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VB.Net Getting file size in MBs/KB's

Posted on 2012-12-26
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Last Modified: 2012-12-26
Hi Experts.  
Can some please explain why I keep getting the answer 13 when the actual file size is 1.3G and how I would get MB's and KB's

Dim filename As String
filename = ("C:\backup.pst")
MsgBox(filename.Length)

I've tried converting to integer and long but then I just get 0

Thanks
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Question by:PNRT
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käµfm³d   👽 earned 2000 total points
ID: 38721552
Because you are asking for the length of a string. "C:\backup.pst" is 13 characters in length. To get file size do:

Dim info As New System.IO.FileInfo(@"C:\backup.pst")
MsgBox(info.Length)

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LVL 75

Expert Comment

by:käµfm³d 👽
ID: 38721564
P.S.

The Length property will give you the count of bytes for the file. To convert to human quantities you will have to do a bit of math:

info.Length / 1024  ' kilobytes
info.Length / 1048576 ' megabytes
info.Length / 1073741824 ' gigabytes

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