当前文件路径：OnLineExam/Web/admin_SingleSelectAdd.aspx.cs

		            
 1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Collections;
 5using System.Web;
 6using System.Web.Security;
 7using System.Web.UI;
 8using System.Web.UI.WebControls;
 9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11using MyOnLineExam.BusinessLogicLayer;
12
13public partial class Web_admin_SingleSelectAdd : System.Web.UI.Page
14...{
15    protected void Page_Load(object sender, EventArgs e)
16    ...{
17        if (!IsPostBack)
18        ...{
19            InitDDLData();          //初始化考试科目下拉列表框          
20            if (Request["ID"]!=null)//如果是修改题目，初始化数据
21            ...{
22                InitData();
23            }
24        }
25    }
26    //初始化考试科目
27    protected void InitDDLData()
28    ...{
29        Course course = new Course();       //创建考试科目对象
30        DataSet ds = course.QueryCourse();  //查询考试科目信息
31        ddlCourse.DataSource = ds;          //指名考试科目列表框数据源
32        ddlCourse.DataTextField = "Name";   //DataTextField显示Name字段值
33        ddlCourse.DataValueField = "ID";    //DataValueField显示ID字段值
34        ddlCourse.DataBind();               //绑定数据
35    }
36    //初始化数据
37    protected void InitData()
38    ...{
39        int SingleProblemID = int.Parse(Request["ID"].ToString());  //取出传递过来的试题编号
40        SingleProblem singleproblem = new SingleProblem();          //创建单选题对象
41        if (singleproblem.LoadData(SingleProblemID))                //如果取出题目信息，分别放在相应控件显示
42        ...{
43            ddlCourse.SelectedValue = singleproblem.CourseID.ToString();
44            txtTitle.Text = singleproblem.Title;
45            txtAnswerA.Text = singleproblem.AnswerA;
46            txtAnswerB.Text = singleproblem.AnswerB;
47            txtAnswerC.Text = singleproblem.AnswerC;
48            txtAnswerD.Text = singleproblem.AnswerD;
49            ddlAnswer.SelectedItem.Text = singleproblem.Answer;
50        }
51        else                //查询出错，给出提示
52        ...{
53            lblMessage.Text = "加载数据出错！";
54        }        
55    }
56
57    //添加或修改事件
58    protected void imgBtnSave_Click(object sender, ImageClickEventArgs e)
59    ...{
60        if (Page.IsValid)
61        ...{
62            SingleProblem singleproblem = new SingleProblem();          //创建单选题对象
63            singleproblem.CourseID = int.Parse(ddlCourse.SelectedValue);//为单选题对象各属性赋值
64            singleproblem.Title = txtTitle.Text;
65            singleproblem.AnswerA = txtAnswerA.Text;
66            singleproblem.AnswerB = txtAnswerB.Text;
67            singleproblem.AnswerC = txtAnswerC.Text;
68            singleproblem.AnswerD = txtAnswerD.Text;
69            singleproblem.Answer = ddlAnswer.SelectedItem.Text;
70            if (Request["ID"] != null)                                  //如果是修改题目信息
71            ...{
72                singleproblem.ID = int.Parse(Request["ID"].ToString()); //取出试题主键
73                if (singleproblem.UpdateByProc(int.Parse(Request["ID"].ToString())))//调用修改试题方法修改试题
74                ...{
75                    lblMessage.Text = "成功修改该单选题！";
76                }
77                else
78                ...{
79                    lblMessage.Text = "修改该单选题失败！";
80                }
81            }
82            else                                                        //如果是添加试题
83            ...{
84                if (singleproblem.InsertByProc())                       //调用添加试题方法添加试题
85                ...{
86                    lblMessage.Text = "成功添加该单选题！";
87                }
88                else
89                ...{
90                    lblMessage.Text = "添加该单选题失败！";
91                }
92            }                    
93        }
94    }
95}
96