WebList has two methods you can use. RemoveAt (int index) can be used if you know the index of the item. For example: resultlist.RemoveAt (1); Or you can use Remove (T item): var itemToRemove = resultlist.Single (r => r.Id == 2); resultList.Remove (itemToRemove); When you are not sure the item really exists you can use SingleOrDefault.Web例. 次の例では、 メソッドと、ジェネリック デリゲートを RemoveAll 使用する他のいくつかのメソッドを Predicate 示します。. 8 つの恐竜名を含む文字列の A List が作成され、そのうちの 2 つ (位置 1 と 5) は "saurus" で終わります。 この例では、 という名前 EndsWithSaurusの検索述語メソッドも定義 ...
C# List Remove - deleting elements in list
WebJan 4, 2024 · C# List tutorial shows how to work with a List collection in C#. C# List represents a strongly typed list of objects that can be accessed by index. ... With RemoveAll method, we remove all elements that satisfy the given predicate; in our case, we remove all negative values. nums.Remove(0); The Remove method removes the …WebFeb 1, 2024 · It comes under the System.Collection.Generic namespace. List class can be used to create a collection of different types like integers, strings etc. List class also provides the methods to search, sort, and manipulate lists. List.Clear Method is used remove the all the elements from the List.city chevy charlotte nc
C# List Collection - TutorialsTeacher
WebSep 2, 2024 · Step 1: Include System.Collection.Generics namespace in your program with the help of using keyword. using System.Collections.Generic; Step 2: Create a list using List class as shown below: List list_name = new List (); Step 3: If you want to add elements in your list, then List class provides two different methods and the …WebNov 12, 2012 · 12. Recently I had to lock collections (of type List) when items were added or removed. Because several collections were used in given code instead of creating helper methods for each collection, I made an extension methods: public static class MyExtension { public static void AddThreadSafely (this ICollection collection, T …WebApr 18, 2024 · I suggest we add a new method to Enumerable, RemoveAll, that takes a single item to remove from the user. edit: This method will return a new enumerable with all occurrences of the item removed, or an equivalent enumerable if the item wasn't found. A RemoveFirst method will also be added for symmetry; it will remove the first occurrence …city chevy days of thunder