//日期相减 获取天数
function DateDiff(sDate1, sDate2)
{
var aDate, oDate1, oDate2, iDays
aDate = sDate1.split("-")
oDate1 = new Date(aDate[1] + '-' + aDate[2] + '-' + aDate[0]) //转换为12-18-2002格式
aDate = sDate2.split("-")
oDate2 = new Date(aDate[1] + '-' + aDate[2] + '-' + aDate[0])
iDays = parseInt(Math.abs(oDate1 - oDate2) / 1000 / 60 / 60 /24) //把相差的毫秒数转换为天数
return iDays
}
c#日期相减
System.TimeSpan timeSpan = (System.TimeSpan)(DischargeDate - AdmissionDate);
hidTreatDay.Value = timeSpan.Days.ToString();