Convert bases decimal, hexadecimal, octal, and binary in C#

convert bases

It’s easy to convert bases if you use the Convert class’s ToInt64 and ToString methods. For example, the following statement parses the text in the TextBox named source and saves the result in the long variable value. The “16” means the method should parse the text as a base 16 (hexadecimal) value.

value = Convert.ToInt64(source.Text, 16);

The following code does the opposite: it converts the value in variable value into a hexadecimal string and displays it in the TextBox named txtHexadecimal.

txtHexadecimal.Text = Convert.ToString(value, 16)

To parse and display values in other bases, simply replace 16 with the base: 8 for octal and 2 for binary.

I told you it was easy!

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4 Responses to Convert bases decimal, hexadecimal, octal, and binary in C#

  1. David says:

    Hi guys,
    I use this hex to decimal converter and this decimal to hex converter to convert data
    They are pretty good!
    Hope this help

  2. Jean Hunteni says:

    Some have tried the hex to decimal converter and it seems up to the task. Some even say that they are amazing. Could be useful to try.

    – Jean Hunteni
    Resume working on my Projects.

  3. Doyle says:

    Hey thanks this is awesome! This eliminated so much useless code 🙂

  4. Bryan says:

    Thanks for the source code. You saved my day!

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