Visual Studio C# NET $6\mathrm{.}0$ Please SHOW ALL LOGIC for each classes. Will Need a new form to Update and ADD Products to SQL database

Application should have a login page. After successful login$,$ let the users view product

information $($populate on form load event after fetching product data from database created from DataBase In SQL

and perform CRUD $($Create$,$ Read, Update, and Delete$)$ on Product entity. You will use

SQL server and

ADO.NET in this assignment.

Customers shouldn't be allowed to perform CRUD on products.

Use $3$ tier architecture in the application to organize code. UI$,$ PD and DB classes.

Add exception handling and data validation

Please Show All Classes For CRUD and forms, data handling, buttons, and textboxes for this assignment.

Program should read Username and know if it's an admin or a Customer.