WebJul 10, 2013 · Just do the foreach. Or List.ForEach () which is a method that is expected to have side effects (= state changes outside the method). As an aside, changing foreach loops to Linq just for the sake of it is one of the most common techniques to make code harder to understand and debug that I'm aware of in .NET. WebC# 无法隐式转换类型'；系统Linq.IQueryable<&燃气轮机'；至'；System.Linq.IOrderedQueryable<&燃气轮机'； C# 无法启动程序，windows web服务框架中存在无法识别的错误 我的C控制台应用程序调用托管C++ DLL。
LINQ foreach Learn How Does foreach work in LINQ with …
WebJun 6, 2010 · 3. I have a list/array and need to process certain elements, but also need the index of the element in the processing. Example: List Names = john, mary, john, bob, simon Names.Where (s => s != "mary").Foreach (MyObject.setInfo (s.index, "blah") But cannot use the "index" property with lists, inversely if the names were in an Array I cannot use ... WebOct 2, 2009 · 6. There is no Linq ForEach extension. However, the List class has a ForEach method on it, if you're willing to use the List directly. For what it's worth, the standard foreach syntax will give you the results you want and it's probably easier to read: foreach (var x in someValues) { list.Add (x + 1); } how to make pages in microsoft word
【C#】Listと配列でforとforeachのアクセス速度比較
WebC# 用异步方法选择,c#,linq,async-await,C#,Linq,Async Await,我发现了一个对我来说非常有用的方法，但我仍然不知道LINQ world中的等效方法还有哪些进一步的构造： public async Task> GetObjectsInfo(string[] objectIds) { var result = new List(objectIds.Length); foreach (var id in objectIds) { r WebOct 11, 2024 · Easily iterate through a collection: C#’s foreach loop. A common C# loop task is to iterate over all values in a collection (like an array, list, or dictionary). The … WebDec 27, 2014 · 確かにLINQ使うと数値上は遅くなる。. でも、1千万件ループにつき173msだから、1ループあたり17.3*10^-9秒 (17.3ナノ秒)程 … mtcc topeka