[Cystal Report] DateAdd與DateDiff函式使用記錄

語法：
DateDiff (intervalType, startDateTime, endDateTime)
DateAdd (intervalType, nIntervals, startDateTime)
Year (CurrentDate) //取得Date之西元年

例：
DateDiff ("m", CDate (Mid({?Cycle}, 1, 10)), DateAdd ("d", 1, CDate (Mid({?Cycle}, 12, 10))))


參考資料：
http://pic.dhe.ibm.com/infocenter/rsawshlp/v7r5m0/index.jsp?topic=%2Fcom.businessobjects.integration.eclipse.designer.doc%2Fhtml%2Ftopic682.html