private void background_Loaded(object sender, RoutedEventArgs e)
        {
            Image1.Source = new BitmapImage(new Uri(@System.AppDomain.CurrentDomain.BaseDirectory + "title.png"));

            SpotEntities spotdata = new SpotEntities();

            var retRows = from spot in spotdata.景点介绍
                          select new { name = spot.称, num = spot.序号, price = spot.门票 };

            foreach (var item in retRows)
            {
                spotList.Add(item.name);
                PublicV.NameToNum.Add(item.name, item.num);
                PublicV.NumToName.Add(int.Parse(item.num), item.name);
                PublicV.Ticket.Add(int.Parse(item.price));
            }

            var parent = from spot in spotdata.number
                         select new { zero = spot.C_1, one = spot.C_2to3, two = spot.C_4to8 };
            int index = 0;

            foreach (var item in parent)
            {
                PublicV.Parent[0, index] = double.Parse(item.zero);
                PublicV.Parent[1, index] = double.Parse(item.one);
                PublicV.Parent[2, index] = double.Parse(item.two);
                index++;
            }

            var time = from spot in spotdata.times
                       select new { zero = spot.C_0to1h, one = spot.C_1to3h, two = spot.over3h };

            index = 0;
            foreach (var item in time)
            {
                PublicV.Time[0, index] = double.Parse(item.zero);
                PublicV.Time[1, index] = double.Parse(item.one);
                PublicV.Time[2, index] = double.Parse(item.two);
                index++;
            }

            var kind = from spot in spotdata.type
                       select new { zero = spot.study, one = spot.entertainment, two = spot.sightseeing };

            index = 0;
            foreach (var item in kind)
            {
                PublicV.Kind[0, index] = double.Parse(item.zero);
                PublicV.Kind[1, index] = double.Parse(item.one);
                PublicV.Kind[2, index] = double.Parse(item.two);
                index++;
            }

            var fare = from spot in spotdata.fare
                       select new
            {
                a = spot.外滩,
                b = spot.东方明珠,
                c = spot.城隍庙,
                d = spot.海环球金融中心,
                e = spot.海野生动物园,
                f = spot.朱家角古镇,
                g = spot.海博物馆,
                h = spot.新天地,
                i = spot.海杜莎夫人蜡像馆,
                j = spot.欢乐谷,
                k = spot.海科技馆,
                l = spot.田子坊,
                m = spot.豫园,
                n = spot.海植物园,
                o = spot.海海洋水族馆,
                p = spot.金茂大厦88层观光厅,
                q = spot.外白渡桥,
                r = spot.巧克力开心公园,
                s = spot.佘山国家森林公园,
                t = spot.七宝老街,
                u = spot.宋庆龄故居纪念馆,
                v = spot.徐家汇天主教堂,
                w = spot.中华艺术宫,
                x = spot.南京路步行街,
                y = spot.爱玲故居,
                z = spot.人民广场
            };

            index = 0;
            foreach (var item in fare)
            {
                PublicV.Traffic[0, index]  = item.a.Value;
                PublicV.Traffic[1, index]  = item.b.Value;
                PublicV.Traffic[2, index]  = item.c.Value;
                PublicV.Traffic[3, index]  = item.d.Value;
                PublicV.Traffic[4, index]  = item.e.Value;
                PublicV.Traffic[5, index]  = item.f.Value;
                PublicV.Traffic[6, index]  = item.g.Value;
                PublicV.Traffic[7, index]  = item.h.Value;
                PublicV.Traffic[8, index]  = item.i.Value;
                PublicV.Traffic[9, index]  = item.j.Value;
                PublicV.Traffic[10, index] = item.k.Value;
                PublicV.Traffic[11, index] = item.l.Value;
                PublicV.Traffic[12, index] = item.m.Value;
                PublicV.Traffic[13, index] = item.n.Value;
                PublicV.Traffic[14, index] = item.o.Value;
                PublicV.Traffic[15, index] = item.p.Value;
                PublicV.Traffic[16, index] = item.q.Value;
                PublicV.Traffic[17, index] = item.r.Value;
                PublicV.Traffic[18, index] = item.s.Value;
                PublicV.Traffic[19, index] = item.t.Value;
                PublicV.Traffic[20, index] = item.u.Value;
                PublicV.Traffic[21, index] = item.v.Value;
                PublicV.Traffic[22, index] = item.w.Value;
                PublicV.Traffic[23, index] = item.x.Value;
                PublicV.Traffic[24, index] = item.y.Value;
                PublicV.Traffic[25, index] = item.z.Value;
                index++;
            }
        }