public IList <SalaryTicket> GetSalaryTickets(SalaryTicketModel ticket)
        {
            IList <SalaryTicket> listticket = null;

            using (var ctx = new SalaryManagement_SWD391_ProjectEntities_SalaryTicket())
            {
                if (ticket != null)
                {
                    listticket = ctx.SalaryTickets.Where(c => (c.EmployeeID.Contains(ticket.EmployeeID) || ticket.EmployeeID == null) &&
                                                         (c.PeriodID.Contains(ticket.PeriodID) || ticket.PeriodID == null) &&
                                                         (c.SalaryTicketID.Contains(ticket.SalaryTicketID) || ticket.SalaryTicketID == null)
                                                         ).ToList <SalaryTicket>();
                }
                else
                {
                    listticket = ctx.SalaryTickets.ToList <SalaryTicket>();
                }
            }
            return(listticket);
        }
        public bool CalculateFinalSalary(SalaryTicketDetailModel salaryTicketDetail)
        {
            double?taxcoefficient = 1, allowanceMoney = 1, wagecoefficient = 1, workedtime = 1, standardworkingdays = 1, basicsalary = 1, finalsalary = 1;
            string periodId = "";

            using (var ctx = new SalaryManagement_SWD391_ProjectEntities_Tax())
            {
                var tax = ctx.PersonalIncomeTaxes.Where(c => c.TaxID == salaryTicketDetail.TaxID).FirstOrDefault <PersonalIncomeTax>();
                if (tax != null)
                {
                    taxcoefficient = tax.Coefficient;
                }
            }
            using (var ctx = new SalaryManagement_SWD391_Project_Allowance_Entities())
            {
                var allowance = ctx.Allowances.Where(c => c.AllowanceID == salaryTicketDetail.AllowanceID).FirstOrDefault <Allowance>();
                if (allowance != null)
                {
                    allowanceMoney = Double.Parse(allowance.AllowanceMoney);
                }
            }
            using (var ctx = new SalaryManagement_SWD391_ProjectEntities_Payroll())
            {
                var payroll = ctx.Payrolls.Where(c => c.WageTier == salaryTicketDetail.WageTier).FirstOrDefault <Payroll>();
                if (payroll != null)
                {
                    wagecoefficient = payroll.Coefficient;
                }
            }
            using (var ctx = new SalaryManagement_SWD391_ProjectEntities_WorkingTime())
            {
                var time = ctx.WorkingTimes.Where(c => c.WorkingTimeID == salaryTicketDetail.WorkingTimeID).FirstOrDefault <WorkingTime>();
                if (time != null)
                {
                    workedtime = time.WorkedTime;
                }
            }
            using (var ctx = new SalaryManagement_SWD391_ProjectEntities_SalaryTicket())
            {
                var ticket = ctx.SalaryTickets.Where(c => c.SalaryTicketID == salaryTicketDetail.SalaryTicketID).FirstOrDefault <SalaryTicket>();
                if (ticket != null)
                {
                    periodId = ticket.PeriodID;
                }
            }
            using (var ctx = new SalaryManagement_SWD391_ProjectEntities_Period())
            {
                var period = ctx.Periods.Where(c => c.PeriodID == periodId).FirstOrDefault <Period>();
                if (period != null)
                {
                    standardworkingdays = period.StandardWorkingDays;
                }
            }
            basicsalary = salaryTicketDetail.BasicSalary;
            finalsalary = ((basicsalary * wagecoefficient) * (workedtime / standardworkingdays)) - (basicsalary * taxcoefficient) + allowanceMoney;
            using (var ctx = new SalaryManagement_SWD391_ProjectEntities_SalaryTicketDetail())
            {
                var checkExistingTicketDetail = ctx.SalaryTicketDetails.Where(c => c.SalaryTicketID == salaryTicketDetail.SalaryTicketID).FirstOrDefault <SalaryTicketDetail>();
                if (checkExistingTicketDetail != null)
                {
                    checkExistingTicketDetail.FinalSalary = finalsalary;
                    ctx.SaveChanges();
                    return(true);
                }
                else
                {
                    return(false);
                }
            }
        }