缺少 app.config 文件和“添加新项目"选项；不显示配置文件 [英] Missing app.config file, and option on "Add New Item" does not show configuration file

问题描述

我在 Visual Studio 2017 上缺少我的 app.config 文件.

当我使用添加新项目"添加时，应用程序配置文件"丢失了.在菜单工具 - Nuget 包管理管理器"上，缺少管理 Nuget 包以获取解决方案".

有什么办法可以让我恢复这些选项吗?当我创建一个新项目时，选项就在那里，但对于这个特定的解决方案却没有.

I'm missing my app.config file on Visual Studio 2017.

When I go added using the "Add New Item", the "Application Configuration File" is missing. On the menu, Tools - Nuget Package Manage Manager, the "Manage Nuget Packages for Solution" is missing.

Is there a way I can get those options back? When I create a new project, the options are there, but for this particular solution is not.

推荐答案

有什么办法可以让我恢复这些选项吗?当我创建一个新项目时，选项就在那里，但对于这个特定的解决方案却没有.

Is there a way I can get those options back? When I create a new project, the options are there, but for this particular solution is not.

您应该确保您的特定解决方案中有一个项目，如果您有一个没有任何项目的解决方案或所有项目都已卸载，您将找不到应用程序配置文件和管理 Nuget 包解决方案.

You should make sure that there is a project in your particular solution, if you have a solution without any project or all project are unloaded, you would not find the Application Configuration File and Manage Nuget Packages for Solution.

另外，如果你的解决方案中有项目，请检查是否所有项目都卸载了，如果是，你应该重新加载它:

Besides, if there is a project in your solution, please check if all the projects are unloaded, if yes, you should Reload it:

如果以上答案不能解决您的问题，请分享更多详细信息，一些屏幕截图会更好.

If above answer does not solve your problem, please share more detail info, Some screenshots would be better.

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