安装Autodesk.Forge.DesignAutomation NuGet包至.NET4.7.1项目失败求助

Hey there, let's break down what's happening here and walk through the fixes for both errors you're encountering.

First, let's unpack the core issue from the error message you got:

无法安装包“Autodesk.Forge.DesignAutomation 3.0.0-beta2”。你正尝试将此包安装到目标为“.NETFramework,Version=v4.7.1”的项目中，但该包不包含任何与此框架兼容的程序集引用或内容文件。如需更多信息，请联系包作者。

This is a clear sign that the 3.0.0-beta2 and beta3 versions of the Autodesk.Forge.DesignAutomation package no longer support .NET Framework 4.7.1. Autodesk likely updated these beta releases to target modern .NET platforms (like .NET Core 3.1+, .NET 5/6/7+) and dropped compatibility with the older .NET Framework runtime.

Here are your actionable solutions: #

• Install an older, .NET Framework-compatible version of the package
  Check the package's version history to find a release that explicitly supports .NET Framework 4.7.1. Versions prior to the 3.0.0-beta series (like 2.x.x stable releases) are almost guaranteed to work. To install one:

  1. Open your project's NuGet Package Manager in Visual Studio
  2. Search for Autodesk.Forge.DesignAutomation
  3. Click the version dropdown and select an older stable release (e.g., 2.19.0)
  4. Click "Install"
     Alternatively, use the Package Manager Console command:

  Install-Package Autodesk.Forge.DesignAutomation -Version 2.19.0
  

  (Double-check the latest compatible version by reviewing the package's metadata on NuGet to confirm .NET Framework 4.7.1 is listed as supported.)

• Upgrade your project's target framework to a modern .NET version
  If you're able to update your project, switching to an LTS (Long-Term Support) modern .NET version like .NET 6 or .NET 7 will let you use the latest 3.0.0-beta packages. To do this:

  1. Right-click your project in Visual Studio and select "Properties"
  2. Navigate to the "Application" tab
  3. Change the "Target framework" dropdown to a supported modern .NET version
  4. Save changes, rebuild your project, then try installing the beta package again

A quick note on beta versions: #

Remember that beta releases (like 3.0.0-beta2/beta3) are pre-production builds—they might have breaking changes, limited documentation, or unresolved bugs. If stability is a top priority for your project, sticking with a stable, .NET Framework-compatible older version is the safer choice.

内容的提问来源于stack exchange，提问作者Dipak G