一个编辑框加载不了
Edit放在放在项目文件夹下面。
分析器错误消息: 未知的服务器标记“FTB:FreeTextBox”。

HTML code

<FTB:FreeTextBox id="article_context" runat="Server" Language="zh-cn"  SupportFolder="~/Edit/" Width="495" height="204" HtmlModeDefaultsToMonoSpaceFont="True" DownLevelCols="50" DownLevelRows="10" ButtonDownImage="False" GutterBackColor="LightSteelBlue" ToolbarBackgroundImage="True" ToolbarLayout="ParagraphMenu,FontFacesMenu,FontSizesMenu,FontForeColorsMenu|Bold,Italic,Underline,Strikethrough;Superscript,Subscript,RemoveFormat|JustifyLeft,JustifyRight,JustifyCenter,JustifyFull;BulletedList,NumberedList,Indent,Outdent;CreateLink,Unlink,InsertImage,InsertRule|Cut,Copy,Paste;Undo,Redo,Print" ToolbarStyleConfiguration="NotSet" />