Question about date calculation

风中草 · Post time: 2020-1-13 11:00:02

Know the dates date1 and date2, calculate the difference between n days, and then push n days forward from date1, how much is the day? How can I do that?

3193708 · Post time: 2020-1-16 14:09:01

dateadd and datediff functions

风中草 · Post time: 2020-1-16 14:36:01

Can you write it in detail? ?

zackzell · Post time: 2020-1-16 15:00:01

date1.AddDays (n);
Just

风中草 · Post time: 2020-1-16 16:18:01

But how to calculate n?

zackzell · Post time: 2020-1-16 16:45:01

date1.AddDays (-n);
Just

风中草 · Post time: 2020-1-16 17:27:01

I mean I don't know how to calculate
How many days are difference between date1 and date2

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