admin_userlists.aspx.cs

一个功能比较全的Asp.net在线考试系统源码

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 MyOnLineExam.BusinessLogicLayer;

public partial class Web_admin_UserLists : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            ImageButton1.Attributes.Add("OnClick", "javascript:return confirm('确实要删除这些用户吗？')");
            InitData();  //绑定用户信息        
        }
    }
    //初始化用户表格
    protected void InitData()
    {
        Users user = new Users();           //创建Users对象
        DataSet ds = user.QueryUsers();     //调用QueryUsers方法查询用户并将查询结果放到DataSet数据集中
        GridView1.DataSource = ds;          //为GridView控件指名数据源        
        GridView1.DataBind();               //绑定数据
    }
    //GridView控件RowDeleting事件
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        Users user = new Users();           //创建Users对象
        string ID = GridView1.DataKeys[e.RowIndex].Values[0].ToString(); //取出要删除记录的主键值
        if (user.DeleteByProc(ID))
        {
            Response.Write("<script language=javascript>alert('成功删除该用户！')</script>");
        }
        else
        {
            Response.Write("<script language=javascript>alert('删除该用户失败！')</script>");
        }
        GridView1.EditIndex = -1;
        InitData();
    }
    //GridView控件RowUpdating事件
    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        string ID = 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对象
        user.UserName = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("txtName")).Text;
        user.UserPower = int.Parse(((TextBox)GridView1.Rows[e.RowIndex].FindControl("txtPower")).Text);        
        if (user.UpdateByProc(ID))//使用Users类UpdateByProc方法修改用户信息
        {
            Response.Write("<script language=javascript>alert('修改成功!')</script>");
        }
        else
        {
            Response.Write("<script language=javascript>alert('修改失败!')</script>");
        }
        GridView1.EditIndex = -1;
        InitData();
    }
    //GridView控件RowCanceling事件
    protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
    {
        GridView1.EditIndex = -1;
        InitData();
    }
    //GridView控件RowEditing事件
    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    {        
        GridView1.EditIndex = e.NewEditIndex;  //GridView编辑项索引等于单击行的索引
        InitData();
    }
    //批量删除事件
    protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
    {
        Users user = new Users(); //创建Users对象      
        foreach (GridViewRow dr in GridView1.Rows)//对GridView中每行进行判断
        {
            if (((CheckBox)dr.FindControl("xuanze")).Checked)//如果该行复选按钮选择则删除
            {
                string ID = ((Label)dr.FindControl("Label1")).Text;//取出主键
                user.UserID = ID;
                user.DeleteByProc(ID);//调用Users类DeleteByProc方法删除用户
            }
        }
    }
}