booklists.aspx.cs

实现了图书管理系统

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using MyLibrary.BusinessLogicLayer;

public partial class BookManage_BookLists : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!this.IsPostBack)
        {
            GridViewBind();
        }
    }

    private void GridViewBind()
    {
        Book book = new Book();
        DataSet ds = book.QueryBooks();
        GridView1.DataSource = ds;
        GridView1.DataBind();
    }

    protected void GridView1_PageIndexChanged(object sender, EventArgs e)
    {
        
    }
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        int bookID = int.Parse(GridView1.DataKeys[e.RowIndex].Values[0].ToString()); //取出要删除记录的主键值
        Book book = new Book();
        if (book.DeleteByProc(bookID))
        {
            Response.Write("<script language=javascript>alert('删除成功!')</script>");
        }
        else
        {
            Response.Write("<script language=javascript>alert('删除失败!')</script>");
        }
        GridView1.EditIndex = -1;
        GridViewBind();
    }
    //GridView的分页事件
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;//为GridView控件设置新的页索引
        GridViewBind();//重新绑定数据
    }
    protected void imgBtnQuery_Click(object sender, ImageClickEventArgs e)
    {
        try
        {
            int bookID = Convert.ToInt32(txtBookID.Text.ToString());
            Response.Redirect("BookDetails.aspx?bookID=" + bookID);
        }
        catch
        {
            Response.Write("对不起，没有该书信息！");
            Response.End();
        }
    }
}