;with cteInvoiceDetails as (select *, row_number() over (partition by InvoiceNo order by InvoiceDate DESC) as Rn)
select * from cte c1 where Rn = 1 and NoStatus = 7 and 
exists (select 1 from cte c2 where c2.InvoiceNo = c1.InvoiceNo and c2.Rn = 2 and NoStatus = 3) -- so, the previous row has status 3 and therefore this row may be deleted

>IF OBJECT_ID('tempdb..#Temp') IS NOT NULL
> DROP TABLE #Temp
>
>SELECT InvoiceDetail.NoInvoice,InvoiceDetail.Numero
> INTO #Temp
> FROM
> (SELECT MAX(InvoiceDetail.Numero) AS InvoiceDetailNumero
> FROM Invoice
> INNER JOIN InvoiceDetail ON Invoice.Numero=InvoiceDetail.NoInvoice
> WHERE Invoice.NoCompany=32
> GROUP BY InvoiceDetail.NoInvoice) Invoice2
> INNER JOIN InvoiceDetail ON Invoice2.InvoiceDetailNumero=InvoiceDetail.Numero
> WHERE InvoiceDetail.NoStatus=7 AND InvoiceDetail.AddUser=1
>
>DECLARE @NoInvoice INT
>DECLARE @NoStatus INT
>DECLARE @Numero INT
>
>WHILE (SELECT COUNT(*) FROM #Temp)>0
>BEGIN
>
>   SELECT TOP 1 @Numero=Numero,@NoInvoice=NoInvoice FROM #Temp
>
>   IF OBJECT_ID('tempdb..#Temp2') IS NOT NULL
>    DROP TABLE #Temp2
> 
>    SELECT TOP 1 InvoiceDetail.Numero AS InvoiceDetailNumero,InvoiceDetail.NoStatus
>    INTO #Temp2
>    FROM InvoiceDetail
>    WHERE InvoiceDetail.NoInvoice=@NoInvoice AND InvoiceDetail.NoStatus<>7
>    ORDER BY InvoiceDetail.NoInvoice
>
>   SELECT @NoStatus=NoStatus FROM #Temp2
>
>   IF (@NoStatus=3)
>   BEGIN
>      
>      DELETE FROM InvoiceDetail WHERE Numero=@Numero
>
>      UPDATE Invoice SET NoStatus=3 WHERE Numero=@NoInvoice
>
>   END
>
>   DROP TABLE #Temp2
>
>   DELETE FROM #Temp WHERE Numero=@Numero
>END
>
>DROP TABLE #Temp
>