readermodify.aspx.cs

这是一个很好的图书管理系统 数据库SQL2005

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;

public partial class ReaderModify : System.Web.UI.Page
{
    BLL.T_Reader read = new BLL.T_Reader();

    protected void Page_Load(object sender, EventArgs e)
    {
        try
        {
            //验证Session对象，判断用户是否登陆
            if (Session["UserID"].ToString() == "" || Session["UserID"].ToString() == null || Session["Level"].ToString() != "1")
            {
                Response.Redirect("Login.aspx");
                return;
            }
        }
        //Session对象未初始化，跳转登陆页面。
        catch (NullReferenceException)
        {
            Response.Redirect("Login.aspx");
        }
        if (!IsPostBack)
        {
            string id = "";
            try
            {
                id = Request.QueryString["Readerid"].ToString();
            }
            catch (NullReferenceException)
            {
                Response.Redirect("Login.aspx");
            }
            PublicClass.ReaderModel reader = new PublicClass.ReaderModel();
            reader.ReaderID = int.Parse(id);
            lblReaderID.Text = id.ToString();
            read.Reader = reader;
            //查询读者详细信息
            read.SelectReaderID();
            lblCardID.Text = reader.CardID;
            txtname.Text = reader.ReaderName;
            txttel.Text = reader.Tel;
        }
    }

    protected void btn_Update_Click(object sender, EventArgs e)
    {
        PublicClass.ReaderModel reader = new PublicClass.ReaderModel();
        reader.ReaderID = int.Parse(lblReaderID.Text);
        reader.CardID = lblCardID.Text;
        reader.ReaderName = txtname.Text;
        reader.Tel = txttel.Text;
        read.Reader = reader;
        int re = read.UpdateReader();
        switch (re)
        {
            case 1:
                Response.Redirect("ReaderMan.aspx");
                break;
            case 0:
                this.ClientScript.RegisterStartupScript(GetType(), "", "<script>alert('修改失败')</script>");
                break;
        }
    }
}