您可以:

点击file-> new ->从现有项目创建项目 选择您的原始文件，例如。方案1，并输入新的文件名方案2 2 .在新方案中修改项目名称

如果您正在Visual Studio 2010中创建网站。您可以按照如下方式修改项目名称。

步骤1:在Visual Studio 2010中，SLN文件将存储在Visual Studio 2010的项目文件夹下，源文件存储在Visual Studio 2010的网站文件夹下。

步骤2:重命名文件夹右键单击该文件夹通过重命名，其中包含您的SLN项目。

步骤3:重命名SLN文件名右键单击该SLN文件转发重命名。

第四步:在Visual Studio 2010的Website下重命名包含SLN文件Source的文件夹。

步骤5:然后最后双击您的SLN文件，并更改您的SLN源文件夹的根。

重命名一个解决方案:

In Solution Explorer, right-click the project, select Rename, and enter a new name. In Solution Explorer, right-click the project and select Properties. On the Application tab, change the "Assembly name" and "Default namespace". In the main cs file (or any other code files), rename the namespace declaration to use the new name. For this right-click the namespace and select Refactor > Rename enter a new name. For example: namespace WindowsFormsApplication1 Change the AssemblyTitle and AssemblyProduct in Properties/AssemblyInfo.cs. [assembly: AssemblyTitle("New Name Here")] [assembly: AssemblyDescription("")] [assembly: AssemblyConfiguration("")] [assembly: AssemblyCompany("")] [assembly: AssemblyProduct("New Name Here")] [assembly: AssemblyCopyright("Copyright © 2013")] [assembly: AssemblyTrademark("")] [assembly: AssemblyCulture("")] Delete bin and obj directories physically. Rename the project physical folder directory. Open the SLN file (within notepad or any editor) and change the path to the project. Clean and Rebuild the project.

如果要重命名解决方案，可以执行以下步骤。

Backup.First things first, make sure to always create a backup file.Simply copy your project to a different directory. In Solution Explorer, right-click the project, select Rename, and enter a new name. In Solution Explorer, right-click the project and select Properties. On the Application tab, change the "Assembly name" and "Default namespace". Open any .cs and rename all namespace Change the AssemblyTitle and AssemblyProduct in Properties/AssemblyInfo.cs. Delete bin and obj directories physically. Rename the project physical folder directory. Open the Sln file (within notepad or any editor) and change the path to the project. Cleans and Rebuild the project

https://learn.microsoft.com/en-us/answers/questions/1028483/rename-solution-and-related-projects-in-a-aspnet-w.html细节……

连同这个链接的答案

https://stackoverflow.com/a/19844531/6767365

重命名这些文件。 我把我的项目重命名为MvcMovie，它工作得很好

2021年更新:

重命名项目使这变得毫不费力。一个简单的CLI工具，它甚至在成功时创建一个git提交。

https://github.com/ModernRonin/ProjectRenamer

旧的回答:

我曾经使用Visual Studio扩展“完全重命名项目”来成功地重命名ASP中的项目。NET Core 2解决方案。

我使用ReSharper然后调整名称空间(右键单击项目，重构，调整名称空间…)

https://github.com/kuanysh-nabiyev/RenameProjectVsExtension