Use ToString("X4") . The 4 means that the string will be 4 digits long. Reference: The Hexadecimal ("X") Format Specifier on MSDN. ... <看更多>

Format("Hexadecimal: byte2: {0:x2}; byte4: {0:X4}; char: {1:x2}", 123, (int)'A'); // Integers with thousand separators string. ... <看更多>

hex string to byte array. public static byte[] HexToByte(string hexString). {. byte[] byArray = new byte[hexString.Length / 2];. for (int i = 0; ... ... <看更多>

Numbers are numbers. You mean you want to convert its human-readable form from decimal to hexadecimal? Meaning you're dealing with the string ... ... <看更多>

More : http://dotnet4free.blogspot.comstring to hex conversion in c#. ... <看更多>

Fast unsigned integer to hex string ... the need for symmetry forced me to write an algorithm to convert unsigned integers to hex strings. ... <看更多>