protected void Button1_Click(object sender, EventArgs e)
    {


        //投票防作弊
        if (Session["UserID"] == null )
        {
            Response.Write("<script language=javascript>alert('您还未登录');</script>");
             Response.Redirect("<script>window.location.href='Default.aspx';</script>");
        }
        else
        {
            if (Convert.ToBoolean(Session["Role"]))//已经投过票
            {
                Response.Write("<script language=javascript>alert('你已经成功投过票，不能重新投票！');</script>");
                return;
            }
            else//还没投过票，执行投票操作，票数加1
            {
                int num1 = 0; 
                foreach (Control c in this.Controls)
                {
                    if (c is CheckBox && ((CheckBox)c).Checked)
                    {
                        num1++;
                    }
                }

                if (num1 > 0)
                {
                    if (num1 < 6)
                    {
                        Response.Write(CC.MessageBox(string.Format("共有{0}人被选中,请继续选足6人", num1.ToString())));
                    }
                    else if (num1 == 6)
                    {
                        
                            int i = 1; string[] strarr = new string[5]; int j = 0; 
                            
                                foreach (Control a in this.Controls)
                                {
                                    if (a is CheckBox && ((CheckBox)a).Checked&&(i < 15))
                                    {
                                        string P_Str_voteItemID = ((CheckBox)a).ID;
                                        string P_Str_cmdtxt = "update tb_VoteItem set voteTotal=voteTotal+1 where voteItemID=" + P_Str_voteItemID;
                                        strarr[j] = Convert.ToString(i);
                                        
                                        CC.ExSql(P_Str_cmdtxt);
                                        i++;
                                        j++;
                                    }

                                    else
                                    {
                                        i = i + 1;
                                    }
                                }

                        string ttt = string.Join(",", strarr );   
                        
                        
                        string P_Str_cmdtxt1 = "update tb_User set Role=1 where UserID=" + M_Str_voteID;
                        string P_Str_cmdtxt2 = "update tb_User set Choose= '" + ttt + "' where UserID=" + M_Str_voteID;
                        string P_Str_cmdtxt3 = "update tb_User set VoteDate='" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "' where UserID=" + M_Str_voteID;
                        CC.ExSql(P_Str_cmdtxt1);
                        CC.ExSql(P_Str_cmdtxt2);
                        CC.ExSql(P_Str_cmdtxt3);
                        Response.Write("<script>alert('投票成功，感谢您的支持！');</script>");



                    }
                    else
                    {
                         Response.Write(CC.MessageBox("您选择的选手已经超过6名"));
                    }
                }
                else
                {
                     Response.Write(CC.MessageBox("请选择参赛选手"));
                }
            }
        }
    }