C Convert string from UTF-8 to ISO-8859-1 Latin1 H

Question

I have googled on this topic and I have looked at every answer  but I still don t get it   Basically I need to convert UTF-8 string to ISO-8859-1 and I do it using following code   Encoding iso   Encoding GetEncoding  ISO-8859-1    Encoding utf8   Encoding UTF8  string msg   iso GetString utf8 GetBytes Message      My source string is  Message                        But unfortunately my result string becomes  msg                                   What I m doing wrong here

User · Answer

You need to fix the source of the string in the first place.

A string in .NET is actually just an array of 16-bit unicode code-points, characters, so a string isn't in any particular encoding.

It's when you take that string and convert it to a set of bytes that encoding comes into play.

In any case, the way you did it, encoded a string to a byte array with one character set, and then decoding it with another, will not work, as you see.

Can you tell us more about where that original string comes from, and why you think it has been encoded wrong?

User · Answer

Try this   Encoding iso   Encoding GetEncoding  ISO-8859-1    Encoding utf8   Encoding UTF8  byte   utfBytes   utf8 GetBytes Message   byte   isoBytes   Encoding Convert utf8 iso utfBytes   string msg   iso GetString isoBytes

User · Answer

Here is a sample for ISO-8859-9   protected void btnKaydet Click object sender  EventArgs e        Response Clear        Response Buffer   true      Response ContentType    application vnd openxmlformatsofficedocument wordprocessingml documet       Response AddHeader  Content-Disposition    attachment  filename XXXX doc        Response ContentEncoding   Encoding GetEncoding  ISO-8859-9        Response Charset    ISO-8859-9       EnableViewState   false        StringWriter writer   new StringWriter        HtmlTextWriter html   new HtmlTextWriter writer       form1 RenderControl html         byte   bytesInStream   Encoding GetEncoding  iso-8859-9   GetBytes writer ToString         MemoryStream memoryStream   new MemoryStream bytesInStream         string msgBody           string Email    mail xxxxxx org       SmtpClient client   new SmtpClient  mail xxxxx org        MailMessage message   new MailMessage Email   mail someone com    ONLINE APP FORM WITH WORD DOC   msgBody       Attachment att   new Attachment memoryStream   XXXX doc    application vnd openxmlformatsofficedocument wordprocessingml documet        message Attachments Add att       message BodyEncoding   System Text Encoding UTF8      message IsBodyHtml   true      client Send message

User · Answer

Encoding targetEncoding   Encoding GetEncoding 1252      Encode a string into an array of bytes  Byte   encodedBytes   targetEncoding GetBytes utfString      Show the encoded byte values  Console WriteLine  Encoded bytes      BitConverter ToString encodedBytes       Decode the byte array back to a string  String decodedString   Encoding Default GetString encodedBytes

User · Answer

Seems bit strange code  To get string from Utf8 byte stream all you need to do is   string str   Encoding UTF8 GetString utf8ByteArray     If you need to save iso-8859-1 byte stream to somewhere then just use  additional line of code for previous   byte   iso88591data   Encoding GetEncoding  ISO-8859-1   GetBytes str

User · Answer

Just used the Nathan s solution and it works fine  I needed to convert ISO-8859-1 to Unicode   string isocontent   Encoding GetEncoding  ISO-8859-1   GetString fileContent  0  fileContent Length   byte   isobytes   Encoding GetEncoding  ISO-8859-1   GetBytes isocontent   byte   ubytes   Encoding Convert Encoding GetEncoding  ISO-8859-1    Encoding Unicode  isobytes   return Encoding Unicode GetString ubytes  0  ubytes Length

User · Answer

I think your problem is that you assume that the bytes that represent the utf8 string will result in the same string when interpreted as something else  iso-8859-1   And that is simply just not the case  I recommend that you read this excellent article by Joel spolsky

User · Answer

Use Encoding Convert to adjust the byte array before attempting to decode it into your destination encoding   Encoding iso   Encoding GetEncoding  ISO-8859-1    Encoding utf8   Encoding UTF8  byte   utfBytes   utf8 GetBytes Message   byte   isoBytes   Encoding Convert utf8  iso  utfBytes   string msg   iso GetString isoBytes

User · Answer

Maybe it can help Convert one codepage to another      public static string fnStringConverterCodepage string sText  string sCodepageIn    quot ISO-8859-8 quot   string sCodepageOut  quot ISO-8859-8 quot                 string sResultado   string Empty          try                       byte   tempBytes              tempBytes   System Text Encoding GetEncoding sCodepageIn  GetBytes sText               sResultado   System Text Encoding GetEncoding sCodepageOut  GetString tempBytes                     catch  Exception                        sResultado    quot  quot                     return sResultado         Usage  string sMsg    quot ERRO  N    o foi possivel acessar o servico de Autentica        o quot   var sOut   fnStringConverterCodepage sMsg   quot ISO-8859-1 quot   quot UTF-8 quot      Output   quot N  o foi possivel acessar o servico de Autentica    o quot

[c#] C# Convert string from UTF-8 to ISO-8859-1 (Latin1) H

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