How to display videos from YouTube channel?

I had YouTube Channel and I Had Web Page on my web site which display this video ,I diplay the viedo in ModalPopupExtender ,and I had problem when I finsihed from displaying this video and close ModalPopupExtender the sound of viedo still displaying.

So please any one help me.

' id="Image" runat="server" width="96" height="86" alt="Video" />

'>' type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="400" height="320">

Close
<%----%><%----%> ' />

protected void Page_Load(object sender, EventArgs e) { string LanguageID = Globals.GetSuitableLanguage(Page); Page.Title = Globals.Translate(Page.Title, Page); if (!IsPostBack) { GetAllYouTube(); }

} private void GetAllYouTube() { using (SqlConnection con = Connection.GetConnection()) { string Sql = "select id,url,Image, "+ Globals.Translate("YoutubeTitle_EN", Page) +" from [YouTubeVideos] Where MV='Yes'" ; SqlCommand Com = new SqlCommand(Sql, con); Com.CommandType = CommandType.Text;

        SqlDataReader dr = Com.ExecuteReader();        DataList2.DataSource = dr;        DataList2.DataBind();    }}