| private SubreportDataRetrievalTriggerEvent ( ) : void | ||
| return | void | |
override internal void Run(IPresent ip, Row row)
{
Report r = ip.Report();
base.Run(ip, row);
// need to save the owner report and nest in this defintion
ReportDefn saveReport = r.ReportDefinition;
NeedPassword np = r.GetDataSourceReferencePassword; // get current password
r.SetReportDefinition(_ReportDefn);
r.Folder = _ReportDefn.ParseFolder; // folder needs to get set since the id of the report is used by the cache
r.GetDataSourceReferencePassword = np;
DataSourcesDefn saveDS = r.ParentConnections;
if (this.MergeTransactions)
{
r.ParentConnections = saveReport.DataSourcesDefn;
}
else
{
r.ParentConnections = null;
}
r.SubreportDataRetrievalTriggerEvent();
if (_Parameters == null)
{ // When no parameters we only retrieve data once
if (r.Cache.Get(this, "report") == null)
{
r.RunGetData(null);
if (!r.IsSubreportDataRetrievalDefined) // if use has defined subreportdataretrieval they might
{
r.Cache.Add(this, "report", this); // set the data; so we don't cache
}
}
}
else
{
SetSubreportParameters(r, row);
r.RunGetData(null);
}
ip.Subreport(this, row);
r.SetReportDefinition(saveReport); // restore the current report
r.ParentConnections = saveDS; // restore the data connnections
}
override internal void RunPage(Pages pgs, Row row)
{
Report r = pgs.Report;
if (IsHidden(r, row))
{
return;
}
base.RunPage(pgs, row);
// need to save the owner report and nest in this defintion
ReportDefn saveReport = r.ReportDefinition;
NeedPassword np = r.GetDataSourceReferencePassword; // get current password
r.SetReportDefinition(_ReportDefn);
r.Folder = _ReportDefn.ParseFolder; // folder needs to get set since the id of the report is used by the cache
r.GetDataSourceReferencePassword = np;
DataSourcesDefn saveDS = r.ParentConnections;
if (this.MergeTransactions)
{
r.ParentConnections = saveReport.DataSourcesDefn;
}
else
{
r.ParentConnections = null;
}
r.SubreportDataRetrievalTriggerEvent();
bool bRows = true;
if (_Parameters == null)
{ // When no parameters we only retrieve data once
SubreportWorkClass wc = r.Cache.Get(this, "report") as SubreportWorkClass;
if (wc == null)
{ // run report first time;
bRows = r.RunGetData(null);
if (!r.IsSubreportDataRetrievalDefined) // if use has defined subreportdataretrieval they might set data
{
r.Cache.Add(this, "report", new SubreportWorkClass(bRows)); // so we can't cache
}
}
else
{
bRows = wc.bRows;
}
}
else
{
SetSubreportParameters(r, row); // apply the parameters
bRows = r.RunGetData(null);
}
SetPageLeft(r); // Set the Left attribute since this will be the margin for this report
SetPagePositionBegin(pgs);
float yOffset;
if (bRows) // Only run subreport if have a row in some Dataset
{
//
// Run the subreport -- this is the major effort in creating the display objects in the page
//
r.ReportDefinition.Body.RunPage(pgs); // create a the subreport items
yOffset = pgs.CurrentPage.YOffset;
}
else
{ // Handle NoRows message
string msg;
if (this.NoRows != null)
{
msg = this.NoRows.EvaluateString(pgs.Report, null);
}
else
{
msg = null;
}
if (msg != null)
{
PageText pt = new PageText(msg);
SetPagePositionAndStyle(pgs.Report, pt, null);
if (pt.SI.BackgroundImage != null)
{
pt.SI.BackgroundImage.H = pt.H; // and in the background image
}
pgs.CurrentPage.AddObject(pt);
yOffset = pt.Y + pt.H;
}
else
{
yOffset = pgs.CurrentPage.YOffset;
}
}
r.SetReportDefinition(saveReport); // restore the current report
r.ParentConnections = saveDS; // restore the data connnections
SetPagePositionEnd(pgs, yOffset);
}
