Add an Action that Displays a Pop-Up Window

• May 07, 2025
• 4 minutes to read

This lesson explains how to create an Action that shows a pop-up window. This type of Action is useful when users want to input multiple parameters in a pop-up dialog before they execute an Action.

Note

Before you proceed, take a moment to review the previous lessons:

• Configure a Many-to-Many Relationship
• Add a Simple Action

In this tutorial, you will implement the ability to add notes from a predefined list to task descriptions.

Implement a New Entity

1. Expand the MySolution.Module project and right-click the Business Objects folder. Choose Add | Class…. Specify Note.cs as the new class name and click Add.

2. Replace the generated class declaration with the following code snippet:

3. Register the Note type in DbContext. Edit the BusinessObjects\MySolutionDbContext.cs file as shown below:

Create a View Controller

1. Add a new View Controller to the MySolution.Module project. Name it PopupNotesController.

2. In the PopupNotesController.cs file, specify the controller properties:

3. Add the ShowNotesAction action and handle its CustomizePopupWindowParams event:

4. Add and handle the ShowNotesAction‘s Execute event. It occurs when a user clicks OK in the pop-up window. The event handler code appends the Note.Text property value to the Task.Description property value.

5. Run the application.

For an example of how to create and show a Detail View, refer to the following topic: How to: Create and Show a Detail View of the Selected Object in a Popup Window.

Note

CodeRush allows you to add Actions and Controllers with a few keystrokes. To learn about the Code Templates for XAF , refer to the following help topic: XAF Templates.

Next Lesson

Add an Action with Option Selection

See Also

Create, Read, Update and Delete Data

SetModified

Actions (Menu Commands)

Controllers (UI Logic & Interaction)

PopupWindowShowAction

SaveOnAccept

How to: Adjust the Size and Style of Pop-up Dialogs (Blazor)