C# int list to comma separated string

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WebMay 19, 2024 · Everything works, even without the HasFlag method. The difference comes if we get the string value of that variable: now it returns 9, because it’s getting directly the numeric value.. If we put the Flags attribute, everything changes: the string value will be Water, RedWine, so the comma-separated list of their values.. This makes sense only … WebDescription. You can use the String.Join and the Enumerable.Select (namespace System.Linq) method. String.Join Concatenates all the elements of a string array, using the specified separator between each element. Enumerable.Select Projects each element of a sequence into a new form.

Fastest way to convert a list of objects to csv with each object …

WebDec 1, 2009 · 3. If you don't have to worry about rules for various countries (eg. some use comma as decimal position instead of thousands separator), then just strip out the commas first. e.g. string nastyNumber = "1,234"; int result = int.Parse (nastyNumber.Replace (",", "")); (replace int with double if you need floating point) WebFeb 2, 2016 · 8 Answers. List list = ...; string.Join (",", list.Select (n => n.ToString ()).ToArray ()) Clever but slow and bloated, as it allocates one string per element. Using a StringBuilder would be much more efficient. From what I saw online (quick search) … hifi repairs edinburgh bruntsfield

Convert a list of integers into a comma-separated string

WebAs ed replied in the comment you can use the TextFieldParser class by passing the string in the constructor. Another way would be to use regular expressions to solve it. WebMay 26, 2010 · A solution would be to return integerArray.First () + integerArray.Skip (1).Aggregate ("", (accumulator, piece) => accumulator + "," + piece); – Razvan Jul 12, 2024 at 19:36 the more simpler way to get rid of the extra prepended comma is ::: integerArray.Aggregate ( "", (x, y) => string.Concat (x,",", y)).Substring (1) – OmGanesh WebOct 7, 2016 · Generally, to convert the string to a list of int I'd use Linq: var str = "1,2,3,4"; var lst = str.Split (',').Select (int.Parse).ToList (); Than you can use the list in any way you want :) Share Improve this answer Follow answered Oct 7, 2016 at 8:06 Stefan 652 5 10 Add a comment Your Answer Post Your Answer hifi repairs fife

How to create a List from a comma separated string?

WebNote: be care full if there would be any comma at the end it will give error, so first check and remove that if there any. 2. Answered: 30 Sep 2012. Hamden. Reputation: 2,395. You … WebJun 2, 2014 · String.split (). Then, for each element in the returned array, convert to int and add to the list. – bstar55 Jun 2, 2014 at 5:44 Add a comment 2 Answers Sorted by: 7 This should do it: var list = input.Split (',').Select (Convert.ToInt32).ToList (); Share Improve this answer Follow answered Jun 2, 2014 at 5:43 Simon Whitehead 62.6k 9 113 136 how far is bali from englandWebTo parse a YAML string in C#, you can use the YamlDotNet library. YamlDotNet is a popular library for working with YAML files in .NET applications and provides an easy-to-use API for parsing, serializing, and manipulating YAML data. Here's an example of how to parse a YAML string using YamlDotNet: In this example, we define a YAML string that ... how far is ballarat from adelaide

"Webvar ints = new List{1,3,4}; var stringsArray = ints.Select(i=>i.ToString()).ToArray(); var values = string.Join(",", stringsArray); Another solution would be the use of Aggregate. This is known to be much slower then the other provided solutions! " - C# int list to comma separated string

C# int list to comma separated string

How do you convert a list of integers to a comma separated …

WebThe helper method only creates one list and one array. The point is that the result needs to be an array, not a list... and you need to know the size of an array before you start.

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Webvar ints = new List{1,3,4}; var stringsArray = ints.Select(i=>i.ToString()).ToArray(); var values = string.Join(",", stringsArray); Another solution would be the use of Aggregate. … WebOne of the fastest ways to convert a list of objects to a CSV string in C# is by using the StringBuilder class to construct the CSV string and the string.Join method to join the values of each object's properties into a comma-separated string.. Here's an example of how to convert a list of objects to a CSV string using this approach:

WebIn this example, we define an array of KeyValuePair objects, each containing a key-value pair to add to the dictionary. We then pass this array to the Dictionary constructor to create a new dictionary with the specified key-value pairs. More C# Questions. Creating a comma separated list from IList or IEnumerable in C# WebJul 28, 2024 · Convert comma separated string of ints to int array (8 answers) Closed 4 years ago. How do I convert a string like var numbers = "2016, 2024, 2024"; into a List? I have tried this: List years = Int32.Parse (yearsString.Split (',')).ToList (); But I get the following error message: cannot convert from string [] to string. c# string …

WebList list = ...; string.Join(", ", list.Select(n => n.ToString()).ToArray()) Simple solution is List list = new List() {1, 2, 3}; string.Join WebThis post will discuss how to convert a comma-separated string into a list in C#. To convert a delimited string to a sequence of strings in C#, you can use the String.Split () …

WebJun 29, 2010 · UPDATED to use List instead of List Use string.Join: List data = ..; var result = string.Join (";", data); // (.NET 4.0+) var result = string.Join (";", data.Select (x => x.ToString ()).ToArray ()); // (.NET 3.5) Share Follow edited Sep 9, 2024 at 19:05 Hadagalberto Junior 119 2 11 answered Jun 28, 2010 at 19:12 Stephen …

WebDec 2, 2010 · public static string CommaSeparate (this IEnumerable values) { if (values.Count () == 0) return " [none]"; return string.Join (", ", values.ToArray ()); } This is an extension method that I use to do this in my applications. It's based on IEnumerable but should be similar for List. Share Follow answered Dec 2, 2010 at 0:18 Marcie hi fi repairs kentWebThe Contains method asks whether a single value is in a wider sequence/list. You don't have that; you have (for each branch):. a StringBranchIds against the "route", which we can relatively easily convert to a flat list; a BranchIds that is the fixed list we're testing against; This is nothing to do with contains.. Assuming you mean "any intersection", then this … how far is ballan from melbourneWebJun 29, 2010 · IList strings = new List (new int [] { 1,2,3,4 }); string [] myStrings = strings.Select (s => s.ToString ()).ToArray (); string joined = string.Join (",", myStrings); OR entirely with Linq string aggr = strings.Select (s=> s.ToString ()).Aggregate ( (agg, item) => agg + "," + item); Share Improve this answer Follow hi fi repairs in sutton coldfieldhttp://www.advancesharp.com/questions/17712/convert-comma-separated-string-into-a-list-int hifi repairs in lichfieldWebJan 8, 2011 · If you want to force it to use commas, you should probably specify the culture explicitly: string x = 999999.ToString ("n0", CultureInfo.InvariantCulture); Console.WriteLine (x); I wouldn't personally describe this as "comma-separated" by the way - that's usually used to describe a format which combines multiple different values. hifi repairs shropshireWebJul 4, 2010 · You can use String.Join: List myListOfInt = new List { 1, 2, 3, 4 }; string result = string.Join (", ", myListOfInt); // result == "1, 2, 3, 4" Share Improve this answer Follow answered Jul 4, 2010 at 17:01 dtb 211k 36 399 429 +1, Nice! But why is the type parameter on method join is not inferred? – Jay Sinha Jul 4, 2010 at 20:02 hi fi repairs newcastle upon tyneWebMar 31, 2009 · You can also do String.Format: int x = 100000; string y = string.Empty; y = string.Format("{0:#,##0.##}", x); //Will output: 100,000 If you have decimal, the same code will output 2 decimal places: To make comma instead of decimal use this: how far is bali from thailand flight