Sharepoint webpartzone 변경이 작동하지 않습니다.

Question

맞춤 웹 파트 페이지를 만들었습니다. 페이지에 웹 파트를 추가하면 제대로 작동합니다. 하지만 웹 파트 영역을 변경하면 작동하지 않습니다. 저장 후 웹 파트 영역은 변경되지 않습니다.

내 aspx 페이지 :

<%@ Page masterpagefile="~masterurl/default.master" language="C#"  Inherits="Microsoft.SharePoint.WebPartPages.WebPartPage, Microsoft.SharePoint.Publishing, Version=14.0.0.0, Culture=neutral,PublicKeyToken=71e9bce111e9429c" meta:webpartpageexpansion="full" meta:progid="SharePoint.WebPartPage.Document" %> 
<%@ Register Tagprefix="SharePointWebControls" Namespace="Microsoft.SharePoint.WebControls" Assembly="Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> 
<%@ Register Tagprefix="WebPartPages" Namespace="Microsoft.SharePoint.WebPartPages" Assembly="Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> 
<%@ Register Tagprefix="PublishingWebControls" Namespace="Microsoft.SharePoint.Publishing.WebControls" Assembly="Microsoft.SharePoint.Publishing, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> 
<%@ Register Tagprefix="PublishingNavigation" Namespace="Microsoft.SharePoint.Publishing.Navigation" Assembly="Microsoft.SharePoint.Publishing, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> 


<asp:Content ContentPlaceHolderId="PlaceHolderMain" runat="server"> 
<WebPartPages:SPProxyWebPartManager runat="server" id="spwebpartmanager" /> 
       <table width="100%" cellpadding="0" cellspacing="0"> 
        <tr> 
         <td valign="top" width="50%"><WebPartPages:WebPartZone runat="server" ID="MainLeft" Title="loc:MainLeft" /> 
          &#160;</td> 
         <td valign="top" width="50%"><WebPartPages:WebPartZone runat="server" ID="MainRight" Title="loc:MainRight" /> 
         &#160;</td>  
      </tr> 
     </table> 
</asp:Content>  

Answer 1

시도

<asp:Content ContentPlaceHolderId="PlaceHolderMain" runat="server"> 
       <table width="100%" cellpadding="0" cellspacing="0"> 
        <tr> 
    <td valign="top" width="50%"> 
<WebPartPages:WebPartZone runat="server" ID="MainLeft" Title="loc:MainLeft"><ZoneTemplate></ZoneTemplate></WebPartPages:WebPartZone> 
</td> 
    <td valign="top" width="50%"> 
<WebPartPages:WebPartZone runat="server" ID="MainRight" Title="loc:MainRight"><ZoneTemplate></ZoneTemplate></WebPartPages:WebPartZone> 
</td> 
</tr> 
     </table> 
</asp:Content>