Syntax
| Visual Basic (Declaration) | |
|---|---|
Function CountAsync( _ Optional ByVal predicate As Expression(Of Func(Of T,Boolean)) _ ) As Task(Of Integer) | |
| Visual Basic (Usage) |  Copy Code |
|---|---|
Dim instance As IRepository(Of T) Dim predicate As Expression(Of Func(Of T,Boolean)) Dim value As Task(Of Integer) value = instance.CountAsync(predicate) | |
| C# | |
|---|---|
Task<int> CountAsync( Expression<Func<T,bool>> predicate ) | |
| C++/CLI | |
|---|---|
Task<int>^ CountAsync( Expression<Func<T^,bool>^>^ predicate ) | |
Parameters
- predicate
- Optional predicate to filter the entities
Return Value
The number of entities matching the optional expression.Requirements
Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family