private string GetImageData(ImageLocInfo image)
{
string file = PortalSettings.Current.HomeDirectoryMapPath + image.Folder + image.FileName;
byte[] imageData = null;
System.IO.FileInfo fileInfo = new System.IO.FileInfo(file);
long imageFileLength = fileInfo.Length;
FileStream fs = new FileStream(file, FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(fs);
imageData = br.ReadBytes((int) imageFileLength);
return Convert.ToBase64String(imageData);
}