"Permission denied" when trying to create a database file (Code First) in the App_Data directory. How to fix?

Question

ASP.NET

An account with administrator rights.
I did not change the rights to the App_Data folder.
The project itself is in "My Documents".
SQL Server Express 2017.

<add name="DrinkContext" connectionString="Data Source=.\SQLExpress;AttachDbFilename=|DataDirectory|\Drinks.mdf;Integrated Security=True"
         providerName="System.Data.SqlClient"/>

System.Data.SqlClient.SqlException: 'Directory lookup for file 'C:\Users\sumo\Documents\Visual Studio 2017\Projects\SodaDispencer2\SodaDispenser2\App_Data\Drinks.mdf' failed, causing operating system error 5(Denied access.).
CREATE DATABASE operation failed. Some of the listed filenames were not created. Check related errors.'

Answer 1

Run studio as administrator