解决"无法使用代码块"的错误

 <SafeMode MaxControls="200" CallStack="true" DirectFileDependencies="10" TotalFileDependencies="50" AllowPageLevelTrace="false">
      <PageParserPaths>
        <PageParserPath VirtualPath="/*" CompilationMode="Always" AllowServerSideScript="true" IncludeSubFolders="True" />
      </PageParserPaths>
    </SafeMode>

添加在 <SharePoint>里面