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[edit] Using the DateTime.AddMonths Method

To use the DateTime.AddMonths method you will not specify a timespan. You must specify the amount of month you want to add. It accepts an int value so it can NOT calculate partial Months. Remember, a timespan must NOT be used with DateTime.AddMonths.

[edit] Syntax

DateTime.AddMonths(<int>)

[edit] Example 1:

using System;
class Program
{
    static void Main()
    {
        DateTime today = DateTime.Now;
 
        Console.WriteLine("today: " + today.ToString());
        today = today.AddMonths(3);
        Console.WriteLine("New Date: " + today.ToString());
        Console.Read();
    }
}

Output:

today: 4/5/2007 8:28:51 PM
New Date: 7/5/2007 8:28:51 PM

As you can see the AddMonths method simply added 3 months to the current date.

<-- DateTime Tutorial