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ScalarQueryProducersCountDistinct Method (QuerySpec, IExpression)

Creates a scalar query over the specified query and aggregates the expression specified with the Count(Distinct ) aggregate function.

Namespace:  SD.LLBLGen.Pro.QuerySpec
Assembly:  SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.6.0.0 (5.6.19.0117)
Syntax
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public static ScalarQueryExpression CountDistinct(
	this QuerySpec query,
	IExpression expressionToAggregate
)

Parameters

query
Type: SD.LLBLGen.Pro.QuerySpecQuerySpec
The query.
expressionToAggregate
Type: SD.LLBLGen.Pro.ORMSupportClassesIExpression
The expression to aggregate.

Return Value

Type: ScalarQueryExpression

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type QuerySpec. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also