How to Use Virtual Sources

• Feb 11, 2022

This step-by-step tutorial demonstrates how to use virtual sources.

Complete Examples

• How to Bind to InfiniteAsyncSource
• How to Bind to PagedAsyncSource

Demos

• Infinite Scrolling Source
• Paged Source

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Tutorial Steps

Note

The Issues Service is used as an example of a data source in this tutorial.

This tutorial uses the InfiniteAsyncSource virtual source. See the Other Virtual Sources topic for more information.

• Step 1: Fetch Data and Enable Scrolling

  Create a virtual source, fetch rows from the service, and enable scrolling in the GridControl.

• Step 2: Enable Sorting

  Implement sort operations in the virtual source and enable them in the GridControl.

• Step 3: Enable Filtering

  Implement filter operations in the virtual source and enable them in the GridControl.

• Step 4: Display Summaries

  Get summaries and display them in the GridControl.

• Step 5: Enable Data Editing

  Enable data editing in the GridControl and post changes to a database.