Creating Business Logic Layer:
Step1-Creating BLL Classes
This step of the VIDEO TUTORIAL will show on how to create business logic layer (BLL) classes that include ProductsBLL, CategoryBLL, EmployeesBLL and SuppliersBLL. In addition, the tutorial will also introduce the users on how to add methods to these business logic layer classes and conclude by introducting System.ComponentModel, DataObjectMethodAttribute, DataObjectMethodType, input parameters to these business class methods with Nullable types.

 

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