Запись массива в файл

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using ZedGraph;
using System.IO;
 
 
 
 
 
public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
    }
    // Respond to the form 'Resize' event
    private void Form1_Resize(object sender, EventArgs e)
    {
        SetSize();
    }
 
    // SetSize() is separate from Resize() so we can 
    // call it independently from the Form1_Load() method
    // This leaves a 10 px margin around the outside of the control
    // Customize this to fit your needs
    private void SetSize()
    {
        zedGraphControl1.Location = new Point(10, 10);
        // Leave a small margin around the outside of the control
        zedGraphControl1.Size = new Size(ClientRectangle.Width - 250,
                                ClientRectangle.Height - 40);
    }
 
    // Respond to form 'Load' event
    private void Form1_Load(object sender, EventArgs e)
    {
        // Setup the graph
        CreateGraph(zedGraphControl1);
        // Size the control to fill the form with a margin
        SetSize();
    }
    // Build the Chart
    private void CreateGraph(ZedGraphControl zgc)
    {
        // get a reference to the GraphPane
        GraphPane myPane = zgc.GraphPane;
 
        // Set the Titles
        myPane.Title.Text = "График синуса";
        myPane.XAxis.Title.Text = "Значение аргумента";
        myPane.YAxis.Title.Text = "Значение функции";
 
 
        PointPairList list1 = new PointPairList();// Make up some data arrays based on the Sine function
        int[] table = new int[256];    
        int x;                         
        double y;                       
        double k;
        k = (Math.Pow(2, 31) - 1);
        for (x = 0; x < 256; x++)
        {
            y = k * Math.Sin(2 * Math.PI * x / 256);
            table[x] = (int)(y);
            list1.Add(x, y);
 
 
        }
 
        // Generate a red curve with diamond
        // symbols, and "Porsche" in the legend
        LineItem myCurve = myPane.AddCurve("Sinus",
              list1, Color.Black, SymbolType.Diamond);
 
        // Tell ZedGraph to refigure the
        // axes since the data have changed
        zgc.AxisChange();
        dataGridView1.RowCount = 256;
        dataGridView1.ColumnCount = 2;
        for (x = 0; x < 256; x++)
        dataGridView1.Rows[x].Cells[0].Value = table[x];
          }
}

StreamWriter str = new StreamWriter("Sinus.dat");
for (int i = 0; i < 256; i++)
{
    str.WriteLine(table[i]);
}
str.Close();