การจัดการ dateTimePicker

https://www.thaicreate.com/community/windows-form-datetimepicker.html


using System.Globalization;
using System.Threading;

            if (fromDate.Value.Date <= toDate.Value.Date)
            {
                CultureInfo _cultureEnInfo = new CultureInfo("en-US");

                DateTime dateBEgin = Convert.ToDateTime(this.fromDate.Value, _cultureEnInfo);
                DateTime dateEnd = Convert.ToDateTime(this.toDate.Value, _cultureEnInfo);
                //this.lblEng.Text = dateEng.ToString("dd MMM yyyy", _cultureEnInfo);
                this.lblEng.Text = dateBEgin.ToString("yyyy MM dd", _cultureEnInfo);
                lblEndate.Text = dateEnd.ToString("yyyy MM dd", _cultureEnInfo);

                lblXX.Text = getDate(fromDate);
                MessageBox.Show("OK");
            }
            else
            {
                MessageBox.Show("พ่องตาย");
            }

----------------------------------------------
        private string getDate(DateTimePicker d)
        {
            string xx;
            CultureInfo _cultureEnInfo = new CultureInfo("en-US");
            DateTime xDate = Convert.ToDateTime(d.Value, _cultureEnInfo);
            xx = xDate.ToString("yyyyMMdd", _cultureEnInfo);

            return xx;
        }