How to access LightSwitch methods from Silverlight Application: Part III

It is important to build the LightSwitch application to generate the required dlls.

Creating Silverlight Button Usercontrol:

Create a Silverlight Application as shown in the figure.



Xaml for the Usercontrol:

As we said, we are going to call the LightSwitch method from Silverlight Xaml page.



Here,

1. Include the namespaces for the interaction triggers and CallMethodAction.
2. Implement the event trigger.
3. In the CallMethodAction element,
   
   
   • MethodName property – specifies the method to be called.
   • TargetObject – In which object the method is.

The above event trigger will trigger the LightSwitch method when the user clicks on the button.

Before adding namespaces to the Xaml, we need to add the reference to the Silverlight project.



The Interaction and Interactivity namespaces has the elements for the button event triggers.

It is important to build the Silverlight Application to generate the required dlls.

Adding Silverlight Button Usercontrol to LightSwitch App:



Click on the "New Custom Control" option to add the Silverlight control.



Here,

1. Click on the "Add Reference" button to point to the Silverlight button control dlls.
2. After pointing to Silverlight user control dlls, just click on "Main Page".
3. Let the Data for the control be "Screen".

We have successfully added the Silverlight user control to LightSwitch application.

Hit F5 to see the Application in Action.

Application in Action:



When you click on the Say Hello button, you will get a Message box saying "Hello".

Summary:

In this article part, we have seen how to call Visual Studio LightSwitch 2011 application methods from Silverlight Application using Xaml button event triggers.

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