Contents
When to create data access and business logic?
If your Web site displays or updates data, you should create a data-access layer and business-logic layer before creating the user interface. A data-driven Web application usually includes a data-access layer by using typed datasets or entity classes that represent the data.
How to separate data management and access logic?
You can even distribute different front-end files to different users. For more information, see Split an Access database. Another way to separate data management and application logic is by using a database server program (such as Microsoft SQL Server) for data management, and Access for application logic.
How to create data access and business logic layers in ASP?
Select the row for the taskId column, right-click the row, and then click Set Primary Key. In the Properties window, set the Identity Column property to the taskId column. Save the table, name it TasksList, and then close the table-definition window.
How is data access and business logic separated in ASP.NET?
ASP.NET can provide separation between data access, business logic, and presentation in several ways. For example, the data source model, which includes server controls such as the LinqDataSource and ObjectDataSource controls, separates the presentation layer from the data-access code and the business logic.
How does the data access and presentation layers work?
The data-access layer typically contains classes that implement methods for accessing the underlying database data. The presentation layer does not directly work with data. Instead, it invokes classes and methods in the data-access layer for all data requests.
What does the data access layer do in.net?
The data layer manages the physical storage and retrieval of data The business layer maintains business rules and logic The presentation layer houses the user interface and related presentation code.