动态获取ul,li的数据

 通过一个小例子讲下动态获取li标签的数据,前台页面原有样式:

 1   <div class="flone">
 2  2             <ul class="fltwo">
 3  3              <li class="fole" id="dk1"><a><div class="liuliang">20M</div><div class="jiage">10元</div></a></li>
 4  4              <li class="foce" id="dk2"><a><div class="liuliang">50M</div><div class="jiage">30元</div></a></li>
 5  5              <li class="fori" id="dk3"><a><div class="liuliang">100M</div><div class="jiage">50元</div></a></li>
 6  6              <li class="fole" id="dk4"><a><div class="liuliang">200M</div><div class="jiage">70元</div></a></li>
 7  7              <li class="foce" id="dk5"><a><div class="liuliang">300M</div><div class="jiage">100元</div></a></li>
 8  8              <li class="fori" id="dk6"><a><div class="liuliang">500M</div><div class="jiage">150元</div></a></li>
 9  9              <li class="fole" id="dk7"><a><div class="liuliang">1G</div><div class="jiage">200元</div></a></li>
10 10             </ul>
11 11 </div>

如上代码所示,现在的需求是把li里的数据动态读取出来,代码修改如下:

<form id="form1" runat="server">
   <div class="flone">
             <ul class="fltwo">
               <%=updateCSS%>
            </ul>
    </div>
 </form>

说明:<%=updateCSS%>updateCSS是后台的变量,在后台要给updateCSS赋值,里面的值就是你自己(从数据库或者接口)获取到的

 1 string url2 = "~/meallist";//获取数据的链接
 2 
 3             string ss = HttpHelper.HttpPostResponse(url2, pan, 0, null, null);//接收到的数据
 4 
 5             string[] strArray = ss.Split(new String[] { "##" }, StringSplitOptions.RemoveEmptyEntries);
 6 
 7             string temp = "<li class="{0}"><a><div class="liuliang">{1}</div><div class="jiage">{2}元</div></a><input type="hidden" name="price" value="{2}" /><input type="hidden" name="MEALID" value="{3}" /></li>";
 8             StringBuilder builder = new StringBuilder();
 9            decimal price;
10             for (int i=0;i< strArray.Length;i++)
11             {
12                 string[] items = strArray[i].Split('#');
13                 if (i == 1 || i == 4 || i == 7)
14                 {
15                     price = Math.Round(decimal.Parse(items[2]),0);
16                     builder.AppendFormat(temp, "foce", items[1], price, items[0]);
17                 }
18                 else
19                 {
20                     price = Math.Round(decimal.Parse(items[2]),0);
21                     builder.AppendFormat(temp, "fole", items[1], price, items[0]);
22                 }
23 
24             }
25             updateCSS = builder.ToString();

也可以用其他的方式,repeater控件或者datalist控件等等

原文地址:https://www.cnblogs.com/chenlihong-886/p/5756728.html