投票系统分享(4)

 98                     {
 99                         if(item .Selected )
100                         {
101                             cmd.CommandText ="update VoteItem set Number=Number+1 where ItemID="+item.Value.ToString ();
102                             cmd.ExecuteNonQuery ();
103                         }
104                     }
105                     Response .Cookies ["pass"].Value ="pass";
106                     Response .Cookies ["pass"].Expires =DateTime .Now.AddDays (1);
107                     Response .Write ("<script language='javascript'>alert('投票成功');history.back();</script>");
108
109                 }
110
111 
112             }
113             else
114             {
115                 RadioButtonList rb=(RadioButtonList )Panel1 .FindControl ("listVoteItem");
116                 if(rb.SelectedIndex ==-1)
117                 {
118                     Response .Write ("<script language='javascript'>alert('你必须至少选择一票');history.back();</script>");
119                     Response .End ();