`using System;`

templates/app-nolayers/aspnet-core/MyCompanyName.MyProjectName.Blazor.Server/Program.cs

@@ -1,3 +1,4 @@
+using System;
 using MyCompanyName.MyProjectName.Blazor.Server;
 using MyCompanyName.MyProjectName.Data;
 using Serilog;

templates/app-nolayers/aspnet-core/MyCompanyName.MyProjectName.Host/Program.cs

@@ -1,3 +1,4 @@
+using System;
 using MyCompanyName.MyProjectName.Data;
 using Serilog;
 using Serilog.Events;

templates/app-nolayers/aspnet-core/MyCompanyName.MyProjectName.Mvc/Program.cs

@@ -1,3 +1,4 @@
+using System;
 using MyCompanyName.MyProjectName.Data;
 using Serilog;
 using Serilog.Events;

templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore/EntityFrameworkCore/MyProjectNameDbContextFactory.cs

@@ -1,4 +1,5 @@
-using System.IO;
+using System;
+using System.IO;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Design;
 using Microsoft.Extensions.Configuration;

templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore/EntityFrameworkCore/MyProjectNameEntityFrameworkCoreModule.cs

@@ -1,4 +1,5 @@
-using Microsoft.Extensions.DependencyInjection;
+using System;
+using Microsoft.Extensions.DependencyInjection;
 using Volo.Abp.AuditLogging.EntityFrameworkCore;
 using Volo.Abp.BackgroundJobs.EntityFrameworkCore;
 using Volo.Abp.EntityFrameworkCore;