book.aspx.cs

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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;

//该源码下载自www.51aspx.com(５１ａｓｐｘ．ｃｏｍ)

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            bookinfo();
        }
    }
    public void bookinfo()
    {
        string book = "select * from tblBook";
        GridView1.DataSource = Class1.ExecSel(book);
        GridView1.DataBind();
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        Response.Redirect("addbook.aspx");
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        string bookinfo="";
        switch (DropDownList1.SelectedValue)
        { 
            case "名称":
                bookinfo = "select * from tblBook where bookName like'%"+TextBox1.Text+"%'";
                break;
            case"作者":
                bookinfo = "select * from tblBook where bookAuthor like'%"+TextBox1.Text+"%'";
                break;
            case"出版社":
                bookinfo = "select * from tblBook where publisher like'%"+TextBox1.Text+"%'";
                break;
         }
         GridView1.DataSource = Class1.ExecSel(bookinfo);
         GridView1.DataBind();
    }
    protected void GridView1_PageIndexChanging1(object sender, GridViewPageEventArgs e)
    {
         GridView1.PageIndex = e.NewPageIndex;
         bookinfo();
    }

    //删除书籍
    protected void GridView1_RowDeleting1(object sender, GridViewDeleteEventArgs e)
    {
        string sqldel = "delete from tblBook where bookID="+GridView1.DataKeys[e.RowIndex].Value+"";