DateTime - Age
A DateTime extension method that ages the given this.
public static void Main() { DateTime date = new DateTime(2010, 1, 25); // C# Extension Method: DateTime - Age int age = date.Age(); Console.WriteLine("Number of years (age): {0}", age); }
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using System; public static partial class Extensions { /// <summary> /// A DateTime extension method that ages the given this. /// </summary> /// <param name="this">The @this to act on.</param> /// <returns>An int.</returns> public static int Age(this DateTime @this) { if (DateTime.Today.Month < @this.Month || DateTime.Today.Month == @this.Month && DateTime.Today.Day < @this.Day) { return DateTime.Today.Year - @this.Year - 1; } return DateTime.Today.Year - @this.Year; } }