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Use generic GroupDescriptor

This help article will show you how to create generic expression GroupDescriptors for RadGridView.

Generic GroupDescriptor

You can also group objects by the result of an equally complex operation:

Example 1: Create a generic GroupDescriptor.

var descriptor = new GroupDescriptor<Employee, int, int>
    GroupingExpression = e => e.Orders.Where(o => o.Details.Any(d => d.Product.ProductName.Contains("Syrup"))).Count(),
    SortDirection = ListSortDirection.Ascending

Then, add the defined GroupDescriptor to the GroupDescriptors collection of RadGridView.

For more information you can check the Grouping section.

See Also

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