OpenFileDialog op=new OpenFileDialog();
op.Filter ="Bitmap Files (*.BMP)|*.bmp |Gif (*.Gif)|*.gif|JPEG (*.JPG*.JPEG;*.JPE;*.JFIF)|*.JPG*.JPEG;*.JPE;*.JFIF|TIFF (*.TIF;*.TIFF)|*.TIF;*.TIFF|ICO (*.ICO)|*.ICO  ";
op.ShowDialog();
if(!(op.FileName==""))
{

   byte[] content = ReadBitmap2ByteArray(op.FileName);
   StoreBlob2DataBase(content);
}





تحويل الصورة لبايت
protected static byte[] ReadBitmap2ByteArray(string fileName)
{
  using(Bitmap image = new Bitmap(fileName))
  {
MemoryStream stream = new MemoryStream();
image.Save(stream, System.Drawing.Imaging.ImageFormat.Bmp);
return stream.ToArray();
  }
}

تخزين الصورة في قاعدة البيانات
protected static void StoreBlob2DataBase(byte[] content)
{
SqlConnection con =new   SqlConnection (DbConnectioncls.ConnectionString());
DbConnectioncls.Open_Connection(con);
        //con.Open();
try
  {
    SqlCommand insert = new SqlCommand(
    "update Company_Info set [stream] = (@image) where company_id=1",con);
     SqlParameter imageParameter =
     insert.Parameters.Add("@image", System.Data.SqlDbType.Binary);
     imageParameter.Value = content;
     imageParameter.Size  = content.Length;
     insert.ExecuteNonQuery();
  }
finally
  {
  
        DbConnectioncls.Close_Connection(con);

  }
}

string  sqlstr;
sqlstr="select * from  Company_Info_Vw where  Company_ID = '1'";
SqlCommand DBCmd = new SqlCommand (sqlstr,  con        );

SqlDataReader dr =null;
dr =  DBCmd.ExecuteReader();
if (dr.HasRows)  
{
while (dr.Read())
{

   if (dr["stream"] != DBNull.Value )
           {
            byte[] content = (byte[])dr["stream"];
   MemoryStream stream = new MemoryStream(content);
   Bitmap image = new Bitmap(stream);

                 pictureBox1.Image = image;
    }
    else
        pictureBox1.Image = null;