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[.NET Core] efcore Add-Migration error

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Posted on 11/15/2019 2:27:13 PM | | |
Question 1: Add-Migration: An exception occurs when calling "AddFromFile" with "1" parameter: "basePath" cannot be an empty string ("") or start with a null character.
Parameter name: basePath"
Location Line: 1 Characters: 1




1. Install .netCore

2. Close the console and restart VS

3. Check for spaces: More or fewer spaces Occasionally, this problem can occur.

Issue 2: The Add-Migration item cannot be recognized as the name of a cmdlet, function, script file, or executable program. Please check the spelling of the name and if you include a path, make sure it is correct and try again.

1. Cite EFCore.sql, EFCore, EFCore.Design.

Question 3: No migrations configuration type was found in the assembly 'Nop.Data'. (In Visual Studio you can use the Enable-Migrations command from Package Manager Console to add a migrations configuration).

1. Run Enable-Migrations – EnableAutomaticMigrations


Common commands:

add-Migration -c TextContext  initDb

update-Database -c TextContext





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