byte b =10;
string s = b.ToString("X"); //10->A
byte b = 10;
string s = b.ToString("x"); /10->a
byte b = 10;
string s = b.ToString("X2"); //10->0A
byte b =10;
string s = b.ToString("x2"); //10->0a
byte b =10;
string s = b.ToString("X"); //10->A
byte b = 10;
string s = b.ToString("x"); /10->a
byte b = 10;
string s = b.ToString("X2"); //10->0A
byte b =10;
string s = b.ToString("x2"); //10->0a