int to hex string

Question

I need to convert an int to hex string   When converting 1400   gt  578 using ToString  X   or ToString  X2   but I need it like 0578    Can anyone provide me the IFormatter to ensure that the string is 4 chars long

User · Accepted Answer

Use ToString  X4     The 4 means that the string will be 4 digits long   Reference  The Hexadecimal   X   Format Specifier on MSDN

User · Answer

Try the following   ToString  X4     See The X format specifier on MSDN

User · Answer

Try C  string interpolation introduced in C  6   var id   100  var hexid     0x id X      hexid value    0x64

User · Answer

Previous answer is not good for negative numbers  Use a short type instead of int          short iValue   -1400          string sResult   iValue ToString  X2            Console WriteLine  Value  0  Result  1    iValue  sResult     Now result is FA88

[c#] int to hex string

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