private void txtDay_TextChanged(object sender, EventArgs e)
{
try
{
int day = int.Parse(txtDay.Text);
int txtmonth = int.Parse(txtMonth.Text);
int txtyear = int.Parse(txtYear.Text);
int maxDay = DateTime.DaysInMonth(txtyear, 2);
IEnumerable <int> month = TimekeepingBO.Month(day);
txtMonth.Items.Clear();
txtMonth.Text = txtMonth.Text;
foreach (var item in month)
{
txtMonth.Items.Add(item);
}
if (maxDay < int.Parse(txtDay.Text))
{
txtMonth.Items.Remove(2);
}
}
catch { }
}
