Search A Word In File (C#.net)

The following code shows you how to search a word in file, a function SearchWord() takes two parameters first the file path and the second is the word to be search in file.
Reading a file line by line and splitting at every space now all the words excluding of space are in new string array and with the loop, searching a word in this new array where it equals count plus by one.


 
using System.IO;

public void SearchWord(string filePath, string searchString)

{

      TextReader tr = File.OpenText(filePath);

           

      int word = 0;

      string line = tr.ReadLine();

      while (line != null)

      {

  

         string[] stri = line.Split(' ');

                for (int i = 0; i < stri.Length; i++)

                {

                    if (stri[i].Equals(searchString))

                    {

                        word++;

                    }

                }

                line = tr.ReadLine();

            }

            Console.WriteLine(word.ToString());

}