Master/Detail Filtering With Two DropDownLists:
Step 1-Creating and Populating the Categories DropDownList
This step of the VIDEO TUTORIAL will showcase on how to create and implement Master/Detail scenario with dropdown lists and detailsview on MasterDetailsDetails.aspx page in the Filtering folder. The first dropdown list will display the list of categories. This first dropdown list will be configured with an ObjectDataSource control and will invoke the relevant methods from CategoriesBLL business object. For detailed information and source code for this step, please refer to the original article.