C#从文本文件中获取二维数组

namespace WpfApplication1
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}

/// <summary>
/// 读取一个文本文件。获取一个2维数组
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Button_Click(object sender, RoutedEventArgs e)
{
//通过OpenFileDialog()方法，获取文件
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "文本文件|*.txt";
//如果没有选择文件，而是点了取消，就return
if (ofd.ShowDialog() != true)
{
return;
}
string filename = ofd.FileName;
//IEnumerable<string> lines = File.ReadAllLines(filename, Encoding.Default);
string[] lines = File.ReadAllLines(filename, Encoding.Default);
//n数组行数，m数组列数
int n = 0, m = 0;
//得到n，m
foreach (string line in lines)
{
n++;
string[] seges = line.Split('|');
int length = seges.Length;
foreach (string s in seges)
{
m++;
}
}
//声明一个数组，用来存从文件读取的数据
int[,] ee = new int[n, m/n];
//n1为行，m1为列
int n1 = 0;
foreach (string  line in lines)
{
string[] seges = line.Split('|');
int length = seges.Length;
int m1 = 0;
foreach (string  s in seges)
{
int  a = int.Parse(seges[m1]);
ee[n1,m1] = a;
m1++;
}
n1++;
}
//调试用，设个断点，看看ee[n1,m1]是否正确
Console.WriteLine("");
}
}
}