Question

How to get the decimal part of a number in VB.NET

Answer 1

Imports System

Public Class Program
	Public Shared Sub Main()
        Dim f As Single = 23.8901F
        Dim num = f - Math.Truncate(f)
		
        Console.WriteLine(num)
		
        Console.WriteLine(String.Format("{0:0.0000}", num))
    End Sub
End Class




' run:
'
' 0.890100479125977
' 0.8901
'

 

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Answer 2

Imports System
 
Public Class Program
    Public Shared Sub Main()
        Dim f As Single = 23.8901F
        Dim s = f.ToString()
         
		Console.WriteLine(s.Substring(s.IndexOf(".")))
        Console.WriteLine(s.Substring(s.IndexOf(".") + 1))
    End Sub
End Class
 
 
 
' run:
'
' .8901
' 8901
'

 

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