当前文件路径：Votes/Votes.aspx.cs

		            
  1using System;
  2using System.Data;
  3using System.Configuration;
  4using System.Collections;
  5using System.Web;
  6using System.Web.Security;
  7using System.Web.UI;
  8using System.Web.UI.WebControls;
  9using System.Web.UI.WebControls.WebParts;
 10using System.Web.UI.HtmlControls;
 11using System.Data.SqlClient;
 12//该源码下载自www.51aspx.com(５1ａｓpｘ．ｃｏｍ)
 13
 14public partial class Votes : System.Web.UI.Page
 15...{
 16    private int tid;
 17    private string sHeader = "";
 18    protected void Page_Load(object sender, EventArgs e)
 19    ...{
 20        BindSubjectData(GetCurrentTopic());
 21        SubjectView.HeaderRow.Cells[0].Text = sHeader;
 22        GetIsRepeat();                                      /**////Label标签显示是否可以重复投票   
 23    }
 24
 25    private int GetCurrentTopic()
 26    ...{
 27        ITopics topic = new Topics();
 28        SqlDataReader dr = topic.GetCurrentTopic();
 29        if (dr.Read())
 30        ...{
 31            sHeader = dr["t_name"].ToString();
 32            tid = Int32.Parse(dr["t_id"].ToString());
 33        }
 34        dr.Close();
 35        return tid;
 36    }
 37
 38    private void BindSubjectData(int tid)
 39    ...{
 40        ISubjects subject = new Subjects();
 41        SqlDataReader dr = subject.GetSubjectByTopic(tid);
 42        SubjectView.DataSource = dr;
 43        SubjectView.DataBind();
 44        dr.Close();
 45    }
 46
 47    protected void SubjectView_RowDataBound(object sender, GridViewRowEventArgs e)
 48    ...{
 49        Panel panel = (Panel)e.Row.FindControl("ItemPanel");
 50        if (panel != null)
 51        ...{
 52            if (SubjectView.DataKeys[e.Row.RowIndex].Values["s_mode"].ToString().ToLower() == "false")
 53            ...{
 54                RadioButtonList radiolist = new RadioButtonList();
 55                radiolist.ID = "radiolist";                        /**////或者radiolist.ID = "radio"; 
 56                BindItemDataByRadio(radiolist, Int32.Parse(SubjectView.DataKeys[e.Row.RowIndex].Values["s_id"].ToString()));
 57                panel.Controls.Add(radiolist);
 58                if (radiolist.Items.Count < 1)
 59                    panel.Controls.Add(new LiteralControl("<font color='red'>没有投票内容</font>"));
 60            }
 61
 62            if (SubjectView.DataKeys[e.Row.RowIndex].Values["s_mode"].ToString().ToLower() == "true")
 63            ...{
 64                CheckBoxList checklist = new CheckBoxList();
 65                checklist.ID = "checklist";
 66                BindItemDataByCkeck(checklist, Int32.Parse(SubjectView.DataKeys[e.Row.RowIndex].Values["s_id"].ToString()));
 67                panel.Controls.Add(checklist);
 68                if (checklist.Items.Count < 1)
 69                    panel.Controls.Add(new LiteralControl("<font color='red'>没有投票内容</font>"));
 70            }
 71        }
 72    }
 73
 74    private void BindItemDataByRadio(RadioButtonList radiolist, int sid)
 75    ...{
 76        IItems item = new Items();
 77        SqlDataReader dr = item.GetItemBySubject(sid);
 78        radiolist.DataSource = dr;
 79        radiolist.DataTextField = "i_name";
 80        radiolist.DataValueField = "i_id";
 81        radiolist.DataBind();
 82        dr.Close();
 83    }
 84
 85    private void BindItemDataByCkeck(CheckBoxList checklist, int sid)
 86    ...{
 87        IItems item = new Items();
 88        SqlDataReader dr = item.GetItemBySubject(sid);
 89        checklist.DataSource = dr;
 90        checklist.DataTextField = "i_name";
 91        checklist.DataValueField = "i_id";
 92        checklist.DataBind();
 93        dr.Close();
 94    }
 95
 96    protected void tp_Click(object sender, EventArgs e)
 97    ...{
 98        if (Session["IsRepeat"] != null && Session["vote"] != null)
 99        ...{
100            lbl1.Text ="是否可以重复投："+Session["IsRepeat"];              /**////为了在前台显示
101            lbl2.Text = "是否已经投票："+Session["vote"];
102            if (Session["IsRepeat"].ToString().ToLower() == "false" && Session["vote"].ToString().ToLower() == "true")
103            ...{
104                Response.Write("<script>alert('禁止重复投票！');</script>");
105                return;
106            }
107        }
108
109        IItems item = new Items();
110        foreach (GridViewRow row in SubjectView.Rows)
111        ...{
112            Panel panel = (Panel)row.FindControl("ItemPanel");
113            if (panel == null) continue;                        /**////结束本次循环，执行下一次循环
114            foreach (Control control in panel.Controls)
115            ...{
116                if (control is RadioButtonList)
117                ...{
118                    foreach (ListItem listitem in ((RadioButtonList)control).Items)
119                    ...{
120                        if (listitem.Selected == true)
121                        ...{
122                            item.AddItemCount(Int32.Parse(listitem.Value));     /**////radiolist.DataValueField = "i_id";
123                            BindSubjectData(GetCurrentTopic());
124                            break;
125                        }
126                    }
127                }
128
129                if (control is CheckBoxList)
130                ...{
131                    foreach(ListItem listitem in ((CheckBoxList)control).Items)
132                    ...{
133                        if (listitem.Selected == true)
134                        ...{
135                            item.AddItemCount(Int32.Parse(listitem.Value));     /**////checklist.DataValueField = "i_id";                           
136                            BindSubjectData(GetCurrentTopic());
137                                                                            /**////书上在此加了break 错误！！！
138                        }
139                    }
140                }
141            }
142        }
143        Session["vote"] = "true";
144        Response.Write("<script>alert('投票成功！');</script>");
145    }
146
147    protected void GetIsRepeat()
148    ...{
149        IItems item = new Items();
150        SqlDataReader dr=item.GetIsRepeat();
151        if (dr.Read())
152        ...{
153            Session["IsRepeat"] = dr["p_IsRepeat"];             /**////保存是否可以重复投票纪录
154
155            if (dr["p_IsRepeat"].ToString().ToLower() =="true") 
156                lbl.Text = "可以重复投票";
157            else
158                lbl.Text = "不可以重复投票";
159        }
160        dr.Close();
161    }
162
163    protected void repeat_Click(object sender, EventArgs e)
164    ...{
165        IItems item = new Items();
166        item.UpdateIsRepeat(RepeatList.SelectedValue);
167        Response.Write("<script>alert('修改是否可重复投票成功！');</script>");
168        BindSubjectData(GetCurrentTopic());
169    }
170}
171