Image Image1 = null; byte[] Image1Bytes = null; //从数据库中提取出来的二进制数据 Image1Bytes = (byte[])dtPic.Rows[0]["??"]; Image1 = new Bitmap(new System.IO.MemoryStream(Image1Bytes )); //用picturebox进行调用 picturebox1.Image = prodCodeImage;