我配置好了FCKeditor，把它拖到了页面、但是运行的时候页面不显示
<%@ Page Language="C#" MasterPageFile="~/Backstage/MasterPage.master" AutoEventWireup="true"
  ValidateRequest="false" CodeFile="AddFine.aspx.cs" Inherits="Backstage_AddFine"
  Title="" %>

<%@ Register Assembly="FredCK.FCKeditorV2" Namespace="FredCK.FCKeditorV2" TagPrefix="FCKeditorV2" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
  <br />
  <table>
  <tr>
  <td style="text-align: center">
  name：
  </td>
  <td colspan="2">
  <asp:TextBox ID="txtTitle" runat="server" Width="550px" MaxLength="22"></asp:TextBox>
  <asp:RequiredFieldValidator ID="rqvTitle" runat="server" ControlToValidate="txtTitle"
  ValidationGroup="yz" ErrorMessage="*"></asp:RequiredFieldValidator>
  </td>
  </tr>
  <tr>
  <td style="text-align: center">
  show：
  </td>
  <td colspan="2">
  <FCKeditorV2:FCKeditor ID="FCKeditor1" runat="server" Width="500px" Height="400px">
  </FCKeditorV2:FCKeditor>
  <asp:RequiredFieldValidator ID="rqvCon" runat="server" ControlToValidate="FCKeditor1"
  ValidationGroup="yz" ErrorMessage="*"></asp:RequiredFieldValidator>
  </td>
  </tr>
  <tr>
  <td style="text-align: center">
  img：
  </td>
  <td colspan="2">
  <asp:FileUpload ID="imgUp" runat="server" Width="350px" />
  <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="imgUp"
  ValidationGroup="yz" ErrorMessage="*"></asp:RequiredFieldValidator>
  </td>
  </tr>
  <tr>
  <td style="text-align: center">
  type：
  </td>
  <td colspan="2">
  <asp:DropDownList ID="ddlType" runat="server">
  </asp:DropDownList>
  </td>
  </tr>
  <tr>
  <td style="width: 121px; text-align: center">
  time：
  </td>
  <td colspan="2">
  <asp:Label ID="lblNewTime" runat="server" Text="Label" Width="550px"></asp:Label>
  </td>
  </tr>
  <tr>
  <td colspan="3" align="center">
  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<