WPF C# Data Save, Update and Delete with 3 layer architecture - Part 3(BLL Class)

In BLL class library, add two references of DAL & ENTITY, Now use this code.

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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using DAL; using ENTITY; namespace BLL { public class CustomerInfoManager { CustomerInfoGetway customerInfoGetwayObj = new CustomerInfoGetway(); public void SaveCustomerInfo(CustomerInfo _customerInfoObj) { customerInfoGetwayObj.SaveCustomerInfo(_customerInfoObj); } public List<CustomerInfo> LoadAllCustomerInfo() { return customerInfoGetwayObj.LoadAllCustomerInfo(); } public void UpdateCustomerInfo(CustomerInfo _customerInfoObj) { customerInfoGetwayObj.UpdateCustomerInfo(_customerInfoObj); } public void DeleteCustomerInfo(CustomerInfo _customerInfoObj) { customerInfoGetwayObj.DeleteCustomerInfo(_customerInfoObj); } } }