private void AddTimePeriod_7()
{
FormatConditionCollection conds = GetFormatCondition("I13:K14", Color.MediumBlue);
int idx = conds.AddCondition(FormatConditionType.TimePeriod);
FormatCondition cond = conds[idx];
cond.Style.BackgroundColor = Color.Pink;
cond.Style.Pattern = BackgroundType.Solid;
cond.TimePeriod = TimePeriodType.ThisMonth;
Cell c = _sheet.Cells["I13"];
Style style = c.GetStyle();
style.Number = 30;
c.SetStyle(style);
c.PutValue(DateTime.Parse("2008/07/5"));
c = _sheet.Cells["K14"];
c.PutValue(DateTime.Parse("2008/05/30"));
style = c.GetStyle();
style.Number = 30;
c.SetStyle(style);
c = _sheet.Cells["I14"];
c.PutValue("ThisMonth");
}