Fixing “An error occurred while updating the entries” while running code-first migrations in MVC 5 app

This post was most recently updated on April 8th, 2019.This post describes an issue with EF’s code-first migrations, when mapping between DB’s DateTime (datetime2) and C#’s DateTime simply fails, and results in the Update-Database cmdlet failing, too. It’s more or less a prime example of a situation, where the error itself tells very little about the actual issue, and since debugging code-first migrations is kind of difficult (see the best tips for that here!), it’s cumbersome to investigate. Symptoms So what’s the error that we’re … Continue reading Fixing “An error occurred while updating the entries” while running code-first migrations in MVC 5 app