C# DateTime AddDays

Description

DateTime AddDays returns a new DateTime that adds the specified number of days to the value of this instance.

Syntax

DateTime.AddDays has the following syntax.

public DateTime AddDays(
  double value
)

Parameters

DateTime.AddDays has the following parameters.

• value - A number of whole and fractional days. The value parameter can be negative or positive.

Returns

DateTime.AddDays method returns An object whose value is the sum of the date and time represented by this instance and the number of days represented by value.

Example

The following example uses the AddDays method to determine the day of the week 36 days after the current date.

using System;/*from ww w.j a v a  2s.  com*/

class Class1
{
  static void Main()
  {
    DateTime today = DateTime.Now;
    DateTime answer = today.AddDays(36);
        Console.WriteLine("Today: {0:dddd}", today);
        Console.WriteLine("36 days from today: {0:dddd}", answer);
  }
}

The code above generates the following result.