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Editorial Team
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Asked: 2026-06-18T15:22:38+00:00

private void button1_Click(object sender, EventArgs e) { DateTime dob = new DateTime(); textBox1.Text =

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   private void button1_Click(object sender, EventArgs e)
    {
        DateTime dob = new DateTime();
        textBox1.Text = dob.ToString();
        int age;
        age = Convert.ToInt32(textbox2.Text);
        age = DateTime.Now.Year - dob.Year;
        if (DateTime.Now.DayOfYear < dob.DayOfYear)
            age = age - 1;

    }

How to claculate the age from dob.This is my form1.cs.any ideas please

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1 Answer

  1. Editorial Team

    You can calculate it using TimeSpan like:

    DateTime dob = .....
DateTime Today = DateTime.Now;
TimeSpan ts = Today - dob;
DateTime Age = DateTime.MinValue + ts;


// note: MinValue is 1/1/1 so we have to subtract...
int Years = Age.Year - 1;
int Months = Age.Month - 1;
int Days = Age.Day - 1;

    Source: http://forums.asp.net/t/1289294.aspx/1

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