public void SeedCategories() { var categories = new List <Category>() { new Category { Title = "Machine Learning" }, new Category { Title = "Deep Learning" }, new Category { Title = "Data Structures & Algorithms" }, new Category { Title = "Design Patterns" }, new Category { Title = "Unit Testing" }, new Category { Title = "C#" }, new Category { Title = "JavaScript" }, new Category { Title = "jQuery" }, new Category { Title = "ASP.NET Core MVC" }, new Category { Title = "ASP.NET MVC" }, new Category { Title = "ASP.NET Web API 2" }, new Category { Title = "ASP.NET Web API" }, new Category { Title = "Entity Framework Core 2" }, new Category { Title = "Entity Framework 6" }, new Category { Title = "ADO.NET" }, new Category { Title = "Windows Presentation Foundation" }, new Category { Title = "Windows Communication Foundation" }, new Category { Title = "Telerik UI" }, new Category { Title = "Telerik UI ASP.NET MVC" }, }; int displayOrder = 0; foreach (var category in categories) { category.DisplayOrder = ++displayOrder; } _context.AddRange(categories); _context.SaveChanges(); }