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构建后的 Visual Studio 出现错误 CS0246：找不到类型或命名空间名称？

[英]Visual studio after building give error CS0246: The type or namespace name could not be found?

原文 2020-03-26 00:53:43 3 1 c#/ asp.net/ asp.net-core/ asp.net-mvc-4

I'm Using Visual Studio 2017 To Work With Asp.Net Core Project that work on my pc but when copy it on my laptop to start working , after building it give me the error in below image , it work correctly on another device and i don't missing any directive .我正在使用 Visual Studio 2017 来处理在我的电脑上运行的 Asp.Net Core 项目，但是当将它复制到我的笔记本电脑上开始工作时，构建它后给我下图中的错误，它在另一台设备上正常工作，我不要错过任何指令。

enter image description here在此处输入图片说明

1 个解决方案

您需要将以下命名空间添加到项目中： using Microsoft.AspNetCore.Http;

Visual Studio 2017 构建到 hololens 错误 CS0246“找不到类型或命名空间名称 'UnityPlayer'” - Visual studio 2017 building to hololens error CS0246 "The type or namespace name 'UnityPlayer' Could not be found"

错误 CS0246：找不到类型或命名空间名称“IApplicationBuilderExtensions” - error CS0246: The type or namespace name 'IApplicationBuilderExtensions' could not be found

错误 CS0246：找不到类型或命名空间名称“PlayerMotor” - error CS0246: The type or namespace name 'PlayerMotor' could not be found

错误CS0246：找不到类型或名称空间名称“ HtmlAgilityPack” - Error CS0246: The type or namespace name `HtmlAgilityPack' could not be found

错误 CS0246：找不到类型或命名空间名称“UnityEngine” - error CS0246: The type or namespace name 'UnityEngine' could not be found

错误 CS0246：找不到类型或命名空间名称“KustoConnectionStringBuilder” - error CS0246: The type or namespace name 'KustoConnectionStringBuilder' could not be found

错误CS0246：找不到类型或命名空间名称“AssemblyFileVersion” - Error CS0246: The type or namespace name 'AssemblyFileVersion' could not be found

错误 CS0246：找不到类型或命名空间名称“Newtonsoft” - Error CS0246: The type or namespace name 'Newtonsoft' could not be found

错误 CS0246：找不到类型或命名空间名称“CsvHelper” - error CS0246: The type or namespace name 'CsvHelper' could not be found

错误CS0246：找不到类型或名称空间名称'WebDriverWait'？ - Error CS0246: The type or namespace name 'WebDriverWait' could not be found?

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相关问题 Visual Studio 2017 构建到 hololens 错误 CS0246“找不到类型或命名空间名称 'UnityPlayer'” - Visual studio 2017 building to hololens error CS0246 "The type or namespace name 'UnityPlayer' Could not be found" 错误 CS0246：找不到类型或命名空间名称“IApplicationBuilderExtensions” - error CS0246: The type or namespace name 'IApplicationBuilderExtensions' could not be found 错误 CS0246：找不到类型或命名空间名称“PlayerMotor” - error CS0246: The type or namespace name 'PlayerMotor' could not be found 错误CS0246：找不到类型或名称空间名称“ HtmlAgilityPack” - Error CS0246: The type or namespace name `HtmlAgilityPack' could not be found 错误 CS0246：找不到类型或命名空间名称“UnityEngine” - error CS0246: The type or namespace name 'UnityEngine' could not be found 错误 CS0246：找不到类型或命名空间名称“KustoConnectionStringBuilder” - error CS0246: The type or namespace name 'KustoConnectionStringBuilder' could not be found 错误CS0246：找不到类型或命名空间名称“AssemblyFileVersion” - Error CS0246: The type or namespace name 'AssemblyFileVersion' could not be found 错误 CS0246：找不到类型或命名空间名称“Newtonsoft” - Error CS0246: The type or namespace name 'Newtonsoft' could not be found 错误 CS0246：找不到类型或命名空间名称“CsvHelper” - error CS0246: The type or namespace name 'CsvHelper' could not be found 错误CS0246：找不到类型或名称空间名称'WebDriverWait'？ - Error CS0246: The type or namespace name 'WebDriverWait' could not be found?

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