IdeaBlade.EntityModel Assembly > IdeaBlade.EntityModel Namespace > EntityScalarAsyncExtensions Class > Single Method : Single(IEntityScalarQuery,IPredicateDescription) Method |
'Declaration
<ExtensionAttribute()> Public Overloads Shared Function Single( _ ByVal source As IEntityScalarQuery, _ ByVal predicateDescription As IPredicateDescription _ ) As Task
'Usage
Dim source As IEntityScalarQuery Dim predicateDescription As IPredicateDescription Dim value As Task value = EntityScalarAsyncExtensions.Single(source, predicateDescription)
[Extension()] public static Task Single( IEntityScalarQuery source, IPredicateDescription predicateDescription )
public async void AsyncSingleWithPredicate() { Employee emp = await _entityManager.Employees.AsScalarAsync().Single(e => e.Id == 1); }
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2