在线播发器的问题！

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Play.aspx.cs" Inherits="Play" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>无标题页</title>
    <style type="text/css">
        .td
        {
            border-bottom:dotted 1px #dcdcdc;
            border-right:dotted 1px #dcdcdc;
        }
    </style>
</head>
<body style="font-size:small">
    <form id="form1" runat="server">
    <div>
     <table style="border:solid 1px green;width:40%">
            <tr>
                <td style="background-color:Green">
                    <span style="font-size: 14pt; color: #ffffff"><strong>在线播放音乐</strong></span></td>
            </tr>
            <tr>
                <td class="td" style="text-align: center">
                    <asp:Panel ID="play1" runat="server">
                                <object classid="clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95" id="MediaPlayer2" width="485" height="327" >
                                  <asp:Label ID="playit" runat="server"/>                                   <param name="AudioStream" value="-1"/>
                                  <param name="AutoSize" value="0"/>
                                  <param name="AutoStart" value="-1"/>
                                  <param name="AnimationAtStart" value="-1"/>
                                  <param name="AllowScan" value="-1"/>
                                  <param name="AllowChangeDisplaySize" value="-1"/>
                                  <param name="AutoRewind" value="0"/>
                                  <param name="Balance" value="0"/>
                                  <param name="BaseURL" value=""/>
                                  <param name="BufferingTime" value="5"/>
                                  <param name="CaptioningID" value=""/>
                                  <param name="ClickToPlay" value="-1"/>
                                  <param name="CursorType" value="0"/>
                                  <param name="CurrentPosition" value="-1"/>
                                  <param name="CurrentMarker" value="0"/>
                                  <param name="DefaultFrame" value=""/>
                                  <param name="DisplayBackColor" value="0">
                                  <param name="DisplayForeColor" value="16777215"/>
                                  <param name="DisplayMode" value="0"/>
                                  <param name="DisplaySize" value="2"/>
                                  <param name="Enabled" value="-1"/>
                                  <param name="EnableContextMenu" value="-1"/>
                                  <param name="EnablePositionControls" value="-1"/>
                                  <param name="EnableFullScreenControls" value="0"/>
                                  <param name="EnableTracker" value="-1"/>
                                  <param name="InvokeURLs" value="-1"/>
                                  <param name="Language" value="-1"/>
                                  <param name='LOOP' value='0'/>
                                  <param name="Mute" value="0"/>
                                  <param name="PlayCount" value="0"/>
                                  <param name="PreviewMode" value="0"/>
                                  <param name="Rate" value="1"/>
                                  <param name="SAMILang" value=""/>
                                  <param name="SAMIStyle" value=""/>
                                  <param name="SAMIFileName" value=""/>
                                  <param name="SelectionStart" value="-1"/>
                                  <param name="SelectionEnd" value="-1"/>
                                  <param name="SendOpenStateChangeEvents" value="-1"/>
                                  <param name="SendWarningEvents" value="-1"/>
                                  <param name="SendErrorEvents" value="-1"/>
                                  <param name="SendKeyboardEvents" value="0"/>
                                  <param name="SendMouseClickEvents" value="0"/>
                                  <param name="SendMouseMoveEvents" value="0"/>
                                  <param name="SendPlayStateChangeEvents" value="-1"/>
                                  <param name="ShowCaptioning" value="0"/>
                                  <param name="ShowControls" value="-1"/>
                                  <param name="ShowAudioControls" value="-1"/>
                                  <param name="ShowDisplay" value="0"/>
                                  <param name="ShowGotoBar" value="0"/>
                                  <param name="ShowPositionControls" value="-1"/>
                                  <param name="ShowStatusBar" value="-1"/>
                                  <param name="ShowTracker" value="-1"/>
                                  <param name="TransparentAtStart" value="0"/>
                                  <param name="VideoBorderWidth" value="0"/>
                                  <param name="VideoBorderColor" value="0"/>
                                  <param name="VideoBorder3D" value="0"/>
                                  <param name="Volume" value="-40"/>
                                  <param name="WindowlessVideo" value="0"/>
                                </object>
                              </asp:Panel>
                </td>
            </tr>
            <tr>
                <td class="td" style="text-align: center">
                    <asp:HyperLink ID="hp1" runat="server" Font-Bold="True" ForeColor="Green" NavigateUrl="MpList.aspx">返回音乐列表</asp:HyperLink></td>
            </tr>
        </table> 
    </div>
    </form>
</body>
</html>
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;public partial class Play : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        try
        {
            string id = Request["m_id"].ToString();
            SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["conn"].ConnectionString);
            con.Open();
            string cmdtext = "select m_name from playlist where m_id=" + id + "";
            SqlCommand cmd = new SqlCommand(cmdtext, con);
            SqlDataReader dr = cmd.ExecuteReader();
            if (dr.Read())
            {
                string name = dr["m_name"].ToString();
                string url = "mp34/" + name;
                playit.Text = "<param name='movie' value ='" + url + "'>";            }
        }
        catch
        {
            Response.Redirect("MpList.aspx");
        }
    }
}
请问上面的代码有问题吗？
wmv的视频总是播发不了，请问这是怎么回事啊！非常感谢！