How to Convert image to a byte array in ASP.Net

Following example shows how to take the byte representation of an image.

How to convert image into byte[] and byte[] to image using C# in ASP.NET

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
namespace WebApplication2
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string strPhoto = (@"C:\\Webcam.jpg");
            FileStream fs = new FileStream(strPhoto, FileMode.Open, FileAccess.Read);
            Byte[] imgByte = new byte[fs.Length];
            fs.Read(imgByte, 0, System.Convert.ToInt32(fs.Length));
        }

    }
}

source reference from  :

http://blogs.msdn.com/b/vijay/archive/2007/07/20/how-to-convert-image-into-byte-and-byte-to-image-using-c-in-asp-net.aspx

http://www.codeproject.com/Articles/15460/C-Image-to-Byte-Array-and-Byte-Array-to-Image-Conv