bookmanage.aspx.cs

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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using BookManage.Model;
using BookManage.BLL;

namespace BookManage.Admin
{
    /// <summary>
    /// BookModify 的摘要说明。
    /// </summary>
    public partial class BookManage : System.Web.UI.Page
    {
        protected void Page_Load(object sender, System.EventArgs e)
        {
            if (!Page.IsPostBack)
            {
                selectType.AutoBindData();
                filterType.AutoBindData();
            }
            txtSearch.Attributes.Add("onkeydown", "if(event.keyCode==13){document.getElementById('" + btnSearch.ClientID + "').focus();document.getElementById('" + btnSearch.ClientID + "').click();}");
            BindData();
        }



        #region Web 窗体设计器生成的代码
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
            //
            InitializeComponent();
            base.OnInit(e);
        }

        /// <summary>
        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
        /// 此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
        }
        #endregion
        protected void btnSubmit_Click(object sender, EventArgs e)
        {
            BookTypeInfo btInfo = new BookTypeInfo(int.Parse(selectType.SelectedValue), 0, string.Empty, string.Empty);
            BookInfo bookInfo = new BookInfo(txtDesc.Value.Trim(), txtBookName.Text.Trim(), false, txtCode.Value.Trim(), 0, btInfo);
            Book book = new Book();
            int id;
            if (ViewState["modifyID"] == null)
            {
                id = book.AddBook(bookInfo);
                if (id > 0)
                    lblNotify.Text = "添加成功";
                else
                    lblNotify.Text = "添加失败,添加过程出现错误";
            }
            else
            {
                id = Convert.ToInt32(ViewState["modifyID"]);
                bookInfo.BookId = id;
                if (book.ModifyBookInfo(bookInfo) > 0)
                    lblNotify.Text = "修改成功";
                else
                    lblNotify.Text = "修改失败,修改过程出现错误";

                ViewState.Remove("modifyID");
                ltMode.Visible = false;
            }
            BindData();
        }
        protected void btnSearch_ServerClick(object sender, EventArgs e)
        {
            ViewState.Add("search", "search");
            ViewState.Remove("type");
            BindData();
        }


        protected void bookList_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                BookInfo bookInfo = (BookInfo)e.Row.DataItem;
                if (bookInfo.BookStatus == false)
                    e.Row.Cells[4].Text = "未借出";
                else
                    e.Row.Cells[4].Text = "已借出";
            }
        }
        protected void filterType_SelectedIndexChanged(object sender, EventArgs e)
        {
            ViewState.Add("type", "type");
            ViewState.Remove("search");
            BindData();
        }

        protected void bookList_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            Book book = new Book();
            int bookId = Convert.ToInt32(bookList.DataKeys[e.RowIndex].Value);
            if (book.DeleteBookInfo(bookId) > 0)
                Page.RegisterStartupScript("deleted", "<script type=\"text/javascript\">alert('删除成功');</script>");
            else
                Page.RegisterStartupScript("deleted", "<script type=\"text/javascript\">alert('删除失败,删除过程出现错误');</script>");

            BindData();
        }
        protected void bookList_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            if (e.CommandName == "Modify")
            {
                int bookId = Convert.ToInt32(e.CommandArgument);
                ViewState.Add("modifyID", bookId);
                Book book = new Book();
                BookInfo bookInfo = book.GetBookById(bookId);
                txtBookName.Text = bookInfo.BookName;
                txtCode.Value = bookInfo.BookCode;
                txtDesc.Value = bookInfo.BookDesc;
                selectType.SelectedValue = bookInfo.BookTypeInfo.BookTypeId.ToString();
                ltMode.Visible = true;
                bookList.Visible = false;
            }
        }

        void BindData()
        {
            if (ViewState["search"] == null && ViewState["type"] == null)
            {
                bookList.DataSource = Book.GetBookList();
                bookList.DataBind();
            }
            else if (ViewState["search"] != null)
            {
                bookList.DataSource = Book.GetBookListByName(txtSearch.Value);
                bookList.DataBind();
            }
            else if (ViewState["type"] != null)
            {
                if (filterType.SelectedIndex == 0)
                    bookList.DataSource = Book.GetBookList();
                else
                {
                    int typeId = int.Parse(filterType.SelectedValue);
                    bookList.DataSource = Book.GetBookListByType(typeId);
                }
                bookList.DataBind();
            }
        }

}
}