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HBDGI338O5Y15/createTest.aspx.cs[7K，2009-6-12 11:43:44]，
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1
using System;
2using System.Collections;
3using System.ComponentModel;
4using System.Data;
5using System.Drawing;
6using System.Web;
7using System.Web.SessionState;
8using System.Web.UI;
9using System.Web.UI.WebControls;
10using System.Web.UI.HtmlControls;
11using System.Data.SqlClient;
12using System.Data.SqlTypes;
13using System.Configuration;
14
15namespace TestOnline
16
...{
17
/**//// <summary>
18
/// createTest 的摘要说明。
19
/// </summary>
20 public class createTest : System.Web.UI.Page
21 ...{
22 protected System.Web.UI.WebControls.Label lbl_stuId;
23 protected System.Web.UI.WebControls.Label lbl_stuName;
24 protected System.Web.UI.WebControls.Label lbl_courseName;
25 protected System.Web.UI.WebControls.ImageButton Ibtn_submit;
26 protected System.Web.UI.WebControls.ImageButton Ibtn_createTest;
27 protected System.Web.UI.WebControls.Panel Panel2;
28 protected System.Web.UI.WebControls.LinkButton LinkButton2;
29 protected System.Web.UI.WebControls.Panel Panel1;
30
31 private void Page_Load(object sender, System.EventArgs e)
32 ...{
33 // 在此处放置用户代码以初始化页面
34 if(Session["stuId"]==null)
35 ...{
36 Response.Redirect("login.aspx");
37 }else
38 ...{
39 Ibtn_submit.Attributes.Add("OnClick","return confirm('你的确要交卷吗?交卷后将不能再考试!');");
40 string courseId=Convert.ToString(Session["courseId"]);
41 string stuId=Convert.ToString(Session["stuId"]);
42 string stuName=(new projClass()).getUserName(stuId);
43 string courseName=(new projClass()).getCourseNameAsCourseId(courseId);
44 lbl_stuId.Text=stuId;
45 lbl_stuName.Text=stuName;
46 lbl_courseName.Text=courseName;
47 /**//*
48 以下生成试题的思路:
49 通过存储过程在试题库里随机的选择出50道题,一旦生成后即往分数表里面添加记录,分数为0.
50 试题生成后,将试题的ID都存入一个哈希表,如果用户刷新,就判断分数表里面是否有记录,有则从哈希表里取出试题的ID,
51 再次生成,从而达到了防刷新的目的.(传统的考试系统在刷新之后能 再次生成试题)
52
53 */
54
55 //ifCreate表示是否已经生成过试题
56 int ifCreate=(new projClass()).ifCourseHasTest(stuId,courseId);
57 if(ifCreate!=1)
58 //if(!Page.IsPostBack)
59 ...{
60 SqlDataReader reader=(new projClass()).createTest(courseId);
61 //一旦生成的试题就向分数表score里面添加记录,分数为0,并且在学生表student里面改学生的状态
62 int count=(new projClass()).insertStuStatusToScore(stuId,courseId,0,0);
63 int count1=(new projClass()).updateStuStatus(stuId,courseId,1);
64 if(count==0||count1==0)
65 Response.Write("<script>alert(\"更新状态错误！\");</script>");
66 Hashtable ht_rightAnswer=new Hashtable();
67 Hashtable ht_stuTest=new Hashtable();//存储学生第一次进入页面时产生的题目ID,以免刷新时题目改变.
68 int num=1;
69 while(reader.Read())
70 ...{
71 Literal lit_testContent=new Literal();
72 RadioButtonList rbtnList=new RadioButtonList();
73 rbtnList.ID="rbtnList"+num.ToString();
74 //rbtnList.RepeatDirection=RepeatDirection.Horizontal;
75 lit_testContent.Text="<br>"+num.ToString()+"、"+Server.HtmlEncode(reader["testContent"].ToString())+"<br>";
76 rbtnList.Items.Add("A. "+Server.HtmlEncode(reader["testAns1"].ToString()));
77 rbtnList.Items.Add("B. "+Server.HtmlEncode(reader["testAns2"].ToString()));
78 rbtnList.Items.Add("C. "+Server.HtmlEncode(reader["testAns3"].ToString()));
79 rbtnList.Items.Add("D. "+Server.HtmlEncode(reader["testAns4"].ToString()));
80 //得到题目的正确答案,并添加到哈希表中
81 string testId=reader["testId"].ToString();
82 ht_stuTest.Add(num.ToString(),testId.ToString());
83 int rightAns=(new projClass()).getRightAnsAsTestId(testId);
84 ht_rightAnswer.Add(num.ToString(),rightAns);
85 // Response.Write(rightAns.ToString());
86 for(int j=1;j<=4;j++)
87 ...{
88 rbtnList.Items[j-1].Value=j.ToString();
89 }
90 if(num<=25)
91 ...{
92 Panel1.Controls.Add(lit_testContent);
93 Panel1.Controls.Add(rbtnList);
94 }
95 else
96 ...{
97 Panel2.Controls.Add(lit_testContent);
98 Panel2.Controls.Add(rbtnList);
99 }
100 num++;
101 }
102 Session["rightAnswer"]=ht_rightAnswer;
103 Session["stuTest"]=ht_stuTest;
104 }
105
106 //不是第一次进入页面
107 else
108 ...{ // int num=1;
109 //if(Session["ht_stuTest"]==null)
110 //Response.Write("<script>alert(\"由于刷新产生了错误!请重新登录或联系管理员!\");</script>");
111
112 Hashtable ht_stuTest=(Hashtable)Session["stuTest"];
113 string testId="";
114
115 DataSet ds;
116 bool find;
117 for(int num=1;num<=50;num++)
118 ...{
119 find=false;
120 IDictionaryEnumerator myEnumerator = ht_stuTest.GetEnumerator();
121 while(myEnumerator.MoveNext()&&!find)
122
123 if(myEnumerator.Key.Equals(num.ToString()))
124 ...{
125 testId=myEnumerator.Value.ToString();
126 find=true;
127 ds=(new projClass()).getTestInfoAsId(testId);
128 DataTable dt=ds.Tables["testInfo"];
129 DataRow dataRow=dt.Rows[0];
130 Literal lit_testContent=new Literal();
131 RadioButtonList rbtnList=new RadioButtonList();
132 rbtnList.ID="rbtnList"+num.ToString();
133 lit_testContent.Text="<br>"+num.ToString()+"、"+Server.HtmlEncode(Convert.ToString(dataRow["testContent"]))+"<br>";
134 rbtnList.Items.Add("A. "+Server.HtmlEncode(Convert.ToString(dataRow["testAns1"])));
135 rbtnList.Items.Add("B. "+Server.HtmlEncode(Convert.ToString(dataRow["testAns2"])));
136 rbtnList.Items.Add("C. "+Server.HtmlEncode(Convert.ToString(dataRow["testAns3"])));
137 rbtnList.Items.Add("D. "+Server.HtmlEncode(Convert.ToString(dataRow["testAns4"])));
138 //得到题目的正确答案,并添加到哈希表中
139
140 //ht_stuTest.Add(num.ToString(),testId.ToString());
141 int rightAns=(new projClass()).getRightAnsAsTestId(testId);
142 for(int j=1;j<=4;j++)
143 ...{
144 rbtnList.Items[j-1].Value=j.ToString();
145 }
146 if(num<=25)
147 ...{
148 Panel1.Controls.Add(lit_testContent);
149 Panel1.Controls.Add(rbtnList);
150 }
151 else
152 ...{
153 Panel2.Controls.Add(lit_testContent);
154 Panel2.Controls.Add(rbtnList);
155 }
156 }
157 }
158
159
160 }
161 }
162
163 }
164
165 Web 窗体设计器生成的代码#region Web 窗体设计器生成的代码
166 override protected void OnInit(EventArgs e)
167 ...{
168 //
169 // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
170 //
171 InitializeComponent();
172 base.OnInit(e);
173 }
174
175 /**//// <summary>
176 /// 设计器支持所需的方法 - 不要使用代码编辑器修改
177 /// 此方法的内容。
178 /// </summary>
179 private void InitializeComponent()
180 ...{
181 this.Ibtn_submit.Click += new System.Web.UI.ImageClickEventHandler(this.Ibtn_submit_Click);
182 this.Load += new System.EventHandler(this.Page_Load);
183
184 }
185 #endregion
186
187 private void Ibtn_submit_Click(object sender, System.Web.UI.ImageClickEventArgs e)
188 ...{
189 Hashtable ht_stuAnswer=new Hashtable();
190 /**//*RadioButtonList list1=(RadioButtonList)Panel1.FindControl("rbtnList1");
191 string ans1="";
192 if(Page.IsPostBack)
193 ans1+="back";
194 if(list1!=null)
195 ans1=list1.SelectedValue.ToString();
196
197 //RadioButtonList list;
198 string ans="";
199 ans=ans1;*/
200 string ans="";
201 for(int i=1;i<=50;i++)
202 ...{RadioButtonList list;
203 if(i<=25)
204 ...{
205 list=(RadioButtonList)Panel1.FindControl("rbtnList"+i.ToString());
206 }else list=(RadioButtonList)Panel2.FindControl("rbtnList"+i.ToString());
207 if(list!=null)
208 ...{ ans=list.SelectedValue.ToString();
209 if(!ht_stuAnswer.Contains(i.ToString()))
210 ht_stuAnswer.Add(i.ToString(),ans);
211 }else ans+=i.ToString()+"null";
212 }
213 Session["stuAnswer"]=ht_stuAnswer;
214 Session["ans"]=ans;
215 Response.Redirect("result.aspx?stuId="+Convert.ToString(Session["stuId"])+"courseId="+Convert.ToString(Session["courseId"]));
216 }
217
218
219 }
220
}
221
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