/// <summary> /// Obtiene los tipos de cambio dada una fecha /// </summary> /// <param name="_date"></param> /// <history> /// [vipacheco] 13/Abril/2016 Created /// </history> public static List <ExchangeRateShort> GetExchangeRatesByDate(DateTime?_date, string currency = "") { using (var dbContext = new IMEntities(ConnectionHelper.ConnectionString())) { return(dbContext.USP_OR_GetExchangeRatesByDate(_date, currency).ToList()); } }