protected void Button1_Click(object sender, EventArgs e)
        {

            string imgurl = thefilePath;
            string title = booknameLable.Text;
            float price = int.Parse(TextBox6.Text) + int.Parse(TextBox7.Text)/(float)100;
            string author = authorLable.Text;
            string publisher = publisherLable.Text;
            string isbn = isbnLabel.Text;
            string info = TextBox5.Text;
            bool shelf = RadioButton1.Checked;
            int typeid = int.Parse(DropDownList1.SelectedValue);
            int amount = int.Parse(TextBox8.Text);
            bookBLL bb = new bookBLL();
            int sellerID = Convert.ToInt32(Session["userid"]);
            int result = bb.insertBook(sellerID, typeid, title, author, publisher, isbn, info, price, amount,
                shelf, imgurl);
            if (result == 1)
                Response.Redirect("~/Seller/Booklist.aspx?id=" + sellerID.ToString());
            else
            {
                lblMessage.Text = "添加书本失败";
                UpdatePanel1.Update(); 
            }
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            HttpCookie oldcookie = Request.Cookies["preferences"];
            if (oldcookie != null)
            {
                Session["userid"] = oldcookie["userid"];
                Session["role"] = oldcookie["role"];
                Session["username"] = oldcookie["username"];
            }
            bookBLL bl  = new bookBLL();

            GridView1.DataSource = bl.getNewBooks(10);
            GridView1.DataBind();

            int role = Convert.ToInt32(Session["role"]);
            //System.Diagnostics.Debug.WriteLine("我是角色" + role);
            if (role == 1)
                customerManager1.Visible = true;
            else
                if (role == 2)
                    SellerManager1.Visible = true;
                else
                    if (role == 3)
                        AdminManager1.Visible = true;

        }
 protected void Page_Load(object sender, EventArgs e)
 {
     int typeid = int.Parse(Request.QueryString["typeid"].ToString());
     if (typeid < 0 || typeid > 11)
         Response.Redirect("~Error/aspx");
     bookBLL bl = new bookBLL();
     GridView1.DataSource = bl.getAllBooksAType(typeid);
     GridView1.DataBind();
     string leibie = "类别:";
     string type = "";
     switch (typeid)
     {
         case 1: type = leibie+"文学"; break;
         case 2: type = leibie + "少儿"; break;
         case 3: type = leibie + "管理"; break;
         case 4: type = leibie + "励志与成功"; break;
         case 5: type = leibie + "人文社科"; break;
         case 6: type = leibie + "生活"; break;
         case 7: type = leibie + "艺术"; break;
         case 8: type = leibie + "科技"; break;
         case 9: type = leibie + "计算机与互联网"; break;
         case 10: type = leibie + "教育"; break;
         case 11: type = leibie + "期刊"; break;
     }
     bookType.Text = type;
 }
        protected void Button1_Click(object sender, EventArgs e)
        {
            string key = TextBox1.Text;
            bookBLL bl = new bookBLL();
            if (RadioButton1.Checked) 
            GridView1.DataSource = bl.searchBook(1, key);
            else
                if(RadioButton2.Checked)
                    GridView1.DataSource = bl.searchBook(2, key);
                else
                    if(RadioButton3.Checked)
                        GridView1.DataSource = bl.searchBook(3, key);
                    else
                        if(RadioButton4.Checked)
                            GridView1.DataSource = bl.searchBook(4, key);
            GridView1.DataBind();

        }