using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace IndianHealthService.ClinicalScheduling { public partial class DMassSlotDelete : Form { public DMassSlotDelete() { InitializeComponent(); } public DateTime StartDate { get { return this.dtStart.Value; } } public DateTime EndDate { get { return this.dtEnd.Value; } } private void btnOK_Click(object sender, EventArgs e) { if (EndDate < StartDate) { errorProvider.SetError(dtEnd, "End Date cannot be before Start Date"); this.DialogResult = DialogResult.None; return; } this.DialogResult = DialogResult.OK; } } }