<?xml version="1.0" encoding="utf-8" ?> <configuration> <connectionStrings> <add name="Default" connectionString="Data Source=.\frontend.db;Version=3;" providerName="System.Data.SqlClient" /> </connectionStrings> <startup> <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" /> </startup> </configuration>