public void musicmp3()
    {
        string sql = "select top 10* from Music,Casi,TheLoai where Casi.MaCaSi=Music.MaCaSi and Music.MaTheLoai=TheLoai.MaTheLoai ORDER BY NgayDang Desc";

        con.Open();
        SqlDataAdapter da = new SqlDataAdapter(sql, con);
        DataSet        ds = new DataSet();

        da.Fill(ds);
        Music__.DataSource = ds;
        Music__.DataBind();
        con.Close();
    }
    public void timnhac()
    {
        string sql = "select * from Music,Casi,TheLoai where Casi.MaCaSi=Music.MaCaSi and Music.MaTheLoai=TheLoai.MaTheLoai and TenKhongDau like '%" + Session["txtname"] + "%'";

        con.Open();
        SqlDataAdapter da = new SqlDataAdapter(sql, con);
        DataSet        ds = new DataSet();

        da.Fill(ds);
        Music__.DataSource = ds;
        Music__.DataBind();
        con.Close();
    }
    public void baihatlienquan(string macasi)
    {
        //Download source code tai Sharecode.vn
        string sql = "select * from Music,Casi,TheLoai where Casi.MaCaSi=Music.MaCaSi and Music.MaTheLoai=TheLoai.MaTheLoai and Casi.MaCaSi ='" + macasi + "' order by LuotXem desc";

        con.Open();
        SqlDataAdapter da = new SqlDataAdapter(sql, con);
        DataSet        ds = new DataSet();

        da.Fill(ds);
        Music__.DataSource = ds;
        Music__.DataBind();
        con.Close();
    }