前端在aspx中,添加生成checkbox的容器div:

<div id="container" runat="server"></div>

 

后台cs代码如下:

 1 private DbHelper m_oDbHelper = null;//dll,数据访问类
 2 protected void Page_Load(object sender, EventArgs e)
 3         {
 4             if (!IsPostBack)
 5             {
 6                                            
 7                 int i = 0;
 8                 try
 9                 {
10                     if (this.m_oDbHelper == null)
11                     {
12                         this.m_oDbHelper = new DbHelper();
13                     }
14                     this.m_oDbHelper.OpenDbResource("");//打开数据库
15 
16                     DbCommand oCmd = m_oDbHelper.CreateDbCommand();
17                     oCmd.CommandType = CommandType.Text;//指定sql类型是存储过程还是文本
18                     oCmd.CommandText = string.Format("select AreaId,AreaName from TB_PropArea  where AreaId = ParentAreaId order by AreaId,AreaName");//从数据库中选择出checkbox的id和checkbox显示的名称
19                     oCmd.Parameters.Clear();
20 
21                     IDataReader reader = oCmd.ExecuteReader();
22 
23                     while (reader.Read())
24                     {
25                         CheckBox cbk = new CheckBox();
26                         string sza = reader.GetValue(1).ToString();
27                        
28                         cbk.ID = reader.GetValue(0).ToString();
29                         cbk.Text = i + 1 + ". " + sza;
30                         this.container.Controls.Add(cbk);
31                         LogCentral.CurrentLogger.LogInfo("cbk" + (i + 1) + " " + cbk.ID + cbk.Text);//log文件,可以忽略
32                         
33                         i++;
34                     }
35 
36                 }
37                 catch(Exception ex)
38                 {
39                     LogCentral.CurrentLogger.LogInfo(ex.ToString ());
40                 }
41                 finally
42                 {
43                     m_oDbHelper.CloseDbResource();
44                 }
45             }
46 }

生成后画面如下:c#根据后台数据,自动生成checkbox

 

html显示如下:

<div id="container"><input id="Area000015" type="checkbox" name=Area000015" /><label for="Area000015">1. 色差值</label>
<input id="Area000016" type="checkbox" name=Area000016" /><label for="Area000016">2. 平方米克重</label>
<input id="Area000017" type="checkbox" name=Area000017" /><label for="Area000017">3. 厚度</label>
<input id="Area000018" type="checkbox" name=Area000018" /><label for="Area000018">4. 拉力强度</label>
<input id="Area000019" type="checkbox" name=Area000019" /><label for="Area000019">5. 伸长率</label>
<input id="Area000020" type="checkbox" name=Area000020" /><label for="Area000020">6. 静负荷伸长率</label>
<input id="Area000021" type="checkbox" name=Area000021" /><label for="Area000021">7. 残余伸长率</label>
<input id="Area000022" type="checkbox" name=Area000022" /><label for="Area000022">8. 撕裂强度</label>
<input id="Area000023" type="checkbox" name=Area000023" /><label for="Area000023">9. 剥离强度</label>
<input id="Area000024" type="checkbox" name=Area000024" /><label for="Area000024">10. 层间剥离强度</label>
<input id="Area000025" type="checkbox" name=Area000025" /><label for="Area000025">11. 缝口拉断强度</label>
<input id="Area000026" type="checkbox" name=Area000026" /><label for="Area000026">12. 气味试验(80℃*2hrs)</label>
<input id="Area000027" type="checkbox" name=Area000027" /><label for="Area000027">13. 阻燃性</label><input >25. EE</label></div>

 

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