/// <summary>
/// 搜索图书
/// 按书名
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void BSearch_Click(object sender, EventArgs e)
{
string queryCondition = "bookName:" + TextBInputSearch.Text;//获取用户搜索条件
List <Book> queryBooks = OnlineBookStore.App_Code.User.QueryBookFromDb(queryCondition);
GridVShowBook.DataSource = queryBooks;//绑定用户查询的书籍
GridVShowBook.DataBind();
}
/// <summary>
/// 高级搜索模块
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void BConSearchGo_OnClick(object sender, EventArgs e)
{
string bookId = TextBConBookID.Text;
string bookCategory = lbCategory.Text;
string bookAuthor = TextBConAuthor.Text;
string bookPress = TextBConPress.Text;
//组装查询语句，供生成数据库查询语句
string queryCondition = null;
if (bookCategory != "")
{
AddSpaceOrNot(queryCondition);
queryCondition += "bookCategory:" + bookCategory;
}
if (bookId != "")
{
AddSpaceOrNot(queryCondition);
queryCondition += "bookID:" + bookId;
}
if (bookAuthor != "")
{
AddSpaceOrNot(queryCondition);
queryCondition += "bookAuthor:" + bookAuthor;
}
if (bookPress != "")
{
AddSpaceOrNot(queryCondition);
queryCondition += "bookPress:" + bookPress;
}
List <Book> queryBookList = OnlineBookStore.App_Code.User.QueryBookFromDb(queryCondition); //获取到需要查询的书籍
GridVShowBook.DataSource = queryBookList; //绑定用户查询的书籍
GridVShowBook.DataBind();
}
protected void Page_Load(object sender, EventArgs e)
{
if (Session["User"] != null)
{
manager = (Manager)Session["User"];
}
//根据销量查询书籍
if (Session["DefaultBook"] == null)
{
defaultBooks = OnlineBookStore.App_Code.User.RecommendedBook(); //根据销量展示
Session["DefaultBook"] = defaultBooks; //存储，减少数据库访问
}
//直接读取已经存储的书籍
else
{
defaultBooks = (List <Book>)Session["DefaultBook"];
}
if (!IsPostBack)
{
GridVShowBook.DataSource = defaultBooks;
GridVShowBook.DataBind();
}
}