ISO-8859-1 decode vb.net

I'm having problems decoding a file with "ISO-8859-1" encoding.

For example, I 开发者_StackOverflowcan't decode "%E7" to "ç". Can you help me?

P.S.: I'm using VB.NET

Thanks, Pedro

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%E7 is not a string that's encoded in 8859-1. It looks like URL encoding. Use HttpUtility.UrlDecode(str, Encoding.GetEncoding("iso-8859-1"))