Convert integer to hexadecimal and back again

Question

How can I convert the following?

2934 (integer) to B76 (hex)

Let me explain what I am trying to do. I have User IDs in my database that are stored as integers. Rather than having users reference their IDs I want to let them use the hex value. The main reason is because it's shorter.

So not only do I need to go from integer to hex but I also need to go from hex to integer.

Is there an easy way to do this in C#?

Answer 1

// Store integer 182 int intValue = 182; // Convert integer 182 as a hex in a string variable string hexValue = intValue.ToString("X"); // Convert the hex string back to the number int intAgain = int.Parse(hexValue, System.Globalization.NumberStyles.HexNumber); 

from http://www.geekpedia.com/KB8_How-do-I-convert-from-decimal-to-hex-and-hex-to-decimal.html

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HINT (from the comments):

Use .ToString("X4") to get exactly 4 digits with leading 0, or .ToString("x4") for lowercase hex numbers (likewise for more digits).