C# order by number in string

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Web在對我的ASP.NET API項目感到沮喪之后，我決定將其重建為一個較舊的WebApi 項目。我正在嘗試從LINQ查詢中生成個字符串的集合的列表最初是個元素的字符串數組的列表，現在是字符串列表的列表。這是我在ASP.NET 項目中按預期工作的偽代碼：這個新項目在查詢中被cho住了，理由 WebJan 13, 2024 · In the above example code return a list of numbers ordered by numbers but if you want have list of file names that ordered by name better you put in same zero to beginning of the numbers like "some-name-(001).jpg" and you can simply order that . List strings = new List { "some-name-(001).jpg", "some-name …

C# - Custom method of sorting strings - CSharp Academy

WebSep 15, 2010 · Sorted by: 19 Option 1: implement IComparer and parse the Code within that Option 2: use LINQ to do the same thing: customerList = customerList.OrderBy (c => int.Parse (c.Code)).ToList (); Option 3: change the Customer class so that a numeric value is stored as a numeric type :) WebJul 18, 2024 · You can try with a combination of String.Join, OrderBy and int.Parse like the following: numbers= String.Join (";", numbers.Split (';').OrderBy (x=> int.Parse (x))); You can check this working example as well Share Improve this answer Follow answered Jul 18, 2024 at 4:13 sujith karivelil 28.4k 6 55 86 Add a comment 0 fit in wiso 2

How does OrderBy work with regard to strings in C#?

WebThanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers. WebAs values are stored as string into the database you just have to write OrderBy (e=> e). The code below proves this works: string [] items = {"4B", "1A", "1", "1B", "2", "4C", "4"}; items.OrderBy (e=> e) Share Improve this answer Follow answered Jun 22, 2015 at 18:58 JiBéDoublevé 4,075 4 35 56 Add a comment Your Answer Post Your Answer WebOct 13, 2024 · We can achieve it in different ways, however in this article I’d like to show two most popular. 1. List.Sort (); Sort method is available against List objects and by … fit in wise

c# - sort string-numbers - Stack Overflow

c# - orderby () containing numbers and letters - Stack Overflow

WebSep 15, 2024 · C#. class OrderbySample1 { static void Main() { // Create a delicious data source. string[] fruits = { "cherry", "apple", "blueberry" }; // Query for ascending sort. … WebAdd a comment. 6. Alphabetically, 1 comes before 2. Whenever you see the first method, it's not because it's desirable, but because the sorting is strictly alphabetical (and happens left-to-right, one character at a time): 1, 2, 10 makes sense to you but not to a computer that only knows alphabetic comparison. can hot air baloons be used for travelWebApr 2, 2012 · To extract the number from each string, the simplest way I think is to use a regular expression - look for a match for (\d+) (if you have negative or decimal numbers, you'll have to use a different regular expression). Let's say you did that in a function … fit in with 什么意思

"WebSep 15, 2024 · In a query expression, the orderby clause causes the returned sequence or subsequence (group) to be sorted in either ascending or descending order. Multiple keys can be specified in order to perform one or more secondary sort operations. The sorting is performed by the default comparer for the type of the element. " - C# order by number in string

C# order by number in string

Orderby () not ordering numbers correctly c# - Stack Overflow

WebSep 24, 2024 · Order alphanumeric string numerically, and then by prefix/suffix. I have a complicated sorting pattern to replicate, and my solution seems a bit hamfisted. My input is a list of numbers that can have several letters as a suffix and prefix both are only letter ('aaa', 'aab', 'ac' etc). I need to sort numerically, then sort by suffix (if there is ... WebStep 1: Push all Strings of length 2 to the end of the array. Keeping track of how many you have. Step 2: In place sort the Strings of length 1 and Strings of length 2. Step 3: Binary search for 'a' which would be on the boundary of your two halves. Step 4: Swap your two digit Strings with the letters as necessary.

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WebIf you are using plain LINQ-to-objects and don't want to take a dependency on an external library it is not hard to achieve what you want. The OrderBy() clause accepts a Func that gets a sort key from a source element. You can define the function outside the OrderBy() clause:. Func orderByFunc = null; WebJul 25, 2013 · You could add the string with a format specifier that adds the character for zero like this. tem.Add(string.Format("{0:D3}", dr["TransTime"])); and have your output correctly sorted (unless you have numbers of 4 digits and more) EDIT: Example using a List(Of Integer) instead of a List(Of String) and put the result in a textbox

WebJul 17, 2005 · There are several ways to order strings in the numeric natural order. The problem is when a list of N items is sorted using quick sort then the Compare function will be called more than N times which means that it would be nice to optimize the implementation if any. The first version of my code used another implementation (see below). WebMar 27, 2014 · The ".OrderBy" function utilizes the default comparer for a string. That comparer is not necessarily going to return a sort order based on the ASCII code. For a list of all the different string comparers, see the article on MSDN. Share Improve this answer Follow answered Mar 27, 2014 at 22:17 BradleyDotNET 60k 10 100 116 Add a comment …

WebThere are several ways to order strings in the numeric natural order. The problem is when a list of N items is sorted using quick sort then the Compare function will be called more … WebSep 15, 2024 · C# string[] words = { "the", "quick", "brown", "fox", "jumps" }; IEnumerable query = from word in words orderby word.Substring (0, 1) descending select word; foreach (string str in query) Console.WriteLine (str); /* This code produces the following output: the quick jumps fox brown */ Secondary Sort Examples Secondary …

WebJan 25, 2024 · It adds complexity to the code, it is less concise, it's less efficient, there is literally nothing but disadvantages here. List ListaServizi = new List () { }; ListaServizi.Sort (); Other answers are correct to suggest Sort, but they seem to have missed the fact that the storage location is typed as IList fit in with the team synonymWebAug 12, 2015 · Using reflection and expression-trees you can provide the parameters and then call OrderBy function, Instead of returning Expression> and then calling OrderBy.. Note that OrderBy is an extension method and has implemented in both System.Linq.Enumarable and System.Linq.Queryable classes. The first one is for linq-to … fit in with the environmentWebMay 13, 2011 · var listOfRfidTags = uow.RfidTags.ToList (); var orderedListOfRfidTags = listOfRfidTags.OrderBy (t => Convert.ToInt32 (t.Number)); (yes it is possible to combine this into one line, but shown here on two lines for clarity.) Good luck! Share Improve this answer Follow answered May 12, 2011 at 22:11 Funka 4,268 2 23 27 can hot air balloons popWebTo get what you want, you need to pad the numeric portion in your order by clause, something like: var result = partNumbers.OrderBy (x => PadNumbers (x)); where PadNumbers could be defined as: public static string PadNumbers (string input) { return Regex.Replace (input, " [0-9]+", match => match.Value.PadLeft (10, '0')); } can hot air balloons fly todayWebAug 14, 2013 · The problem is that you are trying to sort strings as if they were numbers - that doesn't work, because the sort order is different. With strings, the sort order goes: ... You'll have to split the strings and order them as … can hot air cause a fireWebJan 28, 2014 · var ordered = Database.Cars.ToList ().OrderBy (c => c.ModelString, new AlphanumComparator ()); Note that the list must be in memory. If you get the C# version, do this: AlphanumComparator : IComparer and public int Compare (string x, string y) Share Improve this answer Follow edited Jan 28, 2014 at 4:15 answered Aug 16, 2012 at … fit in with the crowdWebORDER BY REPLACE (STR (ColName, 3), SPACE (1), '0') This formula will provide leading zeroes based on the Column's length of 3. This functionality is very useful in other situations outside of ORDER BY, so that is why I wanted to provide this option. Results: 1 becomes 001, and 10 becomes 010, while 100 remains the same. fit in with sb