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To configure the Object Data Source we specify this underlying object and how its methods map to the Object Data Source's methods.Once this underlying object has been specified and its methods mapped to the Object Data Source's, we can then bind the Object Data Source to a data Web control. NET ships with many data Web controls, including the Grid View, Details View, Radio Button List, and Drop Down List, among others.

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Figure 4: Specify the Object to Use with the Object Data Source Control (Click to view full-size image) The next screen in the wizard prompts you to select what method the Object Data Source should invoke.

The drop-down lists those methods that return data in the object selected from the previous screen.

Using these controls you can bind data retrieved from the BLL created in the previous tutorial without having to write a line of code! NET 2.0 ships with five built-in data source controls Sql Data Source, Access Data Source, Object Data Source, Xml Data Source, and Site Map Data Source although you can build your own custom data source controls, if needed.

Since we have developed an architecture for our tutorial application, we'll be using the Object Data Source against our BLL classes. NET 2.0 Includes Five Built-In Data Source Controls The Object Data Source serves as a proxy for working with some other object.

In this article I will show you how you can use the Object Data Source with the Grid View control to do editing, updating, deleting and adding new records.

There are several ways to perform these operations, I am using the simplest approach.

You can, however, configure the Object Data Source through its properties, either through the Properties window or directly in the declarative markup.

Simply set the Even if you prefer the Configure Data Source wizard there may be times when you need to manually configure the Object Data Source, as the wizard only lists developer-created classes.

This will automatically create a Bound Field in the Grid View for each property returned by the data from the Object Data Source's method (namely, the properties defined by the Products Data Table).

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