<%@ Page Language="C#" %>
<%@ Import Namespace="System.IO" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
FileStream fs = new FileStream(Server.MapPath("Data.txt"), FileMode.Append,
FileAccess.Write, FileShare.Read, 0, FileOptions.Asynchronous);
byte[] data = System.Text.Encoding.ASCII.GetBytes("This is an additional string");
fs.Write(data, 0, (int)data.Length);
fs.Flush();
fs.Close();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
</form>
</body>
</html>