strings inserted in attribute values. This is done for security reasons. The proper workaround is to simply put the whole tag inside the 'Raw()' method, like this:
@Html.Raw("Some Link)

This basically tells razor - "I know what I'm doing, just let me do it my way!" :)


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