zyxt/Teacher/PgZuoye.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;

public partial class Teacher_PgZuoye: System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        btnDelete.Attributes.Add("onclick", "return confirm('确认删除所选信息吗?');");
        if (!this.Page.IsPostBack)
        {
            if (Request.Cookies["Login"] == null || Request.Cookies["Login"].Value.ToString() != "Teacher")
            {
                Response.Write(MessageBox.ShowMessage("请选登录！", "../Login.aspx"));
            }
            Label1.Text = "1";
            this.DataBindDro();
            this.DataBindDataGrid();
        }
    }

    private void DataBindDro()
    {
        //绑定作业下拉例表框
        string sUid = Request.Cookies["Uid"].Value.ToString();
        TeacherClass Tcs = new TeacherClass();
        DataSet ds = Tcs.GetZuoyeMess(sUid);
        DropDownList1.DataSource = ds.Tables["mytb"].DefaultView;
        DropDownList1.DataTextField = "Zy_Title";
        DropDownList1.DataValueField = "Zy_ID";
        DropDownList1.DataBind();
    }
    private void DataBindDataGrid()
    {
        //绑定作业信息表
        int nID = 0;
        if (DropDownList1.Items.Count<=0)
        {
            nID = 0;
            LinkButton1.Visible = false;
            LinkButton2.Visible = false;
            LinkButton3.Visible = false;
            LinkButton4.Visible = false;
        }
        else
        {
            nID = Convert.ToInt32(DropDownList1.SelectedItem.Value.ToString());
            string sUid = Request.Cookies["Uid"].Value.ToString();
            int cutPage = Convert.ToInt32(this.Label1.Text);
            TeacherClass Tcs = new TeacherClass();
            DataSet ds = Tcs.GetZuoyeMessage(nID);
            System.Web.UI.WebControls.PagedDataSource ps = new PagedDataSource();
            ps.AllowPaging = true;