DevExpress-Examples / wpf-pivot-grid-implement-custom-summary

This example demonstrates how to count distinct values (the number of orders with equal product quantities) and display the result in the Pivot Grid.

Pivot Grid for WPF - How to Create a Custom Summary to Display a Distinct Value Count

This example demonstrates how to count distinct values (the number of orders with equal product quantities) and display the result in the Pivot Grid.

Data Field	Expression
Count Distinct	DistinctCount([OrderID])

Call the CriteriaOperator.RegisterCustomFunction method to register a custom function in your project (see MainWindow.xaml.cs/MainWindow.xaml.vb).

Files to Review

• MainWindow.xaml (VB: MainWindow.xaml)
• MainWindow.xaml.cs (VB: MainWindow.xaml.vb)
• DistinctCountFunction.cs (VB: DistinctCountFunction.vb)

Documentation

• Custom Aggregate Functions
• Custom Summaries

More Examples

• Pivot Grid for WinForms - How to Create a Custom Summary Type to Display the Distinct Value Count
• Pivot Grid for WinForms - How to Aggregate Data by the Field's First Value
• Pivot Grid for Web Forms - How to Aggregate Data by the Field's First Value

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