ASP.NET MVC框架下添加菜单栏及分页项目

 1 public ActionResult MyStartedList(int page,string s)
 2 {
 3     //TableCategory()方法返回表单分类的数据模型TableCategory的一个实例，包含所有表单类型
 4     //将实例通过ViewData传递给MyStartedList.aspx
 5     IList<TableCategory> tablecategory = TableCategory();
 6     ViewData["TableCategory"] = tablecategory;
 7   
 8     var url = Request.RawUrl;
 9     if(page < 0) page = 1;
10     string html = string.Empty;
11     var viewModel = taskListRepository.GetSelfStartedTaskList(WebUser.Current.Id, url, s ,out html,page);
12     ViewData["pager"] = html;
13     return View(viewModel);
14 }

 1 <!-- 左侧表单分类，样式省略-->
 2 <div>
 3   <table id="category">
 4     <% foreach (var tableCategory in ViewData["TableCategory"] as IList<OA2.Core.Data.TableCategory>)
 5     {%>
 6     <tr>
 7       <td class="tt" id="<%tableCategory.Id%>">
 8         <%: tableCategory.Name%>
 9       </td>
10     </tr>
11     <%}%>
12   </table>    
13 </div>
14 
15 <!-- 右侧原来的表格及分页 -->
16 <div id="partial">
17   <table id="datalist">
18     <tr>
19       <th>...</th>
20       ...
21     </tr>
22     <!-- Model指MyStartedList.aspx继承的数据模型TaskSelfStarted的Model属性-->
23     <% foreach (var item in Model)
24     {%>
25     <tr>
26       <td><%: item.Subject%></td>
27       ...
28       <td>
29         <%: Html.ActionLink("处理明细","History",new { instanceId = item.InstanceId })%>
30         <%if (item.Status == "Cancelled")
31         {
32           using (Html.BeginForm("Activate","Flow"))
33           {%>
34             <%: Html.Hidden("fiid",item.InstanceId)%>
35             <input type="submit" value="激活" />
36          <%}
37         }%>
38       </td>
39     </tr>
40   </table>
41   <%=ViewData["pager"]%>
42 </div>
43 
44 <script type="text/javascript">
45   $(document).ready(function(){
46     $(".tt").click(function(){
47       //data中的各项参数均在MyStarted()中接收，且有相应的解释
48       //注意url和dataType
49       $.ajax({
50         type:"POST",
51         url:"MyStarted.aspx",
52         data:{
53           ttID:$(this).attr("id"),
54           page:1,
55           firstVisit:true,
56           rest:0,
57           last:false,
58           records:0
59         },
60         dataType:"html",
61         success:function(responseData){
62           $("#partial").html(responseData);
63         },
64         error:function(XMLHttpRequest, textStatus, errorThrown){
65           alert(XMLHttpRequest.readyState);
66           alert(XMLHttpRequest.status);
67         }
68       })
69     })
70   }
71 </script>

 1 public ActionResult MyStarted()
 2 {
 3     //ttID指选择的表单类型对应的id，page指需要显示的页的页码
 4     //rest指最后一页的记录数，最后一页需要单独考虑，last指当前page是否为最后一页
 5     //firstVisit指是否是第一次访问MyStarted()方法，如果是从MyStartedList.aspx访问，则为第一次访问，否则不是第一次访问
 6     //sblength指总的记录数
 7     //这些参数中page是动态更新的，ttID和sblength在方法和视图之间传递主要是为了保存数据
 8     string ttID = Request.Params["ttID"].ToString();
 9     int page = Convert.ToInt32(Request.Params["page"]);
10     int rest = Convert.ToInt32(Request.Params["rest"]);
11     bool last = Convert.ToBoolean(Request.Params["last"]);
12     bool firstVisit = Convert.ToBoolean(Request.Params["firstVisit"]);
13     int sblength = Convert.ToInt32(Request.Params["records"]);
14 
15     int num = 0, end = 0;
16     //每页20条数据
17     //如果当前页为最后一页，且数据不足20条
18     {
19         num = rest;
20         end = (page - 1) * 20;
21     }
22     else
23     {
24         num = 20;
25         end = page * 20;
26     }
27     SqlCommandHelper flows = new SqlCommandHelper(ConnectionStringManager.FlowDBConnectionString);
28     IList<TaskSelfStarted> task = new IList<TaskSelfStarted>();
29     StringBuilder sb = new StringBuilder();
30     //从数据库中取第 (end-num+1) 到 end 之间的数据，共 num 条
31     //要对选择的数据依据时间从进到远的顺序排序，所以先按倒序选end条数据，再将这些数据按顺序排序，选num条，最后再将它们按倒序排序
32     sb.Append("select * from(select top " + num + " * from(select top " + end + " * from ... order by Time desc) as a order by Time asc) as a order by Time desc");
33     flows.SetSb(sb);
34     DataTable dt = flows.OpenDataTable();
35     DataRow dr = null;
36     if(dt.Rows.Count != 0)
37     {
38         for(int i = 0; i < dt.Rows.Count; i++){
39             dr = dt.Rows[i];
40             task.Add(new TaskSelfStarted(){
41                 FlowName = dr["FlowName"].ToString();
42                 ......
43             });
44         }
45     }
46     
47     //第一次访问MyStarted()方法时，从数据库中获取符合条件的记录的总数，并将其赋值给sblength，传递给MyStarted.ascx
48     if(firstVisit == true){
49         SqlCommandHelper flowstotal = new SqlCommandHelper(ConnectionStringManager.FlowDBConnectionString);
50         StringBuilder sbtotal = new StringBuilder();
51         sbtotal.Append("select count(*) from ...");
52         flowstotal.SetSb(sbtotal);
53         DataTable dttotal = flowstotal.OpenDataTable();
54         sblength = Convert.ToInt32(dttotal.Rows[0][0]);
55     }
56     //将记录数、当前页码和所选的表单类型的id传给MyStarted.ascx，用于下一次请求本方法
57     ViewData["total"] = sblength;
58     ViewData["curpage"] = page;
59     ViewData["ttID"] = ttID;
60     return PartialView("MyStarted", task);
61 }