Asp. NET URL encoding decoding

Today encountered the problem of URL encoding decoding, tangled up the time of the day, the results on the Internet to find that too two of us.

Colleagues write code to encode and decode the URL with Httputility.urlencode, local testing no problem, deployed to the server on the prompt transcoding failed to see the problem found transcoding when the "+" turned into a "%", but the decoding when the "%" to replace the "" "Space, Finally on the Internet to check the next many netizens have encountered this problem,

Finally, the way to replace the Httputility.urlencode is OK.

var email= "15586757225";

string after = uri.escapedatastring (email);

string before = Uri.unescapedatastring (after);

Asp. NET URL encoding decoding