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[Repeater]回一个兄弟的提问

http://q.cnblogs.com/q/41718/

  1 namespace WebApp
  2 {
  3     class School
  4     {
  5         public string Name
  6         {
  7             get;
  8             set;
  9         }
 10 
 11         public List<Grade> grades;
 12     }
 13     class Grade
 14     {
 15         public string Name
 16         {
 17             get;
 18             set;
 19         }
 20 
 21         public List<Class> classes;
 22     }
 23     class Class
 24     {
 25         public string Name
 26         {
 27             get;
 28             set;
 29         }
 30     }
 31     public partial class _Default : System.Web.UI.Page
 32     {
 33         protected void Page_Load(object sender, EventArgs e)
 34         {
 35             List<School> schools=new List<School>();
 36 
 37             //高中
 38             School s1 = new School();
 39             s1.Name = "高中";
 40             s1.grades = new List<Grade>();
 41 
 42             //高三
 43             Grade g11 = new Grade();
 44             g11.Name = "2001级 三年级";
 45             g11.classes = new List<Class>();
 46 
 47             Class c111 = new Class();
 48             c111.Name = "1班";
 49             g11.classes.Add(c111);
 50 
 51             Class c112 = new Class();
 52             c112.Name = "2班";
 53             g11.classes.Add(c112);
 54 
 55             Class c113= new Class();
 56             c113.Name = "3班";
 57             g11.classes.Add(c113);
 58 
 59             Class c114 = new Class();
 60             c114.Name = "4班";
 61             g11.classes.Add(c114);
 62 
 63             Class c115 = new Class();
 64             c115.Name = "5班";
 65             g11.classes.Add(c115);
 66 
 67             Class c116 = new Class();
 68             c116.Name = "6班";
 69             g11.classes.Add(c116);
 70 
 71             s1.grades.Add(g11);
 72 
 73             //高二
 74             Grade g12 = new Grade();
 75             g12.Name = "2002级 二年级";
 76             g12.classes = new List<Class>();
 77 
 78             Class c121 = new Class();
 79             c121.Name = "1班";
 80             g12.classes.Add(c121);
 81 
 82             Class c122 = new Class();
 83             c122.Name = "2班";
 84             g12.classes.Add(c122);
 85 
 86             Class c123 = new Class();
 87             c123.Name = "3班";
 88             g12.classes.Add(c123);
 89 
 90             Class c124 = new Class();
 91             c124.Name = "4班";
 92             g12.classes.Add(c124);
 93 
 94             Class c125 = new Class();
 95             c125.Name = "5班";
 96             g12.classes.Add(c125);
 97 
 98             s1.grades.Add(g12);
 99 
100             //高一
101             Grade g13 = new Grade();
102             g13.Name = "2002级 二年级";
103             g13.classes = new List<Class>();
104 
105             Class c131 = new Class();
106             c131.Name = "1班";
107             g13.classes.Add(c131);
108 
109             Class c132 = new Class();
110             c132.Name = "2班";
111             g13.classes.Add(c132);
112 
113             Class c133 = new Class();
114             c133.Name = "3班";
115             g13.classes.Add(c133);
116 
117             Class c134 = new Class();
118             c134.Name = "4班";
119             g13.classes.Add(c134);
120 
121             Class c135 = new Class();
122             c135.Name = "5班";
123             g13.classes.Add(c135);
124 
125             Class c136 = new Class();
126             c136.Name = "6班";
127             g13.classes.Add(c136);
128 
129             Class c137 = new Class();
130             c137.Name = "7班";
131             g13.classes.Add(c137);
132 
133             Class c138 = new Class();
134             c138.Name = "8班";
135             g13.classes.Add(c138);
136 
137             s1.grades.Add(g13);
138 
139             schools.Add(s1);
140 
141             //初中
142             School s2 = new School();
143             s2.Name = "初中";
144             s2.grades = new List<Grade>();
145 
146             //初四
147             Grade g21 = new Grade();
148             g21.Name = "2004级 四年级";
149             g21.classes = new List<Class>();
150 
151             Class c211 = new Class();
152             c211.Name = "1班";
153             g21.classes.Add(c211);
154 
155             Class c212 = new Class();
156             c212.Name = "2班";
157             g21.classes.Add(c212);
158 
159             Class c213 = new Class();
160             c213.Name = "3班";
161             g21.classes.Add(c213);
162 
163             Class c214 = new Class();
164             c214.Name = "4班";
165             g21.classes.Add(c214);
166 
167             Class c215 = new Class();
168             c215.Name = "5班";
169             g21.classes.Add(c215);
170 
171             Class c216 = new Class();
172             c216.Name = "6班";
173             g21.classes.Add(c216);
174 
175             s2.grades.Add(g21);
176 
177             schools.Add(s2);
178 
179 
180             rptSchool.DataSource = schools;
181             rptSchool.DataBind();
182 
183         }
184 
185         //绑定初高中,大学，研究生...神马时处理...
186         protected void rptSchool_ItemDataBound(object sender, RepeaterItemEventArgs e)
187         {
188             //<ItemTemplate> || <AlternatingItemTemplate>
189             if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
190             {
191                 Repeater rpt = e.Item.FindControl("rptGrade") as Repeater;
192                 School s = (School)e.Item.DataItem;
193 
194                 rpt.DataSource = s.grades;
195                 rpt.DataBind();
196             }
197         }
198 
199         //绑定一年级，二年级...神马时处理...
200         protected void rptGrade_ItemDataBound(object sender, RepeaterItemEventArgs e)
201         {
202             //<ItemTemplate> || <AlternatingItemTemplate>
203             if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
204             {
205                 Repeater rpt = e.Item.FindControl("rptClass") as Repeater;
206                 Grade g = (Grade)e.Item.DataItem;
207 
208                 rpt.DataSource = g.classes;
209                 rpt.DataBind();
210             }
211         }
212     }
213 }

 1    <asp:Repeater runat="server" ID="rptSchool" OnItemDataBound="rptSchool_ItemDataBound">
 2         <HeaderTemplate>
 3         <div id="Demo">    
 4         </HeaderTemplate>
 5         <ItemTemplate>
 6             <div class="school">
 7                 <h2><%# Eval("Name") %></h2>
 8                 <asp:Repeater runat="server" ID="rptGrade" OnItemDataBound="rptGrade_ItemDataBound">
 9                     <HeaderTemplate>
10                         <ul class="grade">    
11                     </HeaderTemplate>
12                     <ItemTemplate>
13                             <li><span class="gname"><%# Eval("Name") %></span><asp:Repeater runat="server" ID="rptClass"><ItemTemplate><a class="cls"><%# Eval("Name") %></a></ItemTemplate></asp:Repeater></li>
14                     </ItemTemplate>
15                     <FooterTemplate>
16                         </ul>
17                     </FooterTemplate>
18                 </asp:Repeater>
19             </div>
20         </ItemTemplate>
21         <FooterTemplate>
22         </div>
23         </FooterTemplate>
24     </asp:Repeater>

 1 <style type="text/css">
 2 ul,li
 3 {
 4     margin:0;
 5     padding:0;
 6     list-style:none;
 7 }
 8     .school h2
 9     {
10         font-size:14px;
11         color:#C00;
12     }
13     .grade li
14     {
15         margin:4px 0;
16     }
17     .gname
18     {
19         color:#960;
20         line-height:24px;
21         background-color:#FFEECC;
22         display:inline-block;
23         padding:0 5px;
24     }
25 
26     .grade li a
27     {
28         display:inline-block;
29         background-color:#f0f0f0;
30         margin:0 5px;
31         line-height:24px;
32         padding:0 5px;
33     }
34 </style>

注:代码随手一写，不要直接用于生产环境;-)

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原文地址：https://www.cnblogs.com/xcf007/p/2709795.html