当前文件： OnlineVote/App_Code/IItem.cs[1K，2009-6-12 11:51:27]，打开代码结构图

		            
 1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Web;
 5using System.Web.Security;
 6using System.Web.UI;
 7using System.Web.UI.WebControls;
 8using System.Web.UI.WebControls.WebParts;
 9using System.Web.UI.HtmlControls;
10using System.Data.SqlClient;
11
12/**//// <summary>
13/// 接口IItem
14/// </summary>
15public interface IItem
16...{
17    /**//// <summary>
18    /// 获取所有选择项信息
19    /// </summary>
20    /// <returns></returns>
21    SqlDataReader GetItems();
22
23    /**//// <summary>
24    /// 获取投票主题的所有选择项
25    /// </summary>
26    /// <param name="nTopicID"></param>
27    /// <returns></returns>
28    SqlDataReader GetItemByTopic(int nTopicID);
29
30    /**//// <summary>
31    /// 获取投票项目的所有选择项
32    /// </summary>
33    /// <param name="nSubjectID"></param>
34    /// <returns></returns>
35    SqlDataReader GetItemBySubject(int nSubjectID);
36
37    /**//// <summary>
38    /// 获取投票项目的所有选择项的票的总数
39    /// </summary>
40    /// <param name="nSubjectID"></param>
41    /// <returns></returns>
42    SqlDataReader GetItemVoteCountBySubject(int nSubjectID);
43
44    /**//// <summary>
45    /// 获取单个选择项信息
46    /// </summary>
47    /// <param name="nItemID"></param>
48    /// <returns></returns>
49    SqlDataReader GetSingleItem(int nItemID);
50
51    /**//// <summary>
52    /// 添加新的选择项
53    /// </summary>
54    /// <param name="sName"></param>
55    /// <param name="sBody"></param>
56    /// <returns></returns>
57    int AddItem(string sName,int nSubjectID);
58
59    /**//// <summary>
60    /// 修改选择项信息
61    /// </summary>
62    /// <param name="nItemID"></param>
63    /// <param name="sName"></param>
64    /// <param name="sBody"></param>
65    /// <returns></returns>
66    int UpdateItem(int nItemID,string sName);
67
68    /**//// <summary>
69    /// 增加一票
70    /// </summary>
71    /// <param name="nItemID"></param>
72    /// <returns></returns>
73    int UpdateItemVoteCount(int nItemID);
74
75    /**//// <summary>
76    /// 删除选择项
77    /// </summary>
78    /// <param name="nItemID"></param>
79    /// <returns></returns>
80    int DeleteItem(int nItemID);
81}