FAQ Database Discussion Community

How to return result while applying Command query separation (CQS)

I am separating my query and command on service side like this: public class ProductCommandService{ void AddProduct(Product product); } public interface ProductQueryService{ Product GetProduct(Guid id); Product[] GetAllProducts(); } Command Query Separation accepts that a method should change state or return a result. There is no problem. public class ProductController: ApiController{...

Change current implementation of basic MVVM to adhere to SOLID pattern

I have been writing all my MVVM application with basic design pattern generally mentioned in MVVM examples available online. The pattern that I am following is described below: Model This section include DTO classes with their properties and Interfaces IDataService and like: public class Employee { public string EmployeeName {...