asp.net - 未知服务器标签 'webopt:BundleReference'

Question

我已经使用Visual Studio 2012 for Web Express在ASP.Net 4.5中开发了一个Web表单。它托管在somee.com上。页面加载时，出现以下错误:

Server Error in '/' Application.

Parser Error

Description: An error occurred during the parsing of a resource required to service        this request. Please review the following specific parse error details and modify your source file appropriately. 

Parser Error Message: Unknown server tag 'webopt:BundleReference'.

Source Error: 


Line 9: <%: Scripts.Render("~/bundles/modernizr") %>
Line 10: </asp:PlaceHolder> 
Line 11: <webopt:BundleReference runat="server" Path="~/Content/css" /> 
Line 12: <link href="~/favicon.ico" rel="shortcut icon" type="image/x-icon" />
Line 13: <meta name="viewport" content="width=device-width" />

Source File: /Site.Master Line: 11 

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET  Version:4.0.30319.17929

Answer 1

您需要确保对与“webopt”文件相关的特定程序集具有引用。通常，您可以通过将其包含在web.config文件的部分中来实现此目的:

<pages>
    <controls>
        <add tagPrefix="webopt" assembly="Microsoft.AspNet.Web.Optimization.WebForms" namespace="Microsoft.AspNet.Web.Optimization.WebForms"  />
    </controls>
</pages>