ขอความกรุณาช่วยเรื่องการแสดงรูปภาพหน่อยครับ ติดมาหลายวันแล้วครับ

protected void Button4_Click(object sender, EventArgs e)
        {
            clsDatabaseMysql_localhost clsdb_mysqlLocalhost = new clsDatabaseMysql_localhost();
            data.sql = "select * from  laypic where laycount = '0'";
            data.dt = clsdb_mysqlLocalhost.QueryDataTable(data.sql);
            clsdb_mysqlLocalhost.Close();

            clsDatabaseSQL clsdbSQL = new clsDatabaseSQL();
            data.sql = "INSERT INTO laypic2 (laycount , gd01p) Values('"+data.dt.Rows[0]["laycount"].ToString()+"','"+data.dt.Rows[0]["gd01p"]+"')";
            clsdbSQL.QueryExecuteNonQuery(data.sql);
            clsdbSQL.Close();

            data.sql = "select * from laypic2";
            data.dt = clsdbSQL.QueryDataTable(data.sql);
            clsdbSQL.Close();
            Image1.ImageUrl = "test_viewImage.aspx?laycount=" + data.dt.Rows[0]["laycount"].ToString();

        }

clsDatabaseSQL clsdb = new clsDatabaseSQL();
        DataTable dt;
        string sql = "Select gd01p from laypic2 WHERE laycount = '" + Request.QueryString["laycount"].ToString() + "'";
        dt = clsdb.QueryDataTable(sql);
        if (dt.Rows[0]["gd01p"].ToString() == "")
        {

        }
        else
        {
         
            Response.BinaryWrite((byte[])dt.Rows[0]["gd01p"]);

        }