wpf - VB.net: How to format money/numbers? -

i not know how come code format numbers.

example:  input textbox : 1000 result in textbox2: 1k  example:  input textbox : 1000000 result in textbox2: 1m  example:  input textbox : 1000000000 result in textbox2: 1b  example:  input textbox : 2147483647 result in textbox2: 2.147483647b example:  input textbox : 583967 result in textbox2: 583.967k 

how do that? please help!!

this can achieved conditional arithmetic grouping

imports system  public module module1     public sub main()         dim input ulong         console.write("enter number: ")         input = convert.touint64(console.readline())         console.writeline(formatnumber(input))     end sub      public function formatnumber(byval input ulong) string         dim result string = input.tostring()          if input >= 1000000000             result = string.format("{0}b", input / 1000000000)          else if input >= 1000000             result = string.format("{0}m", input / 1000000)         else if input > 1000             result = string.format("{0}k", input / 1000)         end if          return result     end function end module 

results:

enter number: 123000000000 123b 

demo