Asp.Net 简单考题管理系统

default.aspx.cs
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
using System.Data.OleDb;
using System.IO;
namespace Web0531
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
db.dataBind(ListView1, "select * from exam order by id");
try
{
int PageSize = (int)Session["PageSize"]; // 保证从修改页面能返回到原来的页面
int StartRowIndex = (int)Session["StartRowIndex"];
((DataPager)ListView1.FindControl("DataPager1")).SetPageProperties(StartRowIndex, PageSize, true);
}
catch { }
}
}
// 数据项绑定后，将正确答案的选项“蓝色、加粗”显示
protected void ListView1_ItemDataBound(object sender, ListViewItemEventArgs e)
{
try
{
Label lb = (Label)e.Item.FindControl("answerLabel"); // 取答案
string ans = lb.Text.Trim() + "Label"; // 如果答案是a;b;c;d其中之一
Label lbans = (Label)e.Item.FindControl(ans); // 没有答案时会出错
lbans.CssClass = "bb"; // 设置答案选项的样式
}
catch { }
}
// 翻页时执行
protected void ListView1_PagePropertiesChanged(object sender, EventArgs e)
{
int PageSize = ((DataPager)ListView1.FindControl("DataPager1")).PageSize; // 每页记录数
int StartRo