C#中将图片转化为byte[]在数据库中存取

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1. 写入数据库：

         public static byte[] GetBytesByImage(PictureBox pb)        {            byte[] photo_byte= null;            if (!pb.Image.Equals(null))            {                using (MemoryStream ms = new MemoryStream())                {                    Bitmap bmp = new Bitmap(pb.Image);                    bmp.Save(ms,System.Drawing.Imaging.ImageFormat.Jpeg);                    photo_byte = new byte[ms.Length];                    ms.Position = 0;                    ms.Read(photo_byte, 0, Convert.ToInt32(ms.Length));                    bmp.Dispose();                }            }            return photo_byte;        }

2.将实际位置中的照片转化为byte[]类型写入数据库中：

         public static byte[] GetBytesByImagePath(string strFile)        {            byte[] photo_byte = null;            using (FileStream fs =                new FileStream(strFile, FileMode.Open, FileAccess.Read))            {                using (BinaryReader br = new BinaryReader(fs))                {                    photo_byte = br.ReadBytes((int)fs.Length);                }            }            return photo_byte;        }

3. 读取byte[]并转化为图片：

         public static Image GetImageByBytes(byte[] bytes)        {            Image photo = null;            using (MemoryStream ms = new MemoryStream(bytes))            {                ms.Write(bytes, 0, bytes.Length);                photo = Image.FromStream(ms, true);            }            return photo;        }