<%@ Page Title="" Language="C#" MasterPageFile="~/Site.Master" 

    AutoEventWireup="true" CodeBehind="BoardWrite.aspx.cs" 

    ValidateRequest="false"

    Inherits="WebBoard.HoNote.BoardWrite" %>


<%@ Register Src="~/HoNote/Controls/BoardEditorFormControl.ascx" 

    TagPrefix="uc1" TagName="BoardEditorFormControl" %>


<asp:Content ID="Content1" ContentPlaceHolderID="MainContent" runat="server">


    <uc1:BoardEditorFormControl runat="server" id="ctlBoardEditorFormControl" />


</asp:Content>


에서

<uc1:BoardEditorFormControl 이 부분에서 자꾸 알 수 없는 요소라고 뜨네요