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QueryableExIsEmptyTSource Method (IQueryableTSource)
Determines whether an enumerable sequence is empty.

Namespace: System.Linq
Assembly: System.Interactive.Providers (in System.Interactive.Providers.dll) Version: 1.2.0.0
Syntax
C#
public static bool IsEmpty<TSource>(
	this IQueryable<TSource> source
)

Parameters

source
Type: System.LinqIQueryableTSource
Source sequence.

Type Parameters

TSource
Source sequence element type.

Return Value

Type: Boolean
true if the sequence is empty; false otherwise.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IQueryableTSource. 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