How to get full size Profile Picture in Facebook using ASP.Net

This way

public partial class CS : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        FaceBookConnect.API_Key = "<API Key>";
        FaceBookConnect.API_Secret = "<API Secret>";
        if (!IsPostBack)
        {
            string code = Request.QueryString["code"];
            if (!string.IsNullOrEmpty(code))
            {
                string data = FaceBookConnect.Fetch(code, "me/albums");
                FaceBookAlbumData faceBookAlbumData = new JavaScriptSerializer().Deserialize<FaceBookAlbumData>(data);
                List<FaceBookAlbum> albums = new List<FaceBookAlbum>();
                foreach (FaceBookAlbum album in faceBookAlbumData.Data)
                {
                    if (album.Name == "Profile Pictures")
                    {
                        data = FaceBookConnect.Fetch(code, album.Id + "/photos");
                        album.Images = new JavaScriptSerializer().Deserialize<FaceBookImageData>(data).Data;
                        Image1.ImageUrl = album.Images[0].Source;
                        break;
                    }
                }
            }
        }
    }

    protected void Fetch(object sender, EventArgs e)
    {
        FaceBookConnect.Authorize("user_photos", Request.Url.AbsoluteUri.Split('?')[0]);
    }
}
public class FaceBookAlbumData
{
    public List<FaceBookAlbum> Data { get; set; }
}

public class FaceBookAlbum
{
    public string Id { get; set; }
    public string Name { get; set; }
    public List<FaceBookImage> Images { get; set; }
}

public class FaceBookImageData
{
    public List<FaceBookImage> Data { get; set; }
}

public class FaceBookImage
{
    public string Id { get; set; }
    public string Picture { get; set; }
    public string Source { get; set; }
    public int Height { get; set; }
    public int Width { get; set; }
}

 <asp:Button ID="btnFetch" runat="server" Text="Get FaceBook Pictures" OnClick="Fetch" />
    <hr />
    <asp:Image ID="Image1" runat="server" />