Calculate Age in Years using C# or VB.NET

I was recently checking out some scripts to calculate the Age of a person in years and came across a simple piece of code shared by NeilPric. Here’s the code for your reference:

C#

static void Main(string[] args)
{
    DateTime dob = DateTime.Parse("04/24/1979");

    int ageInYrs = DateTime.Now.Year - dob.Year;
    if (DateTime.Now.Month < dob.Month
         (DateTime.Now.Month == dob.Month &&
          DateTime.Now.Day < dob.Day))
        ageInYrs--;
    Console.WriteLine(ageInYrs);
    Console.ReadLine();
}

VB.NET

Sub Main(ByVal args() As String)
   Dim dob As Date = Date.Parse("04/24/1979")

   Dim ageInYrs As Integer = Date.Now.Year - dob.Year
   If Date.Now.Month < dob.Month _
    OrElse (Date.Now.Month = dob.Month AndAlso Date.Now.Day < dob.Day) Then
            ageInYrs -= 1
   End If
   Console.WriteLine(ageInYrs)
   Console.ReadLine()
End Sub

OUTPUT

30

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About The Author

Suprotim Agarwal, ASP.NET Architecture MVP works as an Architect Consultant and provides consultancy on how to design and develop Web applications.

Suprotim is also the founder and primary contributor to DevCurry, DotNetCurry and SQLServerCurry. He has also written an EBook 51 Recipes using jQuery with ASP.NET Controls.

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