Sort List like Excel columns sort

Please consider this List:

"A", "C", "AB", "AD", "N", "Z", "AC"

I want to sort this string (That are being Excel column) like Excel Column Sorting.

I want the result like this:

"A", "C", "N", "Z", "AB", "AC", "AD"

Is it possible using LINQ OrderBy?

What is the best approach?

Thanks

asked Dec 28 '15 at 6:58

Arian

4,88650150248

If I were in your place I would have tried to sum the ascii code of the chars available and then sort it. For example A = 65, C = 67, ... AB = 65 + 66 = 131 and so on.
– Mohit Shrivastava
Dec 28 '15 at 7:05

3

Just to note: This order is called quasi-lexicographic order.
– Joey
Dec 28 '15 at 7:10

If you target .NET 4.5 (2012) or later, even if you tag this C# 4.0, and if you want to Sort the List<> in-place, you could use something like yourStringList.Sort(Comparer<string>.Create((x, y) => { var c = x.Length.CompareTo(y.Length); if (c != 0) { return c; } return x.CompareTo(y); }));. If the list may contain null values, you need to take care of that in the lambda of course.
– Jeppe Stig Nielsen
Dec 28 '15 at 7:30

@MohitShrivastava But that would make "AB" and "BA" equal.
– Jeppe Stig Nielsen
Dec 28 '15 at 7:33

Absolutely Right @JeppeStigNielsen. .OrderBy(p=>p.Length).ThenBy(p=>p); is the best way to do so. :)
– Mohit Shrivastava
Dec 28 '15 at 7:34

|
show 1 more comment

Please consider this List:

"A", "C", "AB", "AD", "N", "Z", "AC"

I want to sort this string (That are being Excel column) like Excel Column Sorting.

I want the result like this:

"A", "C", "N", "Z", "AB", "AC", "AD"

Is it possible using LINQ OrderBy?

What is the best approach?

Thanks

asked Dec 28 '15 at 6:58

Arian

4,88650150248

If I were in your place I would have tried to sum the ascii code of the chars available and then sort it. For example A = 65, C = 67, ... AB = 65 + 66 = 131 and so on.
– Mohit Shrivastava
Dec 28 '15 at 7:05

3

Just to note: This order is called quasi-lexicographic order.
– Joey
Dec 28 '15 at 7:10

If you target .NET 4.5 (2012) or later, even if you tag this C# 4.0, and if you want to Sort the List<> in-place, you could use something like yourStringList.Sort(Comparer<string>.Create((x, y) => { var c = x.Length.CompareTo(y.Length); if (c != 0) { return c; } return x.CompareTo(y); }));. If the list may contain null values, you need to take care of that in the lambda of course.
– Jeppe Stig Nielsen
Dec 28 '15 at 7:30

@MohitShrivastava But that would make "AB" and "BA" equal.
– Jeppe Stig Nielsen
Dec 28 '15 at 7:33

Absolutely Right @JeppeStigNielsen. .OrderBy(p=>p.Length).ThenBy(p=>p); is the best way to do so. :)
– Mohit Shrivastava
Dec 28 '15 at 7:34

|
show 1 more comment

Please consider this List:

"A", "C", "AB", "AD", "N", "Z", "AC"

I want to sort this string (That are being Excel column) like Excel Column Sorting.

I want the result like this:

"A", "C", "N", "Z", "AB", "AC", "AD"

Is it possible using LINQ OrderBy?

What is the best approach?

Thanks

asked Dec 28 '15 at 6:58

Arian

4,88650150248

Please consider this List:

"A", "C", "AB", "AD", "N", "Z", "AC"

I want to sort this string (That are being Excel column) like Excel Column Sorting.

I want the result like this:

"A", "C", "N", "Z", "AB", "AC", "AD"

Is it possible using LINQ OrderBy?

What is the best approach?

Thanks

c# linq sorting c#-4.0

asked Dec 28 '15 at 6:58

Arian

4,88650150248

asked Dec 28 '15 at 6:58

Arian

4,88650150248

asked Dec 28 '15 at 6:58

Arian

4,88650150248

asked Dec 28 '15 at 6:58

Arian

4,88650150248

asked Dec 28 '15 at 6:58

Arian

4,88650150248

If I were in your place I would have tried to sum the ascii code of the chars available and then sort it. For example A = 65, C = 67, ... AB = 65 + 66 = 131 and so on.
– Mohit Shrivastava
Dec 28 '15 at 7:05

3

Just to note: This order is called quasi-lexicographic order.
– Joey
Dec 28 '15 at 7:10

If you target .NET 4.5 (2012) or later, even if you tag this C# 4.0, and if you want to Sort the List<> in-place, you could use something like yourStringList.Sort(Comparer<string>.Create((x, y) => { var c = x.Length.CompareTo(y.Length); if (c != 0) { return c; } return x.CompareTo(y); }));. If the list may contain null values, you need to take care of that in the lambda of course.
– Jeppe Stig Nielsen
Dec 28 '15 at 7:30

@MohitShrivastava But that would make "AB" and "BA" equal.
– Jeppe Stig Nielsen
Dec 28 '15 at 7:33

Absolutely Right @JeppeStigNielsen. .OrderBy(p=>p.Length).ThenBy(p=>p); is the best way to do so. :)
– Mohit Shrivastava
Dec 28 '15 at 7:34

|
show 1 more comment

If I were in your place I would have tried to sum the ascii code of the chars available and then sort it. For example A = 65, C = 67, ... AB = 65 + 66 = 131 and so on.
– Mohit Shrivastava
Dec 28 '15 at 7:05

3

Just to note: This order is called quasi-lexicographic order.
– Joey
Dec 28 '15 at 7:10

If you target .NET 4.5 (2012) or later, even if you tag this C# 4.0, and if you want to Sort the List<> in-place, you could use something like yourStringList.Sort(Comparer<string>.Create((x, y) => { var c = x.Length.CompareTo(y.Length); if (c != 0) { return c; } return x.CompareTo(y); }));. If the list may contain null values, you need to take care of that in the lambda of course.
– Jeppe Stig Nielsen
Dec 28 '15 at 7:30

@MohitShrivastava But that would make "AB" and "BA" equal.
– Jeppe Stig Nielsen
Dec 28 '15 at 7:33

Absolutely Right @JeppeStigNielsen. .OrderBy(p=>p.Length).ThenBy(p=>p); is the best way to do so. :)
– Mohit Shrivastava
Dec 28 '15 at 7:34

If I were in your place I would have tried to sum the ascii code of the chars available and then sort it. For example A = 65, C = 67, ... AB = 65 + 66 = 131 and so on.
– Mohit Shrivastava
Dec 28 '15 at 7:05

Just to note: This order is called quasi-lexicographic order.
– Joey
Dec 28 '15 at 7:10

If you target .NET 4.5 (2012) or later, even if you tag this C# 4.0, and if you want to Sort the List<> in-place, you could use something like

yourStringList.Sort(Comparer<string>.Create((x, y) => { var c = x.Length.CompareTo(y.Length); if (c != 0) { return c; } return x.CompareTo(y); }));

. If the list may contain null values, you need to take care of that in the lambda of course.
– Jeppe Stig Nielsen
Dec 28 '15 at 7:30

If you target .NET 4.5 (2012) or later, even if you tag this C# 4.0, and if you want to Sort the List<> in-place, you could use something like

yourStringList.Sort(Comparer<string>.Create((x, y) => { var c = x.Length.CompareTo(y.Length); if (c != 0) { return c; } return x.CompareTo(y); }));

. If the list may contain null values, you need to take care of that in the lambda of course.
– Jeppe Stig Nielsen
Dec 28 '15 at 7:30

@MohitShrivastava But that would make "AB" and "BA" equal.
– Jeppe Stig Nielsen
Dec 28 '15 at 7:33

Absolutely Right @JeppeStigNielsen. .OrderBy(p=>p.Length).ThenBy(p=>p); is the best way to do so. :)
– Mohit Shrivastava
Dec 28 '15 at 7:34

|
show 1 more comment

2 Answers
2

active

oldest

votes

Update: Thanks @JeppeStigNielsen for correct comment, I add StringComparer.Ordinal to support in all cultures:

var result = List.OrderBy(p=>p.Length).ThenBy(p=>p,StringComparer.Ordinal);

edited Dec 28 '15 at 10:57

answered Dec 28 '15 at 7:00

Reza ArabQaeni

4,1942038

2

I thought a bit about it. That should be .ThenBy(p=>p, StringComparer.Ordinal) in the end. Otherwise it will depend on the current culture in a complex way. For example with Lithuanian (Lithuania) "lt-LT" you would have "Y" before "R" (the letter Y is collated between I and J in Lithuanian). Another example, in Czech (Czech Republic) "cs-CZ" we get "DI" before "CH" since CH is a digraph in Czech and comes after H in its collation. Test for yourself with StringComparer.Create(new CultureInfo("lt-LT"), false) etc.
– Jeppe Stig Nielsen
Dec 28 '15 at 8:54

add a comment |

First order by the length of column name ("C" comes before "AB"), then use normal alphabetical (string) sorting on strings with same length ("AC" before "AD").

var columns = new { "A", "C", "AB", "AD", "N", "Z", "AC" };

var sorted = columns.OrderBy(c => c.Length)

                    .ThenBy(c => c);

answered Dec 28 '15 at 7:01

Arghya C

6,24012342

add a comment |

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2 Answers
2

active

oldest

votes

2 Answers
2

active

oldest

votes

Update: Thanks @JeppeStigNielsen for correct comment, I add StringComparer.Ordinal to support in all cultures:

var result = List.OrderBy(p=>p.Length).ThenBy(p=>p,StringComparer.Ordinal);

edited Dec 28 '15 at 10:57

answered Dec 28 '15 at 7:00

Reza ArabQaeni

4,1942038

2

I thought a bit about it. That should be .ThenBy(p=>p, StringComparer.Ordinal) in the end. Otherwise it will depend on the current culture in a complex way. For example with Lithuanian (Lithuania) "lt-LT" you would have "Y" before "R" (the letter Y is collated between I and J in Lithuanian). Another example, in Czech (Czech Republic) "cs-CZ" we get "DI" before "CH" since CH is a digraph in Czech and comes after H in its collation. Test for yourself with StringComparer.Create(new CultureInfo("lt-LT"), false) etc.
– Jeppe Stig Nielsen
Dec 28 '15 at 8:54

add a comment |

Update: Thanks @JeppeStigNielsen for correct comment, I add StringComparer.Ordinal to support in all cultures:

var result = List.OrderBy(p=>p.Length).ThenBy(p=>p,StringComparer.Ordinal);

edited Dec 28 '15 at 10:57

answered Dec 28 '15 at 7:00

Reza ArabQaeni

4,1942038

2

I thought a bit about it. That should be .ThenBy(p=>p, StringComparer.Ordinal) in the end. Otherwise it will depend on the current culture in a complex way. For example with Lithuanian (Lithuania) "lt-LT" you would have "Y" before "R" (the letter Y is collated between I and J in Lithuanian). Another example, in Czech (Czech Republic) "cs-CZ" we get "DI" before "CH" since CH is a digraph in Czech and comes after H in its collation. Test for yourself with StringComparer.Create(new CultureInfo("lt-LT"), false) etc.
– Jeppe Stig Nielsen
Dec 28 '15 at 8:54

add a comment |

Update: Thanks @JeppeStigNielsen for correct comment, I add StringComparer.Ordinal to support in all cultures:

var result = List.OrderBy(p=>p.Length).ThenBy(p=>p,StringComparer.Ordinal);

edited Dec 28 '15 at 10:57

answered Dec 28 '15 at 7:00

Reza ArabQaeni

4,1942038

Update: Thanks @JeppeStigNielsen for correct comment, I add StringComparer.Ordinal to support in all cultures:

var result = List.OrderBy(p=>p.Length).ThenBy(p=>p,StringComparer.Ordinal);

edited Dec 28 '15 at 10:57

answered Dec 28 '15 at 7:00

Reza ArabQaeni

4,1942038

edited Dec 28 '15 at 10:57

answered Dec 28 '15 at 7:00

Reza ArabQaeni

4,1942038

answered Dec 28 '15 at 7:00

Reza ArabQaeni

4,1942038

answered Dec 28 '15 at 7:00

Reza ArabQaeni

4,1942038

2

I thought a bit about it. That should be .ThenBy(p=>p, StringComparer.Ordinal) in the end. Otherwise it will depend on the current culture in a complex way. For example with Lithuanian (Lithuania) "lt-LT" you would have "Y" before "R" (the letter Y is collated between I and J in Lithuanian). Another example, in Czech (Czech Republic) "cs-CZ" we get "DI" before "CH" since CH is a digraph in Czech and comes after H in its collation. Test for yourself with StringComparer.Create(new CultureInfo("lt-LT"), false) etc.
– Jeppe Stig Nielsen
Dec 28 '15 at 8:54

add a comment |

2

I thought a bit about it. That should be .ThenBy(p=>p, StringComparer.Ordinal) in the end. Otherwise it will depend on the current culture in a complex way. For example with Lithuanian (Lithuania) "lt-LT" you would have "Y" before "R" (the letter Y is collated between I and J in Lithuanian). Another example, in Czech (Czech Republic) "cs-CZ" we get "DI" before "CH" since CH is a digraph in Czech and comes after H in its collation. Test for yourself with StringComparer.Create(new CultureInfo("lt-LT"), false) etc.
– Jeppe Stig Nielsen
Dec 28 '15 at 8:54

I thought a bit about it. That should be .ThenBy(p=>p, StringComparer.Ordinal) in the end. Otherwise it will depend on the current culture in a complex way. For example with Lithuanian (Lithuania) "lt-LT" you would have "Y" before "R" (the letter Y is collated between I and J in Lithuanian). Another example, in Czech (Czech Republic) "cs-CZ" we get "DI" before "CH" since CH is a digraph in Czech and comes after H in its collation. Test for yourself with StringComparer.Create(new CultureInfo("lt-LT"), false) etc.
– Jeppe Stig Nielsen
Dec 28 '15 at 8:54

add a comment |

First order by the length of column name ("C" comes before "AB"), then use normal alphabetical (string) sorting on strings with same length ("AC" before "AD").

var columns = new { "A", "C", "AB", "AD", "N", "Z", "AC" };

var sorted = columns.OrderBy(c => c.Length)

                    .ThenBy(c => c);

answered Dec 28 '15 at 7:01

Arghya C

6,24012342

add a comment |

First order by the length of column name ("C" comes before "AB"), then use normal alphabetical (string) sorting on strings with same length ("AC" before "AD").

var columns = new { "A", "C", "AB", "AD", "N", "Z", "AC" };

var sorted = columns.OrderBy(c => c.Length)

                    .ThenBy(c => c);

answered Dec 28 '15 at 7:01

Arghya C

6,24012342

add a comment |

First order by the length of column name ("C" comes before "AB"), then use normal alphabetical (string) sorting on strings with same length ("AC" before "AD").

var columns = new { "A", "C", "AB", "AD", "N", "Z", "AC" };

var sorted = columns.OrderBy(c => c.Length)

                    .ThenBy(c => c);

answered Dec 28 '15 at 7:01

Arghya C

6,24012342

First order by the length of column name ("C" comes before "AB"), then use normal alphabetical (string) sorting on strings with same length ("AC" before "AD").

var columns = new { "A", "C", "AB", "AD", "N", "Z", "AC" };

var sorted = columns.OrderBy(c => c.Length)

                    .ThenBy(c => c);

answered Dec 28 '15 at 7:01

Arghya C

6,24012342

answered Dec 28 '15 at 7:01

Arghya C

6,24012342

answered Dec 28 '15 at 7:01

Arghya C

6,24012342

answered Dec 28 '15 at 7:01

Arghya C

6,24012342

add a comment |

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