Item Retrieval Service

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The Item Retrieval service makes it possible for Web Parts to retrieve items such as Web Parts and dashboards from the store, even if they do not reside on the current dashboard. Then, the items can be modified the same way they are with the Part State Management service.

In This Section

• DDSC Object (Item Retrieval Service)
  The LoadItem method is provided on the Digital Dashboard Services Component (DDSC) object.
• Item Object (Item Retrieval Service)
  The Item object provides the capability to retrieve or modify the content of an object in the store and the collection of Properties for the item. The Item object also provides the capability to save changes back to the store.
• ItemCollection Object (Item Retrieval Service)
  The ItemCollection object provides access to the items that are contained by a parent item.

Related Sections

• Digital Dashboard Services Component
  The Digital Dashboard Services Component (DDSC) is a client-side component that is included in every dashboard page as a hidden object.
• Part Discovery Service
  The Part Discovery service makes it possible for Web Parts to discover other Web Parts on a dashboard.
• Notification Service
  Through the Notification service, Web Parts can indicate interest in an event, providing a handle to a function that will be called when the event runs.
• Session State Management Service
  Through the Session State Management service, Web Parts can share data with other parts (even if the Web Parts are located on other dashboards) through name-value pairs associated with the browser session.
• State Management Service
  State management is a simple but essential feature of dashboard applications. The state of a Web Part or dashboard is the combination of standard Web Part and dashboard schema properties and any user- or system-defined extensions.