internal ExcelPivotTableFieldDateGroup SetDateGroup(eDateGroupBy GroupBy, DateTime StartDate, DateTime EndDate)
{
ExcelPivotTableFieldDateGroup group;
group = new ExcelPivotTableFieldDateGroup(NameSpaceManager, _cacheFieldHelper.TopNode);
_cacheFieldHelper.SetXmlNodeBool("d:sharedItems/@containsDate", true);
_cacheFieldHelper.SetXmlNodeBool("d:sharedItems/@containsNonDate", false);
_cacheFieldHelper.SetXmlNodeBool("d:sharedItems/@containsSemiMixedTypes", false);
group.TopNode.InnerXml += string.Format("<fieldGroup base=\"{0}\"><rangePr groupBy=\"{1}\" /><groupItems /></fieldGroup>", BaseIndex, GroupBy.ToString().ToLower());
if (StartDate.Year < 1900)
{
_cacheFieldHelper.SetXmlNodeString("d:fieldGroup/d:rangePr/@startDate", "1900-01-01T00:00:00");
}
else
{
_cacheFieldHelper.SetXmlNodeString("d:fieldGroup/d:rangePr/@startDate", StartDate.ToString("s", CultureInfo.InvariantCulture));
_cacheFieldHelper.SetXmlNodeString("d:fieldGroup/d:rangePr/@autoStart", "0");
}
if (EndDate==DateTime.MaxValue)
{
_cacheFieldHelper.SetXmlNodeString("d:fieldGroup/d:rangePr/@endDate", "9999-12-31T00:00:00");
}
else
{
_cacheFieldHelper.SetXmlNodeString("d:fieldGroup/d:rangePr/@endDate", EndDate.ToString("s", CultureInfo.InvariantCulture));
_cacheFieldHelper.SetXmlNodeString("d:fieldGroup/d:rangePr/@autoEnd", "0");
}
int items = AddDateGroupItems(group, GroupBy, StartDate, EndDate);
AddFieldItems(items);
_grouping = group;
return group;
}