1.Write this coding in Button_Click
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Count "HOW Many Days between Two Year"
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DateTime start = Convert.ToDateTime(textBox1.Text.ToString());
DateTime last = Convert.ToDateTime(textBox2.Text.ToString());
TimeSpan diff = last.Subtract(start);
string days = diff.Days.ToString();
textBox3.Text = days;
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Count "HOW Many Year between Two Year"
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if (start.DayOfYear <= last.DayOfYear)
{
label1.Text = ("Total Years" + (last.Year - start.Year));
}
else
{
label1.Text = ("Total Years" + (start.Year - last.Year));
}
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Count "HOW Many Month between Two Year"
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label2.Text = (diff.Days / 30).ToString();