How to change the encoding of the text file from UTF-8 to various other encodings like hexadecimal & decimal entities

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VS2010

Hi Everyone,

I am reading the a HTML file through "StreamReader". How can I change the encoding of the HTML file from UTF-8 to various other encoding like hexadecimal & decimal entities.

All the suggestions are appreciated.

Look forward to hear your thoughts.

Warm regards,
Himanshu

Posted 6-Apr-15 22:03pm

Himanshu Kimni

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Himanshu Kimni 7-Apr-15 5:38am

Thanks for your comment. Basically I am looking forward for the entity conversion option through which I can convert the UTF-8 entities to hexadecimal/character/html entity.

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OriginalGriff · Answer 1 · 2015-04-06T22:25:00

Firstly, UTF-8 is an encoding, but "hexadecimal" and "decimal" aren't: they are numeric formats, which may or may not be contained in your file.

If you mean that your file contains groups of numbers in a text format:

1234,1A7F
5678,00FF
...

And you want to convert them into numeric values that you can manipulate mathematically, then you have to separate each number, and parse it.
For hexadecimal values:

C#

string inp = "1A7F";
int x = Convert.ToInt32(inp, 16);

For decimal values:

C#

string inp = "1234";
int x = int.Parse(inp);

Or

C#

string inp = "1234";
int x;
if (int.TryParse(inp, out x))
    {
    ...
    }