NestedRepeaterCShap

<asp:Repeater runat="server" ID="repeater1" onitemdatabound="Repeater1_ItemDataBound" >
  <ItemTemplate>
   <!--Print Question Statement Here -->
      <asp:repeater id="repeater2" runat="server">
        <itemtemplate>
             <!--Print Choices Here -->  
        </itemtemplate>
      </asp:repeater>
  </ItemTemplate>
</asp:Repeater>
.
.
.
.
.
.
.
.
.
.
.
.
.
 
Here is Function
 
protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
    if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
    {
        //it return current row (think in terms of nested loops)
        DataRowView drv = (DataRowView)e.Item.DataItem; 
 
        // get value of that row
        int postID = Convert.ToInt32(drv["PostID"]); ////get you QuestionID or what ever which identify you question
 
        //now using that questinoID get options of that questions and bind it with Repeater2
        Repeater2.DataSource =  //some data like you did in outer repeater
        Repeater2.DataBind();
    }
}