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//the initialization GridStyleInfo style = this.gridControl1[2,2]; style.CellValueType = typeof(DateTime); style.Format = "hh:mm tt"; style.CellValue = DateTime.Now; //handle CurrentCellValidating to enforce teh format to your needs. private void gridControl1_CurrentCellValidating(object sender, System.ComponentModel.CancelEventArgs e) { GridCurrentCell cc = this.gridControl1.CurrentCell; GridStyleInfo style = this.gridControl1[cc.RowIndex, cc.ColIndex]; if(style.CellValueType == typeof(DateTime) && style.Format.Length > 0) { string[] validFormats = new string[]{style.Format, "h:mm tt", "h:m tt", "hh:m tt"}; string s = cc.Renderer.ControlText; try { DateTime dt = DateTime.ParseExact(s, validFormats, null, DateTimeStyles.AllowInnerWhite|DateTimeStyles.AllowLeadingWhite |DateTimeStyles.AllowTrailingWhite|DateTimeStyles.AllowWhiteSpaces); string s1 = dt.ToString(style.Format); if(s1 != s) { cc.Renderer.Control.Text = s1; } } catch { cc.ErrorMessage = "Invalid Time"; e.Cancel = true; } } }In 1.6, there is actually a Control celltype you can try to use to put a DateTimePicker in a cell. Below is some code. But it really is only useful for a static type control that does not change sizes an donly lives in a single cell. If you want a more versatile DateTimePicker in a cell, then you should use the technique illustrated in the Syncfusion\Essential Suite\Grid\Samples\CellTypes\CalendarCells sample in 1.6. It creates a MonthCalender cell that can be shared and sized among different grid cells bases on the Windows Forms DateCalendar control.
DateTimePicker dtp = new DateTimePicker(); dtp.AllowDrop = false; dtp.ShowUpDown = true; dtp.Format = DateTimePickerFormat.Custom; dtp.CustomFormat = "hh:mm tt"; style = this.gridControl1[4,2]; style.CellValueType = typeof(DateTime); style.Format = "hh:mm tt"; style.CellValue = DateTime.Now; style.CellType = "Control"; style.Control = dtp;