private void dateTimePicker1_ValueChanged(...)
{
dateTimePicker2.Value = DateTimePicker1.Value.AddDays(1);
}
private void dateTimePicker2_ValueChanged(...)
{
if(dateTimePicker2.Value < DateTimePicker1.Value)
{
MessageBox.Show("Cannot be less than previous date");
dateTimePicker2.Value = DateTimePicker1.Value.AddDays(1);
}
}
Edit: Please Check my updated solution