GridView中的控件的数据绑定的问题
<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" Width="100%">
<Columns>
<asp:TemplateField>
<HeaderTemplate>
<asp:Label ID="Label24" runat="server" Text="一、单选题(每题"></asp:Label>
<asp:Label ID="Label27" runat="server"></asp:Label>
<asp:Label ID="Label25" runat="server" Text="分)"></asp:Label>
</HeaderTemplate>
<ItemTemplate>
<table id="Table2" align="center" border="0" cellpadding="1" cellspacing="1" width="100%">
<tr>
<td colspan="3">
<asp:Label ID="Label1" runat="server" Text='<%# Container.DataItemIndex+1 %>'>
</asp:Label>
<asp:Label ID="Label2" runat="server" Text='<%# Eval("Title","、{0}") %>'>
</asp:Label>
<asp:Label ID="Label3" runat="server" ForeColor="red" Text='<%# Eval("Answer") %>'>
</asp:Label>
<asp:Label ID="Label4" runat="server" Text='<%# Eval("Mark") %>' Visible="false">
</asp:Label>
</td>
</tr>
<tr>
<td width="35%">
<asp:RadioButton ID="RadioButton1" runat="server" GroupName="Sl" Text='<%# Eval("AnswerA") %>' /></td>
<td width="35%">
<asp:RadioButton ID="RadioButton2" runat="server" GroupName="Sl" Text='<%# Eval("AnswerB") %>' /></td>
<td>
</td>
</tr>
<tr>
<td width="35%">
<asp:RadioButton ID="RadioButton3" runat="server" GroupName="Sl" Text='<%# Eval("AnswerC") %>' /></td>
<td width="35%">
<asp:RadioButton ID="RadioButton4" runat="server" GroupName="Sl" Text='<%# Eval("AnswerD") %>' /></td>
<td>
</td>
</tr>
</table>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<HeaderStyle Font-Size="12pt" HorizontalAlign="Left" />
</asp:GridView>