WebThe foreach statement can be used to iterate over key and value, only key, only value, etc. You can also get the index in the iteration process. If you are interested in how to iterate … Web只有当我知道foreach中会发生一些需要时间或可能需要时间的重要事情时,我才使用并行foreach,比如数据库连接或向web服务发送大量数据。 如果它只是在服务器上处理信息,就像从已经加载到内存中的集合中获取ID一样,那么它真的不值得这样做。
C# Program For Listing the Files in a Directory - GeeksforGeeks
WebDec 19, 2014 · 3. You can just use DirectoryInfo.EnumerateFiles () method which returns an IEnumerable and therefor if you access them by the enumerator they will be … WebThe following example shows how to retrieve all the text files from a directory and move them to a new directory. After the files are moved, they no longer exist in the original directory. C#. using System; using System.IO; namespace ConsoleApplication { class Program { static void Main(string[] args) { string sourceDirectory = @"C:\current ... starting dill from seed
C# Foreach Loop - W3School
http://duoduokou.com/csharp/50737200094292871308.html Webvar nameList = new List(); foreach (user in users) {nameList.Add(user.Name);} return nameList; With a LINQ query, you can extremely shorten the required code to this: return users.Select(u => u.Name).ToList(); Once you understand and can utilize LINQ queries, I guarantee you, that your code will gain much more readability. WebNov 15, 2024 · 1. Create and read the directory using DirectoryInfo class. DirectoryInfo place = new DirectoryInfo (@"C:\Train"); 2. Create an Array to get all list of files using GetFiles () Method. FileInfo [] Files = place.GetFiles (); 3. Display file names with Name attribute through foreach loop. pete\u0027s tackle the pas