Skip Non Business Days when Adding Days in Datetime in C#

public static DateTime AddWorkdays(DateTime originalDate, int workDays, bool transtype, bool daysSkip)

        {

            DateTime tmpDate = originalDate;

            if (transtype && !daysSkip) // Check Days Condition Checking for Saturdays and Sundays

            {

                while (workDays > 0)

                {

                    tmpDate = tmpDate.AddDays(1);

                    if (tmpDate.DayOfWeek < DayOfWeek.Saturday &&

                        tmpDate.DayOfWeek > DayOfWeek.Sunday)

                        workDays--;

                }

            }

            if (!transtype && daysSkip) // Card Days Condition Checking for only Sundays

            {

                while (workDays > 0)

                {

                    tmpDate = tmpDate.AddDays(1);

                    if (tmpDate.DayOfWeek > DayOfWeek.Sunday)

                        workDays--;

                }

            }

            if (!transtype && !daysSkip) // Card

            {

                tmpDate = AddWorkdays(tmpDate, workDays, false, true);

            }

            return tmpDate;

        }