protected void btnResetContent_Click(object sender, EventArgs e)
        {
            string idChuong             = Request.Params["idChuong"].ToString();
            Managerment_PageEntities db = new Managerment_PageEntities();
            Chuong obj = db.Chuongs.FirstOrDefault(x => x.idChuong.ToString() == idChuong.ToString());

            txtTenChuong.Text = obj.tenChuong.ToString();
            txtContent.Text   = obj.content.ToString();
        }
        void GetData()
        {
            int idChuong = Convert.ToInt32(Request.Params["idChuong"].ToString());
            Managerment_PageEntities db = new Managerment_PageEntities();
            Chuong obj = db.Chuongs.FirstOrDefault(x => x.idChuong == idChuong);

            txtTenChuong.Text = obj.tenChuong.ToString();
            txtContent.Text   = obj.content.ToString();
        }
        protected void btnDelete_Command(object sender, CommandEventArgs e)
        {
            int idChuong = Convert.ToInt32(e.CommandArgument.ToString());
            Managerment_PageEntities db = new Managerment_PageEntities();
            Chuong obj = db.Chuongs.FirstOrDefault(x => x.idChuong == idChuong);

            db.Chuongs.Remove(obj);
            db.SaveChanges();
            LoadData();
            getNameTypeComic();
        }
        protected void CreateChuong_Click(object sender, EventArgs e)
        {
            int    idComic              = Convert.ToInt32(Request.Params["idComic"]);
            string tenChuong            = txtTenChuong.Text;
            string content              = txtContent.Text;
            Managerment_PageEntities db = new Managerment_PageEntities();
            Chuong newChuong            = new Chuong();

            newChuong.idComic   = idComic;
            newChuong.tenChuong = tenChuong;
            newChuong.content   = content;
            db.Chuongs.Add(newChuong);
            db.SaveChanges();
            LoadData();
            getNameTypeComic();
        }
        protected void btnSaveContent_Click(object sender, EventArgs e)
        {
            int    idChuong             = Convert.ToInt32(Request.Params["idChuong"]);
            string txtContentUpdate     = txtContent.Text;
            string txttenChuong         = txtTenChuong.Text;
            Managerment_PageEntities db = new Managerment_PageEntities();
            Chuong obj = db.Chuongs.FirstOrDefault(x => x.idChuong == idChuong);

            obj.tenChuong = txttenChuong;
            obj.content   = txtContentUpdate;
            db.SaveChanges();
            Status.Text = "Cập nhật thành công!";

            /*Thread.Sleep(2000);
             * Response.Redirect("DS_Truyen.aspx");*/
        }
        protected void btnUpdateStatus_Command(object sender, CommandEventArgs e)
        {
            int idComic = int.Parse(e.CommandArgument.ToString());
            Managerment_PageEntities db = new Managerment_PageEntities();
            Chuong  chuong            = db.Chuongs.FirstOrDefault(x => x.idComic == idComic);
            Boolean status            = Convert.ToBoolean(chuong.status.ToString());
            Boolean statusafterupdate = true;

            if (status == true)
            {
                statusafterupdate = false;
            }
            else
            {
                statusafterupdate = true;
            }
            chuong.status = statusafterupdate;
            db.SaveChanges();
            LoadData();
        }