Occour some unexpected result when sorting,Whtat to do?

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C#

var fileEntries = from f in Directory.GetFiles(Application.StartupPath + "/TrainedFaces/", "*.bmp", SearchOption.AllDirectories) let fi = new FileInfo(f) orderby fi.Name select fi.FullName;

There is some thing wrong When i put Face10,Face11 first it take face1 after it take Face10 so this is the problem

This is the output I want

[0] = "N:\FaceRecProOV - Copy (2)\FaceRecProOV\bin\Debug/TrainedFace/1\ 1.bmp"

[1] = "N:\FaceRecProOV - Copy (2)\FaceRecProOV\bin\Debug/TrainedFaces/2\ 2.bmp"

[2] = "N:\FaceRecProOV - Copy (2)\FaceRecProOV\bin\Debug/TrainedFaces/3\ 3.bmp"

[3] = "N:\FaceRecProOV - Copy (2)\FaceRecProOV\bin\Debug/TrainedFaces/4\ 4.bmp"

[4] = "N:\FaceRecProOV - Copy (2)\FaceRecProOV\bin\Debug/TrainedFaces/4\ 9.bmp"

[5] = "N:\FaceRecProOV - Copy (2)\FaceRecProOV\bin\Debug/TrainedFaces/4\ 10.bmp"

But it's give

[0] = "N:\FaceRecProOV - Copy (2)\FaceRecProOV\bin\Debug/TrainedFace/1\ 1.bmp"

[5] = "N:\FaceRecProOV - Copy (2)\FaceRecProOV\bin\Debug/TrainedFaces/4\ 10.bmp"

[1] = "N:\FaceRecProOV - Copy (2)\FaceRecProOV\bin\Debug/TrainedFaces/2\ 2.bmp"

What is wrong in the Code???

Posted 19-Sep-12 9:26am

harindup

Updated 19-Sep-12 9:35am

André Kraak

v2

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[no name] 19-Sep-12 15:27pm

There is nothing wrong with the code. That is exactly how strings are sorted.

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OriginalGriff · Accepted Answer · 2012-09-19T09:32:00

Solution 1

You need to implement a custom sort - a string "TEXT1" is later in the default sort order than "TEXT10", "TEXT11", "TEXT1 " and so on. I would suggest the easiest way is to parse your names, and insert the leading "0" on all single digit based names. Nasty - but there is no easy way AFAIK.

Posted 19-Sep-12 9:32am

OriginalGriff