ExtensionsExecuteScalarAsyncT - метод

public static Task<T> ExecuteScalarAsync<T>(
	this DbCommand command,
	CancellationToken cancellationToken = default
)

<ExtensionAttribute>
Public Shared Function ExecuteScalarAsync(Of T) ( 
	command As DbCommand,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of T)

public:
[ExtensionAttribute]
generic<typename T>
static Task<T>^ ExecuteScalarAsync(
	DbCommand^ command, 
	CancellationToken cancellationToken = CancellationToken()
)

[<ExtensionAttribute>]
static member ExecuteScalarAsync : 
        command : DbCommand * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<'T>