Application.CurrentCulture = new System.Globalization.CultureInfo("ko-KR");
FarPoint.Win.Spread.CellType.DateTimeCellType dt = new FarPoint.Win.Spread.CellType.DateTimeCellType();
dt.Calendar = new System.Globalization.KoreanCalendar();
fpSpread1.ActiveSheet.Cells[0, 0].CellType = dt;
Application.CurrentCulture = New System.Globalization.CultureInfo("ko-KR")
Dim dt As New FarPoint.Win.Spread.CellType.DateTimeCellType
dt.Calendar = New System.Globalization.KoreanCalendar
fpSpread1.ActiveSheet.Cells(0, 0).CellType = dt