Selection Lists

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Selection list allows the user to select values from a pre-defined set of values (usually a table).

In this set of articles we will learn how to:

1. Create a selection list controller
2. Set the allowed activities of a controller
3. Learn about the AllowSelect
4. Pass the parameter
5. Determine which row should the program park on
6. Use the Expand event
7. Use a generic SelectionList utility

For this example, let's create a SelectShippers controller that will allow the user to select a shipper from the shippers entity. Basically we can start with a regular UIController class that uses the shippers entity as its main table and place the ShipperID and CompanyName columns on the view.

• Making the Controller Readonly
• AllowSelect Property
• Returning the Selected Value
• Determine the Parked Row
• Using the Expand event to call the SelectShipper Controller
• Defining the Expand event at the Column Level
• ShowExpandButton Property
• Using the Generic SelectionList

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