如何在C#中获取文件中的行数？

using System.IO;

public static int GetLineCount(string filePath)
{
    int count = 0;
    using (StreamReader sr = new StreamReader(filePath))
    {
        string line;
        while ((line = sr.ReadLine()) != null)
        {
            count++;
        }
    }
    return count;
}

int lineCount = GetLineCount("path/to/your/file.txt");
Console.WriteLine("The file contains {0} lines.", lineCount);