Backup/WEB/UpdateStudent.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using BLL;
using Model;

namespace WEB
{
    public partial class UpdateStudent : System.Web.UI.Page
    {
        private GradeBll gradeBll = new GradeBll();
        private StuBll stuBll = new StuBll();
        private TeacherBll teacherBll = new TeacherBll();

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)//首次加载
            {
                // string stuID = string.Empty;
                if (Request.QueryString["stuId"] != null)
                {
                    int stuId = int.Parse(Request.QueryString["stuId"]);
                    List<Model.StuInfo> stuInfo = stuBll.GetStuInfoByID(stuId);
                    foreach (var i in stuInfo)
                    {
                        this.txtNmae.Text = i.stuName;
                        this.txtPwd.Text = i.stuPwd;
                       
                    }
                    this.btnAdd.Visible = false;
                }
                else
                {
                    this.btnUpdate.Visible = false;
                }
            }
        }

        protected void btnUpdate_Click(object sender, EventArgs e)
        {
            Model.StuInfo s = new StuInfo();
            s.stuName = this.txtNmae.Text;
            s.stuPwd = this.txtPwd.Text;
            int stuId = int.Parse(Request.QueryString["stuId"]);
            s.stuId = stuId;

            bool result = stuBll.UpdateStuInfo(s);

            if (result == true)
            {
                Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "update", "<script language='javascript' type='text/javascript'>alert('修改成功！');window.opener.location.href=window.opener.location.href;window.close();</script>");
            }
            else
            {
                Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "update", "<script language='javascript' type='text/javascript'>alert('修改成功！');</script>");
            }
        }