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

public partial class Web_UserManage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            GridViewBind();
        }
        ImageButtonDelete.Attributes.Add("onclick", "javascript:return confirm('确定删除?');");
    }
    private void GridViewBind()
    {
        Users user = new Users();//创建Users类对象user
        DataSet ds = user.QueryUsers();//使用Users类QueryUsers方法查询所有用户信息
        GridView1.DataSource = ds;//为GridView控件指名数据源
        GridView1.DataBind();//GridView控件绑定数据
        LabelPageInfo.Text = "当前（第" + (GridView1.PageIndex + 1).ToString() + "页 共" + GridView1.PageCount.ToString() + "页）";
    }
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        GridViewBind();
    }

    //GridView控件RowDeleting事件
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        string userID = GridView1.DataKeys[e.RowIndex].Values[0].ToString(); //取出要删除记录的主键值
        Users user = new Users();//创建Users类对象user
        if (user.DeleteByProc(userID))//根据主键使用DeleteByProc方法删除用户
        {
            Response.Write("<script language=javascript>alert('删除成功!')</script>");
        }
        else
        {
            Response.Write("<script language=javascript>alert('删除失败!')</script>");
        }
        GridView1.EditIndex = -1;
        GridViewBind();//重新绑定数据

    }


    protected void ImageButtonQuery_Click(object sender, ImageClickEventArgs e)
    {       
        Hashtable queryItems = new Hashtable();