WebMay 27, 2024 · The Bottom Line. In this tutorial, you learned how to add a menu to your C# console application. You created a method to display a menu and called that method from inside a while loop. You processed the user's selection and triggered the relevant methods. Finally, you returned a boolean value to determine whether to continue to show the menu. WebJul 8, 2024 · The following code snippet creates a StreamReader from a filename with default encoding and buffer size. // File name. string fileName = …
[Solved] C# To read all lines or certain lines - CodeProject
WebMay 28, 2015 · Solution 3. Your variable line is null. Your order of execution is: 1. checking if line is not null. 2. then reading line (now it could be null) 3. then using it (it raises null object reference exception if value is null) Move checking for null a little bit higher and it … Web要求是:創建一個應用程序,該應用程序將允許用戶輸入數字並提供輸入數字的平均值。 將允許用戶輸入他們選擇的盡可能多的數字。 每次輸入后,我們將顯示當前平均值。 不斷重復直到用戶決定退出。 我希望用戶繼續輸入數字,直到他們鍵入 q 退出。 請幫忙。 flush out versus flesh out
C# StreamReader - reading text files in C# with StreamReader
WebMicrosoft's explanation of "ReadLineAsync reads a line of characters asynchronously" is remarkably unhelpful. But that's the entire and only point. It reads the line asynchronously. The sync version will block the executing thread until the line is read, the async version will read the line asynchronously and schedule a continuation when the ... WebOct 24, 2024 · 1. While I agree with the comments (in that this isn't the best way to approach this - in fact, the code you've provided is more than adequate), you can do assignment inside of a conditional statement. ie. var str = ""; do { ... } while ( (str = Console.ReadLine … WebFeb 8, 2024 · The File.ReadAllLines () method opens a text file, reads all lines of the file into a string array, and then closes the file. The following code snippet reads a text file into an array of strings. // Read a text file line by line. string[] lines = File.ReadAllLines( textFile); foreach (string line in lines) Console.WriteLine( line); greengate products