A list contains a structure like that:
ColumnA
0+ABC
0-ABC
0001
0002
0003
0004
then sort the list using order by like list. OrdeBy(o=>o.ColumnA).ToList(), the below is the result:
0+ABC
0001
0002
0003
0004
0-ABC
So the question is why “0+ABC” at the top of the list but “0-ABC” is put to the end. it looks like linq sort “+” and “–” using different methods.
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SOLUTION
It seems that the “Linguistic comparison” is used [https://docs.microsoft.com/en-us/dotnet/csharp/how-to/compare-strings#linguistic-comparisons].
Try adding “00-01” and “0-002” to your list and check the result.
To change the bahaviour, try, for example, list.OrderBy( o => o.ColumnA, CultureInfo.InvariantCulture.CompareInfo.GetStringComparer( CompareOptions.StringSort ) ).ToList( ).
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