This step of the VIDEO TUTORIAL will elaborate on the ObjectDataSource control and will introduce on how various SELECT, INSERT, UPDATE and DELETE events are mapped to the corresponding methods of an underlying business objects when bound to data web controls such as FormView, DetailsView and GridView controls. In addition, this tutorial will add some additional pages to the ‘EditInsertDelete’ folder of our project that will serve as basis for upcoming tutorials of this new section of the Data Tutorials. The primary objective of this tutorial series is to explore and familiarize the data modification capabilities of various data web controls that include GridView, FormView and DetailsView controls. For detailed information and source code for this step, please refer to the original article.

In this step of the VIDEO TUTORIAL an ObjectDataSource is configured to use an underlying business object’s various methods that include SELECT, INSERT, UPDATE and DELET methods. The business object under consideration is ProductsBLL and the corresponding methods are GetProducts( ), AddProducts( ), UpdateProducts( ) and DeleteProducts( ) respectively that map to the corresponding SELECT, INSERT, UPDATE and DELETE tabs of ObjectDataSource configuration wizard. This ObjectDataSource control is added to the Basics.aspx web page of the EditInsertDelete folder to explore the differences between the data modification capabilities of the GridView, FormView and DetailsView control. The preceding data source will be used by all of the data web controls for upcoming steps of this video tutorial.For detailed information and source code for this step, please refer to the original article.

In this step of the VIDEO TUTORIAL a GridView control is added to the Basics.aspx web page and is bound to the previously created ObjectDataSource1 in the Step 2 of this video tutorial. The GridView control’s deleting feature explored in detail. In addition, the viewer is also introduced to the importance of OldValuesParameterFormatString parameter in the declarative mark up of the ObjectDataSource1 control. For detailed information and source code for this step, please refer to the original article.