แปลงหน่วย ไบต์ เป็น เมก คือผมมี script upload (เอามาจากเว็บนี้หล่ะครับ)

<%
Function ConvertBytes(ByRef anBytes)
    Dim lnSize          ' File Size To be returned
    Dim lsType          ' Type of measurement (Bytes, KB, MB, GB, TB)
    
    Const lnBYTE = 1
    Const lnKILO = 1024                     ' 2^10
    Const lnMEGA = 1048576                  ' 2^20
    Const lnGIGA = 1073741824               ' 2^30
    Const lnTERA = 1099511627776            ' 2^40
    '    Const lnPETA = 1.12589990684262E+15        ' 2^50
    '    Const lnEXA = 1.15292150460685E+18        ' 2^60
    '    Const lnZETTA = 1.18059162071741E+21    ' 2^70
    '    Const lnYOTTA = 1.20892581961463E+24    ' 2^80
    
    If anBytes = "" Or Not IsNumeric(anBytes) Then Exit Function
    
    If anBytes < 0 Then Exit Function   
'    If anBytes < lnKILO Then
'        ' ByteConversion
'        lnSize = anBytes
'        lsType = "bytes"
'    Else        
        If anBytes < lnMEGA Then
            ' KiloByte Conversion
            lnSize = (anBytes / lnKILO)
            lsType = "kb"
        ElseIf anBytes < lnGIGA Then
            ' MegaByte Conversion
            lnSize = (anBytes / lnMEGA)
            lsType = "mb"
        ElseIf anBytes < lnTERA Then
            ' GigaByte Conversion
            lnSize = (anBytes / lnGIGA)
            lsType = "gb"
        Else
            ' TeraByte Conversion
            lnSize = (anBytes / lnTERA)
            lsType = "tb"
        End If
'    End If
    ' Remove fraction
    'lnSize = CLng(lnSize)
    lnSize = FormatNumber(lnSize, 2, True, False, True)
    
    ' Return the results
    ConvertBytes = lnSize & " " & lsType
End Function
'<-----------------------จบส่วนฟังก์ชั่นที่เพิ่มเข้าไป--------------------------->

'  Variables
'  *********
   Dim mySmartUpload
   Dim file
   Dim intCount
   intCount=0
        
'  Object creation
'  ***************
   Set mySmartUpload = Server.CreateObject("aspSmartUpload.SmartUpload")

'  Upload
'  ******
   mySmartUpload.Upload

'  Select each file
'  ****************
   For each file In mySmartUpload.Files
   '  Only if the file exist
   '  **********************
      If not file.IsMissing Then
      '  Save the files with his original names in a virtual path of the web server
      '  ****************************************************************************
         file.SaveAs(Server.MapPath("Upload/" & file.FileName))
         ' sample with a physical path 
         ' file.SaveAs("c:\temp\" & file.FileName)
		Size1 = ConvertBytes(file.Size) '<------ สั่งให้คำนวน
      '  Display the properties of the current file
      '  ******************************************
         Response.Write("Name = " & file.Name & "<BR>")
         Response.Write("Size = " & Size1 & "<BR>") '<------ แสดงขนาดที่คำนวนแล้ว
         Response.Write("FileName = " & file.FileName & "<BR>")
         Response.Write("FileExt = " & file.FileExt & "<BR>")
         Response.Write("FilePathName = " & file.FilePathName & "<BR>")
         Response.Write("ContentType = " & file.ContentType & "<BR>")
         Response.Write("ContentDisp = " & file.ContentDisp & "<BR>")
         Response.Write("TypeMIME = " & file.TypeMIME & "<BR>")
         Response.Write("SubTypeMIME = " & file.SubTypeMIME & "<BR>")
         intCount = intCount + 1
      End If
   Next

'  Display the number of files which could be uploaded
'  ***************************************************
   Response.Write("<BR>" & mySmartUpload.Files.Count & " files could be uploaded.<BR>")

'  Display the number of files uploaded
'  ************************************
   Response.Write(intCount & " file(s) uploaded.<BR>")
%>