byte[] imagedata = null;

        //now we can get the image bytes with filestream on local system, or from FileUpload on our web page

        System.Data.SqlClient.SqlConnection con=new System.Data.SqlClient.SqlConnection("myconstring");

        System.Data.SqlClient.SqlCommand com = new System.Data.SqlClient.SqlCommand("insert into images (imagename,imagedata) values (@imagename,@imagedata)", con);

        com.Parameters.Add(new System.Data.SqlClient.SqlParameter("@imagename", "myimage.gif"));

        com.Parameters.Add(new System.Data.SqlClient.SqlParameter("@imagedata", imagedata));

        con.Open();

        com.ExecuteNonQuery();

  byte[] b=null;//get bytes from data base... b=(byte[])com.ExecuteScalar("select imagedata from myimages where...)

            MemoryStream ms=new MemoryStream(b);

            System.Drawing.Bitmap bm = new System.Drawing.Bitmap(ms);

 byte[] b = (byte[])com.ExecuteScalar("select imagedata from myimages where imageid=" + Request.Params["imgid"]);

        Response.ContentType = "image/jpeg";

        Response.BinaryWrite(b);

        Response.End();