Question

How to count the lines in text file with C#

Answer 1

using System;
using System.IO;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(CountLinesInFile("d:\\data.txt"));
        }
        static long CountLinesInFile(string filename)
        {
            long count = 0;
            using (StreamReader sr = new StreamReader(filename))
            {
                string line;
                while ((line = sr.ReadLine()) != null)
                    count++;
            }
            return count;
        }
    }
}


/*
run:
 
3

*/

 

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