Getting new value gridview rowupdating event


12-Jul-2017 11:05

For normal operation, you provide a repository object that works with the Entity Framework.

For testing, you provide a repository object that works with data stored in a way that you can easily manipulate, such as class variables defined as collections.

The following illustration shows the difference between a business-logic class that includes data-access logic without a repository and one that uses a repository.

This makes it possible for you to provide the business-logic class with a reference to any object that implements the repository interface.Each installation contains two CHM and two PDF files that describe end-user capabilities in Win Forms and ASP. You are free to download these files and distribute them to your end-users. has the right to change or remove these resources without notice.Note on CHM documentation If you don't see any information when you download and open the CHM file (instead, you see "The address is not valid" error), you may need to unblock this CHM file.We are your extended team and are working hard to make certain you have all the resources necessary to build your next great app.

Should you have any questions or wish to provide feedback on our documentation, feel free to email us at [email protected] example, you can perform logging every time an entity is updated, archive data whenever an entity is deleted, or automatically check and update related data as needed when inserting a row with a foreign key value. For example, when you update a department, you might need to validate that no other departments have the same administrator because one person cannot be administrator of more than one department.In some that includes both business logic and data-access logic.The pages you create in this tutorial work with the entity set of the data model that you created in the Getting Started tutorial series.