Screen contain Entity Type building blocks that encapsulate client business logic. Screens lays out content items automatically and content items and layouts can be changed dynamically (: time saver :) Screen consist of Visual tree that contain content Items.
User interface consist of Shell, Screen, Theme, Controls Presentation tier is Silverlight 4 (in or out of browser).You can run and debug the application and then publish to IIS or Azure.After you create a screen, you can modify its appearance in the designer. You bind data to a screen to link the entities or queries to be displayed. Screens (or forms) are based on predefined templates.You can create relationships between entities.
Data entities can be the built-in application database, or imported data from an external database, a SharePoint list, WCF RIA Services ,or other data source.LightSwitch lets you focus on the business logic of the application by providing visual manipulation of data entities (tables and relationships) and screens to shorten the application development cycle.
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