select one calnder with two button for two text boxes how?

try This One  i have taken Two Buttons Button1 and Button 2 and One Calender (Calender1) and two text Boxes

txtFirst and txtSecond

 protected void Button2_Click(object sender, EventArgs e)
        {
            txtFirst.Text = Calender1.SelectedDate.Date.ToString();
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            txtSecond.Text = Calender1.SelectedDate.Date.ToString();
        }

Hope this will help you
:)