protected void Page_Load(object sender, EventArgs e) { if (Session["authenticated"] == null) Response.Redirect("Login.aspx"); if (!IsPostBack) { ServiceInterface server = new ServiceInterface(); SupportedMPFunctions f=server.GetSupportedMPFunctions(); btnMovie.Visible = f.myVideos; btnMusic.Visible = f.myMusic; btnPictures.Visible = f.myPictures; btnTvSeries.Visible = f.myTvSeries; btnMovingPictures.Visible = f.movingPictures; } }