12345678910111213141516171819202122232425262728
            
using System;
using System.IO;

namespace ConsoleApp
{
    public class Program
    {
        public static void Main(string[] args)
        {
            string path = "data.txt";
            try
            {
                string content = File.ReadAllText(path);
                Console.WriteLine("File content:");
                Console.WriteLine(content);
            }
            catch (FileNotFoundException)
            {
                Console.WriteLine("Error: The file was not found.");
            }
            catch (IOException ex)
            {
                Console.WriteLine($"An I/O error occurred: {ex.Message}");
            }
        }
    }
}

              
123456789101112131415161718192021222324
            
using System;
using System.IO;

namespace ConsoleApp
{
    public class WritingExample
    {
        public void WriteToFile(string path, string text)
        {
            try
            {
                using (StreamWriter writer = new StreamWriter(path))
                {
                    writer.WriteLine(text);
                }
            }
            catch (IOException ex)
            {
                Console.WriteLine($"Could not write to file: {ex.Message}");
            }
        }
    }
}