how to calculate total days from starting date to end date in c#,.net?

Question

i m making a project in which i have to calculate total number of days from starting date to ending date which are inserted in text box by user at run time in asp.net c#.i have to do this on button_click event.how to do this? i tried this-

protected void TextBox14_TextChanged(object sender, EventArgs e)
{
    // get date from first text box

    DateTime dold = Convert.ToDateTime(TextBox1.Text);
    DateTime dnew = Convert.ToDateTime(TextBox14.Text);
    TimeSpan daydif = (dnew - dold);
    double dayd = daydif.TotalDays;
    Label27.Text = dayd.ToString();
}

Or this one: http://stackoverflow.com/questions/6057377/datediff-getting-the-date-inbetween-2-dates-and-bind-it-to-a-gridview — Tanner, Aug 23 '14 at 10:15

score 1 · Answer 1 · answered Aug 23 '14 at 10:28

1

Try this:

int diffDays = (date1.Date - date2.Date).Days;

Hope this may help you!

answered Aug 23 '14 at 10:28

Krupa Patel

3,309
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23
28

score 0 · Answer 2 · answered Aug 23 '14 at 10:44

Tried with two textbox changes

private void frm_TextChanged(object sender, TextChangedEventArgs e) { calculatedays(); }

        private void to_TextChanged(object sender, TextChangedEventArgs e)
        {
            calculatedays();
        }

        public void calculatedays()
        {
            if (frm.Text == string.Empty) return;
            DateTime dt;
            DateTime.TryParse(frm.Text, out dt);

            if (frm.Text == string.Empty) return;
            DateTime dt2;
            DateTime.TryParse(frm.Text, out dt2);

            if (dt == DateTime.MinValue && dt2 == DateTime.MinValue) return;
            TimeSpan daydif = (dt2 - dt);
            double dayd = daydif.TotalDays;
            string s = dayd.ToString();
        }

how to calculate total days from starting date to end date in c#,.net?

2 Answers2