zyxt/Student/EditZy.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 Student_EditZy : 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?注意作业批改情况!');");
        if (!this.Page.IsPostBack)
        {
            if (Request.Cookies["Login"] == null || Request.Cookies["Login"].Value.ToString() != "Student")
            {
                Response.Write(MessageBox.ShowMessage("请选登录！", "../Login.aspx"));
            }
            Label1.Text = "1";
            this.DataBindDataGrid();
        }
    }


    private void DataBindDataGrid()
    {
        //绑定作业信息表
        string sUid = Request.Cookies["Uid"].Value.ToString();
        int cutPage = Convert.ToInt32(this.Label1.Text);
        StudentClass Stc = new StudentClass();
        DataSet ds = Stc.GetZuoyeUid(sUid);
        System.Web.UI.WebControls.PagedDataSource ps = new PagedDataSource();
        ps.AllowPaging = true;
        ps.PageSize = 20;
        ps.CurrentPageIndex = cutPage - 1;
        ps.DataSource = ds.Tables["mytb"].DefaultView;
        LinkButton1.Visible = true;
        LinkButton2.Visible = true;
        LinkButton3.Visible = true;
        LinkButton4.Visible = true;
        if (ps.IsFirstPage)
        {
            LinkButton1.Visible = false;
            LinkButton2.Visible = false;
        }
        if (ps.IsLastPage)
        {
            LinkButton3.Visible = false;
            LinkButton4.Visible = false;
        }
        DataGrid1.DataSource = ps;
        DataGrid1.DataBind();
        Label2.Text = Convert.ToString(ps.PageCount);
    }
    //.....................................................//