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How to get last month date from C# code?

  1. DateTime.Now.PreviousMonth;

  2. DateTime.Now.CurrentMonth - 1;

  3. DateTime.Now.AddMonths(-1);

  4. DateTime.Now.AddMonths(1);
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Explanation

The AddMonths method is the correct way to perform date arithmetic in C#. Using a negative parameter (-1) subtracts months from the current date. DateTime.Now.AddMonths(1) would give next month, and there are no PreviousMonth or CurrentMonth properties on DateTime.

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