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Re: Can not get proper utf8 text
Posted by: Robert Lee
Date: June 09, 2011 10:28AM

While waiting for a pure MySQL solution, I wrote some C# code to clear this double-encoding mess. It works on raw string data from the remote database without calling any MySQL string conversion function. Hopefully this could help other C# users facing the similar problem.

C# code:
. Debug.Print("raw string (unicode): " + datatbl.Rows[j]);
. byte[] barr = Encoding.Convert(Encoding.Unicode, Encoding.UTF8, Encoding.Unicode.GetBytes(datatbl.Rows[j].ToString()));
. Debug.Print(" > utf8 hex value: " + BitConverter.ToString(barr));
. barr = Encoding.Convert(Encoding.UTF8, Encoding.GetEncoding(1252), barr);
. Debug.Print(" > latin1 hex value: " + BitConverter.ToString(barr));
. string str = Encoding.Unicode.GetString(Encoding.Convert(Encoding.UTF8, Encoding.Unicode, barr));
. Debug.Print(" > unicode string: " + str);

.raw string (unicode): 内間
. > utf8 hex value: C3-A5-E2-80-A0-E2-80-A6-C3-A9-E2-80-93-E2-80-9C
. > latin1 hex value: E5-86-85-E9-96-93
. > unicode string: 内間

Note: When converting utf8 to latin-1, ISO8859 won't work. Must use Windows Code Page 1252.


Edited 1 time(s). Last edit at 06/09/2011 11:09AM by Robert Lee.

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Re: Can not get proper utf8 text
June 09, 2011 10:28AM

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