Updating in gridview

We've seen how the Object Data Source acts as a proxy between the ASP. When a Grid View needs to display data, it invokes its Object Data Source's query to the Northwind database.

In this tutorial we'll see how to map an Object Data Source's Insert(), Update(), and Delete() methods to the methods of BLL classes, as well as how to configure the Grid View, Details View, and Form View controls to provide data modification capabilities.When configured to insert, update, or delete data, the Grid View, Details View, and Form View controls provide a user interface for modifying the underlying data.This user interface calls the methods to methods of classes in the BLL, as well as how to configure the Grid View, Details View, and Form View controls to provide data modification capabilities.Moreover, in Creating a Business Logic Layer we designed methods in the BLL that called down into these data modification DAL methods.In addition to its method, these three methods can be mapped to methods in an underlying object.

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