C#取两个时间的时间差并去除周末

protected

void

Page_Load(

object

sender,
EventArgse)

{

DateTime
start=Convert.ToDateTime(

"2012-12-10"

);

DateTime
end=Convert.ToDateTime(

"2012-12-18"

);

TimeSpan
span=end-start;

//int
totleDay=span.Days;

//DateTime
spanNu=DateTime.Now.Subtract(span);

int

AllDays=Convert.ToInt32(span.TotalDays)+1;

//差距的所有天数

int

totleWeek
=AllDays/7;

//差别多少周

int

yuDay
=AllDays%7;

//除了整个星期的天数

int

lastDay
=0;

if

(yuDay
==0)

//正好整个周

{

lastDay
=AllDays-(totleWeek*2);

}

else

{

int

weekDay
=0;

int

endWeekDay
=0;

//多余的天数有几天是周六或者周日

switch

(start.DayOfWeek)

{

case

DayOfWeek.Monday:

weekDay
=1;

break

;

case

DayOfWeek.Tuesday:

weekDay
=2;

break

;

case

DayOfWeek.Wednesday:

weekDay
=3;

break

;

case

DayOfWeek.Thursday:

weekDay
=4;

break

;

case

DayOfWeek.Friday:

weekDay
=5;

break

;

case

DayOfWeek.Saturday:

weekDay
=6;

break

;

case

DayOfWeek.Sunday:

weekDay
=7;

break

;

}

if

((weekDay
==6&&yuDay>=2)||(weekDay==7&&yuDay>=1)||(weekDay==5&&yuDay>=3)||(weekDay==4&&yuDay>=4)||(weekDay==3&&yuDay>=5)||(weekDay==2&&yuDay>=6)||(weekDay==1&&yuDay>=7))

{

endWeekDay
=2;

}

if

((weekDay
==6&&yuDay<1)||(weekDay==7&&yuDay<5)||(weekDay==5&&yuDay<2)||(weekDay==4&&yuDay<3)||(weekDay==3&&yuDay<4)||(weekDay==2&&yuDay<5)||(weekDay==1&&yuDay<6)){

endWeekDay
=1;

}

lastDay
=AllDays-(totleWeek*2)-endWeekDay;

}

lblTime.Text
=lastDay.ToString();

}