无法构建项目

问题描述

我们无法构建项目并获得引用错误

We are not able to build the project and getting the reference error

错误CS0246：找不到类型或命名空间名称'ContextManager'（您是否缺少using指令或汇编引用？）

error CS0246: The type or namespace name 'ContextManager' could not be found (are you missing a using directive or an assembly reference?)

我们在项目中使用了一个第三方引用（dll），这个dll已放在单独的库中，也可以在TFS中使用

We are using one third party reference (dll) in our project and this dll has been put in separate library which is available also in TFS

请让我知道如何解决这个问题

Please let me know how to fix this issue

推荐答案

通常，有几个原因导致您收到此错误：

Usually, There are several reasons why you might be receiving this error:

1.您可能拼写错误了您尝试使用的类型或命名空间的名称。如果没有正确的名称，编译器将无法找到您在代码中引用的类型或命名空间的定义。这通常是因为
C＃是区分大小写，并且在引用类型时没有使用正确的大小写。

1. You might have misspelled the name of the type or namespace that you are trying to use. Without the correct name, the compiler is unable to find the definition for the type or namespace that you referred to in your code. This occurs most often because C# is case-sensitive and you did not use the correct capitalization when you referred to the type.

2.如果错误是对命名空间的引用，则可能没有在项目中引用命名空间的程序集。

2. If the error is a reference to a namespace, you may not have the assembly where the namespace is located referenced in your project.

3.如果错误是对类型的引用，那么您可能没有正确使用directiv e，或者您可能没有完全限定类型的名称。

3. If the error is a reference to a type, then you may not have the proper using directive, or you may have not fully qualified the name of the type.

解决方法：

当您收到此编译器错误时，首先要做的事情是检查是拼写。如前所述，最常见的原因是没有类型或命名空间的正确情况。如果您确定已正确拼写了类型或命名空间的名称
（包括正确的大小写），请检查以下内容：

When you receive this compiler error, the first thing to check is spelling. As previously noted, the most common cause is not having the correct case for the type or namespace. If you feel certain that you have spelled the name of the type or namespace correctly (including the correct capitalization), then check the following:

1. 程序集参考：
   $
   
   
   确保已引用包含命名空间的程序集。如果您在Visual Studio .NET中进行开发，则可以转到
   项目菜单，然后单击添加参考。在 .NET 选项卡上，选择包含要尝试导入的命名空间的程序集，或者选择
   浏览到包含程序集的文件夹。如果使用命令行编译器，请将相应的开关（ / reference ）添加到编译语句中。
2. 命名空间：
   
   
   
   确保通过在包含类型引用的代码文件顶部使用using语句将名称空间导入项目

1. Assembly Reference:
   
   Make sure that you have referenced the assembly that contains the namespace. If you are developing in Visual Studio .NET, you can go to theProject menu and click Add Reference. On the .NET tab, choose the assembly that contains the namespace that you are trying to import, orBrowse to the folder that contains the assembly. If you are using the command-line compiler, add the appropriate switch (/reference) to the compile statement.
2. Namespace:
   
   Make sure that you are importing the namespace into your project by having a using statement at the top of the code file that contains the type reference

有关详细信息，请参阅：

For more information, please refer to:

问题仍然存在，请你提供一个关于这个问题的简单演示，我们'我将重现您的问题并尝试找到解决方案。

It the issue is still exist, Could you please provide a simple demo about the issue, we'll reproduce your issue on our side and try to find a solution to solve it.

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