请教一个关于控件的问题
创建控件时出错:freetextbox必须放在具有runat=server的窗体标记内源代码如下
<body>
<form id="form1" runat="server">
<div>
<table id="Table2" align="center" border="1" cellpadding="0" cellspacing="0" style="border-right: #ccccff 1px solid;
border-top: #ccccff 1px solid; font-size: 9pt; z-index: 101; left: 0px; border-left: #ccccff 1px solid; border-bottom: #ccccff 1px solid; position: absolute; top: 0px;
height: 550px" width="635">
<tr>
<td align="center" bgcolor="#6699ff" class="Tetle" colspan="2" style="height: 27px">
<span class="Tetle" style="height: 27px">添 加 文 章 信 息</span></td>
</tr>
<tr>
<td align="left" colspan="2" valign="top">
<table id="Table1" border="0" cellpadding="0" cellspacing="0" style="border-right: #ccccff 1px solid;
border-top: #ccccff 1px solid; font-size: 9pt; border-left: #ccccff 1px solid;
width: 616px; border-bottom: #ccccff 1px solid" width="616">
<tr>
<td style="width: 68px">
文章标题：</td>
<td>
<asp:TextBox ID="txtFileName" runat="server" BorderStyle="Groove" Width="496px"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="txtFileName"
Display="Dynamic" ErrorMessage="**">**</asp:RequiredFieldValidator></td>
</tr>
<tr style="color: #000000">
<td style="width: 68px">
关键字：</td>
<td>
<asp:TextBox ID="txtKeyWords" runat="server" BorderStyle="Groove" Width="496px"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ControlToValidate="txtKeyWords"
ErrorMessage="**">**</asp:RequiredFieldValidator></td>
</tr>
<tr style="color: #000000">
<td style="width: 68px; height: 22px;">
文章来源：</td>
<td style="height: 22px">
<asp:TextBox ID="txtFrom" runat="server" BorderStyle="Groove" Width="496px"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server" ControlToValidate="txtFrom"
Display="Dynamic" ErrorMessage="**">**</asp:RequiredFieldValidator></td>
</tr>
<tr style="color: #000000">
<td style="width: 68px; height: 38px;">
内容简介：</td>
<td style="height: 38px">
<asp:TextBox ID="txtFileDec" runat="server" BorderStyle="Groove" TextMode="MultiLine"
Width="496px"></asp:TextBox></td>
</tr>
<tr>
<td style="width: 68px">
网站链接：</td>
<td>
<asp:TextBox ID="txtLink" runat="server" BorderStyle="Groove" Width="496px">http://</asp:TextBox></td>
</tr>
</table>
</td>
</tr>
<tr>
<td style="width: 45px; height: 324px">
内容：<FTB:FreeTextBox ID="FreeTextBox1" runat="server" ButtonPath="/images/ftb/officeXP/" ToolbarType="Office2000" Height="500px" Width="700px">
</FTB:FreeTextBox> <!--这段代码报错-->
<br />
</td>
</tr>
<tr>
<td style="width: 45px; height: 23px">
<table border="0" cellpadding="0" cellspacing="0" style="width: 100%">
<tr>
<td style="width: 139px">
<asp:Label ID="Label1" runat="server" Text="上传附件图片"></asp:Label></td>
<td>
<asp:Image ID="Image1" runat="server" Height="130px" Width="149px" />
<asp:Label ID="Label2" runat="server" ForeColor="#FF3333" Text="如果要替换原来的图片请直接上传新的图片即可替换"></asp:Label></td>
</tr>
<tr>
<td style="width: 139px; height: 15px">
添加图片</td>
<td style="height: 15px">
<input id="PostFile" runat="server" name="PostFile" size="58" style="border-right: black 1px solid;
border-top: black 1px solid; border-left: black 1px solid; width: 466px; border-bottom: black 1px solid;
height: 22px" type="file" /></td>
</tr>
<tr>
<td style="width: 139px; height: 15px">
添加附件</td>
<td style="height: 15px">
<input id="File1" runat="server" name="PostFile" size="58" style="border-right: black 1px solid;
border-top: black 1px solid; border-left: black 1px solid; width: 466px; border-bottom: black 1px solid;
height: 22px" type="file" /></td>
</tr>
</table>
</td>
</tr>
<tr>
<td align="center" colspan="2">
<asp:Button ID="btnAdd" runat="server" Text="添 加" />
<asp:Button ID="btnPreview" runat="server" CausesValidation="False" Text="清除所有" />
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
写了public override void VerifyRenderingInServerForm(Control control)
还是报同样的错,请问有什么办法解决?
