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Asked: 2026-06-13T22:27:02+00:00

I have in input the string: 0080801D803480002A1168301FE16E09 and when i convert it to byteArray

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I have in input the string: “0080801D803480002A1168301FE16E09”
and when i convert it to byteArray with the code:

Convert.ToByte(inputWrite.Substring(i, 2), 16);

I get the byte array in first position = “0”, but i need to have “00”, so when i convert it again into a String a don’t get “08” but “00” at the begining.
i get in the and the string "080801D80348002A1168301FE16E9" and like this i’m missing some important 0, that i need to convert then from this last string to byte again and to decimal values.

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1 Answer

  1. Editorial Team

    Once you have your byes in an array, there’s no difference between 0 and 00.

    What you need to do is, when converting those bytes back to a string, make sure you put any leading zeros back in. You can do this by calling

    string byteAsTwoDigitString = myByte.ToString("X2");

    The X says “as hexadecimal”, the 2 says “with at least two digits”.

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