protected void Page_Load(object sender, EventArgs e)
        {
            try
            {
                if (!IsPostBack)
                {
                    Butonvisible(true);
                    panelVisible(false, true, false, false);

                    List <string> languageList = (from l in db.Language
                                                  where l.IsActive == true
                                                  select l.LanguageName).ToList();
                    ddlLanguage.DataSource = languageList;
                    ddlLanguage.DataBind();
                    ddlFilterLanguage.DataSource = languageList;
                    ddlFilterLanguage.DataBind();
                    ddlFilterLanguage.Items.Insert(0, new ListItem("Dil Seçiniz..", "0"));
                    ddlFilterLanguage.SelectedIndex = 0;
                }
                SliderList.DataSource = (from s in db.Slider select s).ToList();
                SliderList.DataBind();
                ((Master)this.Master).Path     = "Slider";
                ((Master)this.Master).PathLink = "SliderPage.aspx";
            }
            catch (Exception)
            {
                Uyari("Bir Hata Oluştu!", false);
                pnlAlert.Visible = true;
            }
        }
        protected void ddlFilterLanguage_SelectedIndexChanged(object sender, EventArgs e)
        {
            try
            {
                string languageValue = ddlFilterLanguage.SelectedValue;
                if (languageValue != "0")
                {
                    Language language = (from l in db.Language where l.LanguageName == languageValue select l).FirstOrDefault();

                    SliderList.DataSource = (from s in db.Slider where s.LanguageID == language.ID select s).ToList();
                    SliderList.DataBind();
                }
                else
                {
                    SliderList.DataSource = (from s in db.Slider select s).ToList();
                    SliderList.DataBind();
                }
            }
            catch (Exception)
            {
                Uyari("Bir Hata Oluştu!", false);
                pnlAlert.Visible = true;
            }
        }