没报错，但修改不了datelist绑定在TextBox的值啊，大家帮我看看是什么问题
这个小小问题，弄了我半天弄不出来，晕了。大家帮帮忙
前台
  <asp:DataList ID="DataList1" runat="server" Width="500px"
  onitemcommand="DataList1_ItemCommand" >
  <ItemTemplate>
  <table cellpadding="0" cellspacing="0" class="style2">
  <tr>
  <td>
  <asp:Label ID="lbId" runat="server" Text='<%#Eval("id") %>' Visible="false"></asp:Label>
  <%# Eval("title") %>
  </td>
  </tr>
  <tr>
  <td>
  <%# Eval("time") %>
  </td>
  </tr>
  <tr>
  <td>
  <%# Eval("text") %></td>
  </tr>
  <tr>
  <td>
  <asp:LinkButton ID="LinkButton1" runat="server" CommandName="Edit">【修改】</asp:LinkButton>
  <asp:LinkButton ID="LinkButton2" runat="server" CommandName="Delete">【删除】</asp:LinkButton>
   
  </tr>
  </table>
  </ItemTemplate>
  <EditItemTemplate>
  <table class="style2">
  <tr>
  <td>
  <asp:Label ID="Label1" runat="server" Text='<%#Eval("id") %>'></asp:Label>
  <asp:Label ID="Label3" runat="server" Text="标题："></asp:Label>
  <asp:TextBox ID="TextBox1" runat="server" Text='<%#Eval("title") %>'></asp:TextBox>
  </td>
  </tr>
  <tr>
  <td>
  <asp:Label ID="Label2" runat="server" Text="内容" ></asp:Label>
  <asp:TextBox ID="TextBox2" runat="server" Height="150px" TextMode="MultiLine" Text='<%#Eval("text") %>' 
  Width="100%"></asp:TextBox>
  </td>
  </tr>
  <tr>
  <td>
  <asp:LinkButton ID="LinkButton4" runat="server" CommandName="Update">确认修改</asp:LinkButton>&nbsp;
   
  <asp:LinkButton ID="LinkButton3" runat="server" CommandName="Cancel">取消</asp:LinkButton>
  </td>
  </tr>
  <tr>
  <td>
  &nbsp;</td>
  </tr>
  </table>
  </EditItemTemplate>
  </asp:Da