Exam/JudgeAdd.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;

public partial class Web_JudgeAdd : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            InitDDLData();              //初始化考试科目下拉列表框          
            if (Request["ID"] != null)  //如果是修改题目，初始化数据
            {
                InitData();
            }
        }
    }
         //初始化考试科目
    protected void InitDDLData()
    {
        Course course = new Course();       //创建考试科目对象
        DataSet ds = course.QueryCourse();  //查询考试科目信息
        ddlCourse.DataSource = ds;          //指名考试科目列表框数据源
        ddlCourse.DataTextField = "Name";   //DataTextField显示Name字段值
        ddlCourse.DataValueField = "ID";    //DataValueField显示ID字段值
        ddlCourse.DataBind();               //绑定数据
    }
    //初始化数据
    protected void InitData()
    {
        int judgeProblemID = int.Parse(Request["ID"].ToString());   //取出传递过来的试题编号
        JudgeProblem judgeproblem = new JudgeProblem();             //创建判断题对象
        if (judgeproblem.LoadData(judgeProblemID))                  //如果取出题目信息，分别放在相应控件显示
        {
            ddlCourse.SelectedValue = judgeproblem.CourseID.ToString();
            txtTitle.Text = judgeproblem.Title;
            rblAnswer.SelectedValue = judgeproblem.Answer.ToString();           
        }
        else                //查询出错，给出提示
        {
            lblMessage.Text = "加载数据出错！";
        }
    }
    //添加或修改事件
    protected void imgBtnSave_Click(object sender, ImageClickEventArgs e)
    {
        if (Page.IsValid)
        {
            JudgeProblem judgeproblem = new JudgeProblem();          //创建判断题对象
            judgeproblem.CourseID = int.Parse(ddlCourse.SelectedValue);//为判断题对象各属性赋值
            judgeproblem.Title = txtTitle.Text;
            judgeproblem.Answer = bool.Parse(rblAnswer.SelectedValue);