Repeater中嵌套RadioButton和CheckBoxList

昨天做个项目，其中有个页面，Repeater中要嵌套RadioButton和CheckBoxList，参照别人的方法，但就是取不到RadioButtonList的SelectedValue，弄了一个晚上才发现，绑定数据的时候没有放在!IsPostBack中，郁闷。代码如下
aspx
----------------------------------------------------

 1 < asp:repeater  id ="Rt_One"  Runat ="server" >
 2                                      < ItemTemplate >
 3                                          < tr >
 4                                              < td  valign ="top" >
 5                                                  < asp:TextBox  ID ="txtquest"  Runat ="server"  Text ='<%#  DataBinder.Eval( Container.DataItem ,"[questionid]") % > ' Width="0">
 6                                                  </ asp:TextBox >
 7                                                  < asp:Label  ID ="lblQuest"  Runat ="server" >
 8                                                      <% # DataBinder.Eval( Container.DataItem ,"[Num]")  %>
 9                                                  </ asp:Label >
10                                                 ： <% # DataBinder.Eval( Container.DataItem ,"[strquestiontitle]")  %> &nbsp;&nbsp; [ <% # DataBinder.Eval( Container.DataItem ,"[store]")  %> 分] </ td >
11                                          </ tr >
12                                          < tr >
13                                              < td >
14                                                  < asp:RadioButtonList  ID ="rbAnswer"  Runat ="server" ></ asp:RadioButtonList ></ td >
15                                          </ tr >
16                                      </ ItemTemplate >
17                                  </ asp:repeater >

 1 < asp:repeater  id ="Rt_More"  Runat ="server" >
 2                                      < ItemTemplate >
 3                                          < tr >
 4                                              < td  valign ="top" >
 5                                                  < asp:TextBox  ID ="txtQuest2"  Runat ="server"  Text ='<%#  DataBinder.Eval( Container.DataItem ,"[questionid]") % > ' Width="0">
 6                                                  </ asp:TextBox >
 7                                                  < asp:Label  ID ="lblQuest2"  Runat ="server" >
 8                                                      <% # DataBinder.Eval( Container.DataItem ,"[Num1]")  %>
 9                                                  </ asp:Label > ： <% # DataBinder.Eval( Container.DataItem ,"[strquestiontitle]")  %> &nbsp;&nbsp; [ <% # DataBinder.Eval( Container.DataItem ,"[store]")  %> 分] </ td >
10                                          </ tr >
11                                          < tr >
12                                              < td  colspan ="2" >
13                                                  < asp:CheckBoxList  ID ="chkAnswer"  Runat ="server" ></ asp:CheckBoxList ></ td >
14                                          </ tr >
15                                      </ ItemTemplate >
16                                  </ asp:repeater >

cs

1 private   void  Page_Load( object  sender, System.EventArgs e)
2          {
3            // 在此处放置用户代码以初始化页面
4            if(!IsPostBack)
5            {
6                RtRt_OneBind();
7                Rt_MoreBind();
8            }
9        }

 1 private   void  RtRt_OneBind()
 2          {
 3            SqlConnection conn=new SqlConnection(strconn);
 4            SqlCommand cmd=new SqlCommand();
 5            cmd.Connection=conn;
 6            conn.Open();
 7            cmd.CommandType=CommandType.StoredProcedure;
 8            cmd.CommandText="s_TestPageQuestion_GetByPage";
 9            cmd.Parameters.Add("@id",SqlDbType.Int).Value=System.Convert.ToInt32(Request.QueryString["id"]);
10            cmd.Parameters.Add("@type",SqlDbType.Int).Value=0;
11            ds=new DataSet();
12            da=new SqlDataAdapter(cmd);
13            da.Fill(ds,"s_TestPageQuestion_GetByPage");
14            Rt_One.DataSource=ds.Tables["s_TestPageQuestion_GetByPage"].DefaultView;
15            Rt_One.DataBind();
16        }

 1 private   void  Rt_MoreBind()
 2          {
 3            SqlConnection conn=new SqlConnection(strconn);
 4            SqlCommand cmd=new SqlCommand();
 5            cmd.Connection=conn;
 6            conn.Open();
 7            cmd.CommandType=CommandType.StoredProcedure;
 8            cmd.CommandText="s_TestPageQuestion_GetByPage";
 9            cmd.Parameters.Add("@id",SqlDbType.Int).Value=System.Convert.ToInt32(Request.QueryString["id"]);
10            cmd.Parameters.Add("@type",SqlDbType.Int).Value=0;
11            ds=new DataSet();
12            da=new SqlDataAdapter(cmd);
13            da.Fill(ds,"s_TestPageQuestion_GetByPage");
14            Rt_More.DataSource=ds.Tables["s_TestPageQuestion_GetByPage"].DefaultView;
15            Rt_More.DataBind();
16        }

 1 override   protected   void  OnInit(EventArgs e)
 2          {
 3            //
 4            // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
 5            //
 6            InitializeComponent();
 7            Rt_One.ItemDataBound +=new RepeaterItemEventHandler(Rt_One_ItemDataBound);
 8            Rt_More.ItemDataBound +=new RepeaterItemEventHandler(Rt_More_ItemDataBound);
 9            base.OnInit(e);
10        }

 1 private   void  Rt_One_ItemDataBound( object  sender, RepeaterItemEventArgs e)
 2          {
 3            if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
 4            {
 5                RadioButtonList rbl = (RadioButtonList) e.Item.FindControl("rbAnswer");
 6                DataRowView row = (DataRowView) e.Item.DataItem;
 7                string questionid = row["questionid"].ToString() ;
 8                DataSet ands1 = new DataSet( );
 9                string sql = "S_Answer_Select";
10                SqlConnection conn=new SqlConnection(strconn);
11                SqlCommand ancmd = new SqlCommand( sql,conn);
12                ancmd.CommandType = CommandType.StoredProcedure;
13                ancmd.Parameters.Add("@questionid", SqlDbType.Int, 4).Value = questionid;
14                SqlDataAdapter anda = new SqlDataAdapter( ancmd);
15                anda.Fill(ands1);
16                if(ands1!=null && ands1.Tables [0].Rows .Count >0)
17                {
18                    rbl.DataSource = ands1;
19                    rbl.DataTextField = "result";
20                    rbl.DataValueField = "id";
21                    rbl.DataBind(); 
22    
23                }
24                
25            }        
26        }

 1 private   void  Rt_More_ItemDataBound( object  sender, RepeaterItemEventArgs e)
 2          {
 3            CheckBoxList chk = (CheckBoxList) e.Item.FindControl("chkAnswer");
 4            DataRowView row = (DataRowView) e.Item.DataItem;
 5            string questionid = row["questionid"].ToString() ;
 6            DataSet ands = new DataSet( );
 7            string sql = "S_Answer_Select";
 8            SqlConnection conn=new SqlConnection(strconn);
 9            SqlCommand ancmd = new SqlCommand( sql,conn);
10            ancmd.CommandType = CommandType.StoredProcedure;
11            ancmd.Parameters.Add("@questionid", SqlDbType.Int, 4).Value = questionid;
12            SqlDataAdapter anda = new SqlDataAdapter( ancmd);
13            anda.Fill(ands);
14            if(ands!=null && ands.Tables [0].Rows .Count >0)
15            {
16                chk.DataSource = ands;
17                chk.DataTextField = "result";
18                chk.DataValueField = "id";
19                chk.DataBind(); 
20            }
21        }

 1 private   void  Button1_Click( object  sender, System.EventArgs e)
 2          {
 3            
 4            SqlConnection conn=new SqlConnection(strconn);
 5            SqlCommand cmd=new SqlCommand();
 6            cmd.Connection=conn;
 7            conn.Open();
 8            sgring msg="";
 9            
10            for(int i=0;i<Rt_One .Items .Count;i++)
11            {
12                TextBox questid = (TextBox) Rt_One.Items[i].FindControl("txtquest");
13                RadioButtonList rbl = (RadioButtonList) Rt_One.Items[i].FindControl("rbAnswer");
14                
15                if(rbl!=null && rbl.SelectedValue !="")
16                {
17                    int questionid = Convert.ToInt32(questid.Text );
18                    msg += rbl.SelectedValue.ToString ()+"|";
19                    
20                }
21            }
22            
23            for(int m=0;m<Rt_More .Items .Count ;m++)
24            {
25                string msg = "";
26                CheckBoxList mybox=(CheckBoxList)Rt_More.Items[m].FindControl("chkAnswer");
27                TextBox questid2 = (TextBox) Rt_More.Items[m].FindControl("txtQuest2");
28                int questid2v = Convert.ToInt32(questid2.Text );
29                SqlCommand chkcmd = new SqlCommand( "s_Answer_GetRight",conn);
30                
31                    if(mybox!=null)
32                    {
33                        for(int n=0;n<mybox.Items .Count;n++)
34                        {
35                            if(mybox.Items [n].Selected )
36                            {
37                                msg += mybox.Items[n].Value +"|";
38                            }
39                        }
40                    }
41            }
42
43
44        }

绑定的代码不是我写的，有点乱。