Exam/PaperLists.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;
using OnLineExam.DataAccessLayer;
using OnLineExam.BusinessLogicLayer;
using System.Data.SqlClient;

public partial class Web_PaperLists : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

            InitData();
        }
    }
    protected void InitData()
    {
        Paper paper = new Paper();
        DataSet ds = paper.QueryAllPaper();
        if (ds.Tables[0].Rows.Count > 0)
        {
            GridView1.DataSource = ds;
            GridView1.DataBind();
        }
        else
        {
            lblMessage.Text = "没有试卷!";
        }
    }
    //GridView控件RowCanceling事件
    protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
    {
        GridView1.EditIndex = -1;
        InitData();
    }
    //GridView控件RowDeleting事件
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        Paper paper = new Paper();      //创建Paper对象
        int ID = int.Parse(GridView1.DataKeys[e.RowIndex].Values[0].ToString()); //取出要删除记录的主键值
        if (paper.DeleteByProc(ID))
        {
            Response.Write("<script language=javascript>alert('成功删除该试卷！')</script>");          
        }
        else
        {
            Response.Write("<script language=javascript>alert('删除试卷失败！')</script>");
            
        }
        //InitData();
        Response.Redirect("PaperLists.aspx");