It would be something like this
<Table>.GroupBy(x => x.Numero_Operacion)
.Where(x => x.Count() > 1)
.SelectMany(x => x)
Pergunta
Select * from table
where Numero_Operacion in
(
Select Numero_Operacion from table
group by Numero_Operacion
having count(Numero_Operacion)>1
)
THANKS!
Solução
It would be something like this
<Table>.GroupBy(x => x.Numero_Operacion)
.Where(x => x.Count() > 1)
.SelectMany(x => x)