public async Task <IEnumerable <Nomina> > Nomina([FromRoute] int mes) { // Initialization. List <Nomina> lst = new List <Nomina>(); try { // Settings. SqlParameter usernameParam = new SqlParameter("@mes", mes); // Processing. string sqlQuery = "EXEC [dbo].[store_nominaMensual] @mes"; lst = await _context.Query <Nomina>().FromSql(sqlQuery, usernameParam).ToListAsync(); } catch (Exception ex) { throw ex; } // Info. return(lst); }