.NET MVC 4.6项目Git拉取后EF6数据优先生成模型异常

Hey there, let's figure out why your EF6 database-first models aren't behaving after pulling from GitHub. Since the files are present in the remote repo but not working locally, here's the key info and files you should share to help troubleshoot:

• EF Configuration & Core Files:

  • Your project's Web.config (or App.config if models are in a class library). We need to check the <entityFramework> section, connection strings, and provider settings—these often get out of sync when moving between environments.
  • If you're using an .edmx file (standard for database-first), share the .edmx itself plus its associated .edmx.diagram, .edmx.tt, and .edmx.context.tt files. Those T4 templates are responsible for generating your model classes; if they're misconfigured or missing references, the models won't build correctly.

• Build Errors & Project Structure:

  • Copy-paste the exact error messages you're seeing when trying to use the models (e.g., "The type or namespace name 'Customer' could not be found"). Specific errors are the fastest way to pinpoint the issue.
  • A quick breakdown of how your model files are organized in Visual Studio 2017—are the generated classes nested under the .edmx file, or in a separate folder? Sometimes folder structure mismatches break references.

• Git Repository State:

  • Run git status in Git Bash and share the output. Are there uncommitted changes, merge conflicts, or ignored files that might be interfering with the model files?
  • Check your .gitignore file for any entries that might be blocking EF-related files (like *.tt, *.edmx, or model folder paths). Even if you pushed the files once, a misconfigured .gitignore could cause local issues.

• Local Environment Checks:

  • Confirm your local database connection matches the one in the pulled Web.config. If the connection string points to a database you don't have access to or that doesn't exist locally, the models won't be able to retrieve data.
  • Let us know if you've tried refreshing the model by right-clicking the .edmx and selecting "Update Model from Database"—sometimes this fixes template or connection glitches after pulling changes.

Once you share these details, we can zero in on the exact problem and get your models working again!

内容的提问来源于stack exchange，提问作者Anders Knudsen