Programatically adding a document to a document library.

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 Microsoft.SharePoint;
using System.IO;
namespace FileUploadinSharePoint
{

public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void btnUpload_Click(object sender, EventArgs e)
{
string filename = txtUpload.Text;
SPSite _MySite = new SPSite("http://adfsaccount:2222/");
SPWeb _MyWeb = _MySite.OpenWeb();
FileStream fstream = File.OpenRead(txtUpload.Text);
byte[] content = new byte[fstream.Length];
fstream.Read(content, 0, (int)fstream.Length);
fstream.Close();
_MyWeb.Files.Add("http://adfsaccount:2222/My%20Documents/uploadedfromcode.doc", content);
MessageBox.Show("File Saved to name called uploadedfromcode");
}
}
}