How to select images from a database and show in a picture box?

using (dbe =new DatabaseEntities())
      {
          var images = from p in dbe.PitureTables
                       select p.Picture;
          foreach (var image in images)
          {
              MessageBox.Show("foreach Run");
              pictureBox2.Image = Image.FromStream(new MemoryStream(image.ToArray()));
          }
      }

using (dbe = new DatabaseEntities())
           {
              PitureTable record= new PitureTable {PictureName="pic1",Picture=imageToByteArray( pictureBox1.Image)};
                    dbe.StudentRecords.AddObject(record);
                    db.StudentRecords.Attach(record);
                    dbe.SaveChanges();
                    MessageBox.Show("inserted");
                }