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How to open a plain text file in C#?
To open a plain text file, use the StreamReader class. The following opens a file for reading −
StreamReader sr = new StreamReader("d:/new.txt")
Now, display the content of the file −
while ((line = sr.ReadLine()) != null) { Console.WriteLine(line); }
Here is the code −
Example
using System; using System.IO; namespace FileApplication { class Program { static void Main(string[] args) { try { using (StreamReader sr = new StreamReader("d:/new.txt")) { string line; // Read and display lines from the file until // the end of the file is reached. while ((line = sr.ReadLine()) != null) { Console.WriteLine(line); } } } catch (Exception e) { // Let the user know what went wrong. Console.WriteLine("The file could not be read:"); Console.WriteLine(e.Message); } Console.ReadKey(); } } }
Output
The file could not be read: Could not find a part of the path "/home/cg/root/4281363/d:/new.txt".
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