当我使用Microsoft.EntityFrameworkCore.Tools 1.1.1运行Add-Migration时,出现以下错误:
When I run Add-Migration using Microsoft.EntityFrameworkCore.Tools 1.1.1, I get the following error:
Add-Migration :异常,调用带有 1参数的子字符串: StartIndex不能小于零。参数名称:startIndex在行:1字符:1 + Add-迁移 + ~~~~~~~~~~~~~ + CategoryInfo:未指定:(:) [Add-Migration],MethodInvocationException + FullyQualifiedErrorId:ArgumentOutOfRangeException,Add-Migration
Add-Migration : Exception calling "Substring" with "1" argument(s): "StartIndex cannot be less than zero. Parameter name: startIndex" At line:1 char:1 + Add-Migration + ~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [Add-Migration], MethodInvocationException + FullyQualifiedErrorId : ArgumentOutOfRangeException,Add-Migration
相同的东西与1.1.0-preview4-final版本完美配合
The same stuff works perfect with version 1.1.0-preview4-final
推荐答案这是问题#8163 。您可以放心地忽略该错误。它将在2.0.0-preview2-final中修复。
This is issue #8163. You can safely ignore the error. It will be fixed in 2.0.0-preview2-final.
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EFCore中的迁移错误
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