teachermanage.aspx.cs

精通网络应用系统开发 光盘 该书是人民邮电出版社出版的

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.Linq;
using System.Collections.Generic;

public partial class DesktopModules_Teacher_TeacherManage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {   ///绑定控件的数据
        if (!Page.IsPostBack) { BindTeacherData(); }
        ///添加删除确认对话框
        deleteBtn.Attributes.Add("onclick", "return confirm('" +
            ASPNET35System.OPERATIONDELETEMESSAGE + "');");
    }
    private void BindTeacherData()
    {
        ///定义获取数据的类
        TeacherM teacher = new TeacherM();
        Table<Teacher> rect = teacher.GetTeachers();
        ///设定控件的数据源
        TeacherList.DataSource = rect;
        ///设定控件的Text属性和Value属性
        TeacherList.DataTextField = "Name";
        TeacherList.DataValueField = "TeacherID";
        ///绑定控件的数据
        TeacherList.DataBind();
    }

    protected void AddBtn_Click(object sender, EventArgs e)
    {
        ///跳转到添加页面
        Response.Redirect("~/DesktopModules/Teacher/AddTeacher.aspx");
    }
    protected void editBtn_Click(object sender, ImageClickEventArgs e)
    {
        if (TeacherList.SelectedIndex > -1)
        {
            ///跳转到查看页面
            Response.Redirect("~/DesktopModules/Teacher/UpdateTeacher.aspx?TeacherID=" + TeacherList.SelectedValue);
        }
        else
        {
            ///显示操作结果信息
            Response.Write("<script>window.alert('" + ASPNET35System.OPERATIONNOSELECTMESSAGE + "')</script>");
        }
    }

    protected void deleteBtn_Click(object sender, ImageClickEventArgs e)
    {
        if (TeacherList.SelectedIndex > -1)
        {
            ///定义类Teacher
            TeacherM teacher = new TeacherM();
            try
            {
                ///删除
                teacher.DeleteTeacher(Int32.Parse(TeacherList.SelectedValue));

                ///显示操作结果信息
                Response.Write("<script>window.alert('" + ASPNET35System.OPERATIONDELETESUCCESSMESSAGE + "')</script>");

                ///重新绑定数据
                BindTeacherData();
            }
            catch (Exception ex)
            {
                ///显示添加操作中的失败、错误信息
                Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl="
                    + ASPNET35System.RedirectErrorUrl(Request.RawUrl)
                    + "&ErrorMessage=" + ex.Message.Replace("\n", " "));
            }
        }
        else
        {
            ///显示操作结果信息
            Response.Write("<script>window.alert('" + ASPNET35System.OPERATIONNOSELECTMESSAGE + "')</script>");
        }
    }
}