Razor项目在Rider中无法跳转定义及构建报错求助

一、修复csproj的MSB4057错误 #

你的FrontendTemplates.csproj缺少标准Build目标导入，且未包含项目文件，导致构建失败。按以下内容修改项目文件：

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
    <Import Project="packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props" Condition="Exists('packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props')"/>
    <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')"/>
    <PropertyGroup>
        <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
        <RootNamespace>MyProject</RootNamespace>
        <AssemblyName>MyProject</AssemblyName>
        <ProjectTypeGuids>{349c5851-65df-11da-9384-00065b846f21};{fae04ec0-301f-11d3-bf4b-00c04f79efbc}</ProjectTypeGuids>
        <OutputType>Library</OutputType>
    </PropertyGroup>
    <ItemGroup>
        <Reference Include="Microsoft.CSharp"/>
        <Reference Include="System"/>
        <Reference Include="System.Data"/>
        <Reference Include="System.Drawing"/>
        <Reference Include="System.Web.DynamicData"/>
        <Reference Include="System.Web.ApplicationServices"/>
        <Reference Include="System.ComponentModel.DataAnnotations"/>
        <Reference Include="System.Core"/>
        <Reference Include="System.Data.DataSetExtensions"/>
        <Reference Include="System.Xml.Linq"/>
        <Reference Include="System.Web"/>
        <Reference Include="System.Web.Extensions"/>
        <Reference Include="System.Web.Abstractions"/>
        <Reference Include="System.Web.Routing"/>
        <Reference Include="System.Xml"/>
        <Reference Include="System.Configuration"/>
        <Reference Include="System.Web.Services"/>
        <Reference Include="System.EnterpriseServices"/>
        <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
            <Private>True</Private>
            <HintPath>packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>
        </Reference>
        <Reference Include="System.Net.Http"/>
        <Reference Include="System.Net.Http.WebRequest"/>
        <Reference Include="System.Web.Helpers, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
            <Private>True</Private>
            <HintPath>packages\Microsoft.AspNet.WebPages.3.2.7\lib\net45\System.Web.Helpers.dll</HintPath>
        </Reference>
        <Reference Include="System.Web.Mvc, Version=5.2.7.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
            <Private>True</Private>
            <HintPath>packages\Microsoft.AspNet.Mvc.5.2.7\lib\net45\System.Web.Mvc.dll</HintPath>
        </Reference>
        <Reference Include="System.Web.Optimization">
            <HintPath>packages\Microsoft.AspNet.Web.Optimization.1.1.3\lib\net40\System.Web.Optimization.dll</HintPath>
        </Reference>
        <Reference Include="System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
            <Private>True</Private>
            <HintPath>packages\Microsoft.AspNet.Razor.3.2.7\lib\net45\System.Web.Razor.dll</HintPath>
        </Reference>
        <Reference Include="System.Web.WebPages, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
            <Private>True</Private>
            <HintPath>packages\Microsoft.AspNet.WebPages.3.2.7\lib\net45\System.Web.WebPages.dll</HintPath>
        </Reference>
        <Reference Include="System.Web.WebPages.Deployment, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
            <Private>True</Private>
            <HintPath>packages\Microsoft.AspNet.WebPages.3.2.7\lib\net45\System.Web.WebPages.Deployment.dll</HintPath>
        </Reference>
        <Reference Include="System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
            <Private>True</Private>
            <HintPath>packages\Microsoft.AspNet.WebPages.3.2.7\lib\net45\System.Web.WebPages.Razor.dll</HintPath>
        </Reference>
        <Reference Include="Newtonsoft.Json">
            <HintPath>packages\Newtonsoft.Json.11.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
        </Reference>
        <Reference Include="WebGrease">
            <Private>True</Private>
            <HintPath>packages\WebGrease.1.6.0\lib\WebGrease.dll</HintPath>
        </Reference>
        <Reference Include="Antlr3.Runtime">
            <Private>True</Private>
            <HintPath>packages\Antlr.3.5.0.2\lib\Antlr3.Runtime.dll</HintPath>
        </Reference>
        <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform">
            <HintPath>packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
        </Reference>
    </ItemGroup>
    <ItemGroup>
        <Content Include="**\*.cshtml" />
    </ItemGroup>
    <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
    <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v15.0\WebApplications\Microsoft.WebApplication.targets" Condition="Exists('$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v15.0\WebApplications\Microsoft.WebApplication.targets')" />
</Project>

修改说明：

• 添加ProjectTypeGuids标记为ASP.NET MVC项目，让Rider正确识别项目类型
• 新增Content节点包含所有.cshtml文件，确保Rider将这些文件纳入项目解析范围
• 导入标准C#和ASP.NET Web构建目标，补上缺失的Build目标定义

二、恢复Rider的跳转和IntelliSense功能 #

• 还原NuGet包：右键项目 → NuGet → Restore Packages，确保所有引用包正确安装
• 重新加载项目：右键解决方案 → Reload All Projects，让Rider重新解析项目结构
• 检查PDB文件：确保DLL所在目录有对应的.pdb符号文件，无PDB则无法跳转到DLL内部实现
• 清理缓存：执行File → Invalidate Caches... → Invalidate and Restart，彻底刷新Rider缓存

三、验证修复效果 #

1. 构建解决方案，确认MSB4057错误消失
2. 在.cshtml中尝试Ctrl+右键点击C#方法，检查跳转功能是否正常
3. 输入代码时，观察IntelliSense是否能正常提示方法和属性

内容的提问来源于stack exchange，提问作者Fab