如何从SQL server 2005中，读取图片，并输出在页面上，我在数据库中存储图片的字段的类型是varbinary?

protected void Page_Load(object sender, EventArgs e)

    {

        DownloadImage(Request["FileID"]);

    }

    private void DownloadImage(string FileID)

    {

        if (FileID == null || FileID == "") return;



        using (System.Data.SqlClient.SqlConnection conn = new System.Data.SqlClient.SqlConnection())

        {

            conn.ConnectionString = "server=.;uid=sa;pwd=;database=文件库";

            conn.Open();



            using (System.Data.SqlClient.SqlCommand command = conn.CreateCommand())

            {



                command.CommandText = string.Format("select * from 文件表 where id='{0}'", FileID);



                System.Data.SqlClient.SqlDataReader reader = command.ExecuteReader();



                try

                {

                    if (reader.Read())

                    {



                        int size = reader.GetInt32(0);

                        byte[] buffer = new byte[size];



                        reader.GetBytes(1, 0, buffer, 0, size);



                        this.Response.BinaryWrite(buffer);

                    }

                }

                catch (Exception ex)

                {

                    this.Response.Write(ex.Message);

                }

                finally

                {

                    reader.Close();

                }

            }

            conn.Close();

        }

    }