private void LoadSubBand(XmlNode node, Base parent)
{
ChildBand child = ComponentsFactory.CreateChildBand(parent as BandBase);
LoadBand(node, child);
LoadObjects(node, child);
}
/// <summary>
/// Creates a ChildBand instance in the specified BandBase.
/// </summary>
/// <param name="parent">The BandBase instance.</param>
/// <returns>The ChildBand instance.</returns>
public static ChildBand CreateChildBand(BandBase parent)
{
ChildBand child = new ChildBand();
parent.AddChild(child);
child.CreateUniqueName();
return(child);
}
private void ShowBand(BandBase band, bool getData)
{
if (band == null)
{
return;
}
BandBase saveCurBand = curBand;
curBand = band;
try
{
// do we need to keep child?
ChildBand child = band.Child;
bool showChild = child != null && !(band is DataBand && child.CompleteToNRows > 0) && !child.FillUnusedSpace &&
!(band is DataBand && child.PrintIfDatabandEmpty);
if (showChild && band.KeepChild)
{
StartKeep(band);
}
if (outputBand != null)
{
AddToOutputBand(band, getData);
}
else
{
ShowBandToPreparedPages(band, getData);
}
ProcessTotals(band);
if (band.Visible)
{
RenderOuterSubreports(band);
}
// show child band. Skip if child is used to fill empty space: it was processed already
if (showChild)
{
ShowBand(child);
if (band.KeepChild)
{
EndKeep();
}
}
}
finally
{
curBand = saveCurBand;
}
}
private void btnUp_Click(object sender, EventArgs e)
{
BandBase band = tvBands.SelectedNode.Tag as BandBase;
if (band.Parent == Page || band is DataBand)
{
band.ZOrder--;
}
else if (band is ChildBand && band.Parent is ChildBand)
{
ChildBand parent = band.Parent as ChildBand;
BandBase newParent = parent.Parent as BandBase;
parent.Parent = null;
band.Parent = newParent;
parent.Child = band.Child;
band.Child = parent;
}
else if (band is GroupHeaderBand && band.Parent is GroupHeaderBand)
{
GroupHeaderBand group = band as GroupHeaderBand;
GroupHeaderBand parent = band.Parent as GroupHeaderBand;
Base newParent = parent.Parent;
BandBase child = null;
if (group.Data != null)
{
child = group.Data;
}
else
{
child = group.NestedGroup;
}
int zOrder = parent.ZOrder;
parent.Parent = null;
group.Parent = newParent;
group.ZOrder = zOrder;
child.Parent = parent;
parent.Parent = group;
}
Change();
}
private void btnDown_Click(object sender, EventArgs e)
{
BandBase band = tvBands.SelectedNode.Tag as BandBase;
if (band is DataBand)
{
band.ZOrder += 2;
}
else if (band is ChildBand && band.Child != null)
{
BandBase parent = band.Parent as BandBase;
ChildBand child = band.Child;
band.Parent = null;
child.Parent = parent;
band.Child = child.Child;
band.Parent = child;
}
else if (band is GroupHeaderBand && (band as GroupHeaderBand).NestedGroup != null)
{
GroupHeaderBand group = band as GroupHeaderBand;
Base parent = band.Parent;
GroupHeaderBand child = group.NestedGroup;
int zOrder = group.ZOrder;
group.Parent = null;
child.Parent = parent;
child.ZOrder = zOrder;
if (child.Data != null)
{
group.Data = child.Data;
}
else
{
group.NestedGroup = child.NestedGroup;
}
group.Parent = child;
}
Change();
}
private void RunDataBand(DataBand dataBand, int rowCount, bool keepFirstRow, bool keepLastRow)
{
if (dataBand.IsHierarchical)
{
ShowHierarchy(dataBand, rowCount);
return;
}
bool isFirstRow = true;
bool someRowsPrinted = false;
dataBand.RowNo = 0;
dataBand.IsFirstRow = false;
dataBand.IsLastRow = false;
// check if we have only one data row that should be kept with both header and footer
bool oneRow = rowCount == 1 && keepFirstRow && keepLastRow;
// cycle through records
for (int i = 0; i < rowCount; i++)
{
bool isLastRow = i == rowCount - 1;
if (!dataBand.IsDetailEmpty())
{
dataBand.RowNo++;
dataBand.AbsRowNo++;
dataBand.IsFirstRow = isFirstRow;
dataBand.IsLastRow = isLastRow;
// keep header
if (isFirstRow && keepFirstRow)
{
StartKeep(dataBand);
}
// keep together
if (isFirstRow && dataBand.KeepTogether)
{
StartKeep(dataBand);
}
// keep detail
if (dataBand.KeepDetail)
{
StartKeep(dataBand);
}
// show header
if (isFirstRow)
{
ShowDataHeader(dataBand);
}
// keep footer
if (isLastRow && keepLastRow && dataBand.IsDeepmostDataBand)
{
StartKeep(dataBand);
}
// start block event
if (isFirstRow)
{
OnStateChanged(dataBand, EngineState.BlockStarted);
}
// show band
ShowDataBand(dataBand, rowCount);
// end keep header
if (isFirstRow && keepFirstRow && !oneRow)
{
EndKeep();
}
// end keep footer
if (isLastRow && keepLastRow && dataBand.IsDeepmostDataBand)
{
CheckKeepFooter(dataBand);
}
// show sub-bands
RunBands(dataBand.Bands);
// up the outline
OutlineUp(dataBand);
// end keep detail
if (dataBand.KeepDetail)
{
EndKeep();
}
isFirstRow = false;
someRowsPrinted = true;
if (dataBand.Columns.Count > 1)
{
break;
}
}
dataBand.DataSource.Next();
if (Report.Aborted)
{
break;
}
}
// complete upto N rows
ChildBand child = dataBand.Child;
if (child != null && child.CompleteToNRows > rowCount)
{
for (int i = 0; i < child.CompleteToNRows - rowCount; i++)
{
child.RowNo = rowCount + i + 1;
child.AbsRowNo = rowCount + i + 1;
ShowBand(child);
}
}
// print child if databand is empty
if (child != null && child.PrintIfDatabandEmpty && dataBand.IsDatasourceEmpty)
{
ShowBand(child);
}
if (someRowsPrinted)
{
// finish block event
OnStateChanged(dataBand, EngineState.BlockFinished);
// show footer
ShowDataFooter(dataBand);
// end KeepTogether
if (dataBand.KeepTogether)
{
EndKeep();
}
// end KeepLastRow
if (keepLastRow)
{
EndKeep();
}
}
}
static Report GetSubreportReport()
{
Report report = new Report();
// load nwind database
DataSet dataSet = new DataSet();
dataSet.ReadXml(inFolder + "\\nwind.xml");
// register all data tables and relations
report.RegisterData(dataSet);
// enable the "Products" and "Suppliers" tables to use it in the report
report.GetDataSource("Products").Enabled = true;
report.GetDataSource("Suppliers").Enabled = true;
// add report page
ReportPage page = new ReportPage();
report.Pages.Add(page);
// always give names to objects you create. You can use CreateUniqueName method to do this;
// call it after the object is added to a report.
page.CreateUniqueName();
// create title band
page.ReportTitle = new ReportTitleBand();
// native FastReport unit is screen pixel, use conversion
page.ReportTitle.Height = Units.Centimeters * 1;
page.ReportTitle.CreateUniqueName();
// create two title text objects
TextObject titleText1 = new TextObject();
titleText1.Parent = page.ReportTitle;
titleText1.CreateUniqueName();
titleText1.Bounds = new RectangleF(0, 0, Units.Centimeters * 8, Units.Centimeters * 1);
titleText1.Font = new Font("Arial", 14, FontStyle.Bold);
titleText1.Text = "Products";
titleText1.HorzAlign = HorzAlign.Center;
TextObject titleText2 = new TextObject();
titleText2.Parent = page.ReportTitle;
titleText2.CreateUniqueName();
titleText2.Bounds = new RectangleF(Units.Centimeters * 9, 0, Units.Centimeters * 8, Units.Centimeters * 1);
titleText2.Font = new Font("Arial", 14, FontStyle.Bold);
titleText2.Text = "Suppliers";
titleText2.HorzAlign = HorzAlign.Center;
// create report title's child band that will contain subreports
ChildBand childBand = new ChildBand();
page.ReportTitle.Child = childBand;
childBand.CreateUniqueName();
childBand.Height = Units.Centimeters * 0.5f;
// create the first subreport
SubreportObject subreport1 = new SubreportObject();
subreport1.Parent = childBand;
subreport1.CreateUniqueName();
subreport1.Bounds = new RectangleF(0, 0, Units.Centimeters * 8, Units.Centimeters * 0.5f);
// create subreport's page
ReportPage subreportPage1 = new ReportPage();
report.Pages.Add(subreportPage1);
// connect subreport to page
subreport1.ReportPage = subreportPage1;
// create report on the subreport's page
DataBand dataBand = new DataBand();
subreportPage1.Bands.Add(dataBand);
dataBand.CreateUniqueName();
dataBand.DataSource = report.GetDataSource("Products");
dataBand.Height = Units.Centimeters * 0.5f;
TextObject productText = new TextObject();
productText.Parent = dataBand;
productText.CreateUniqueName();
productText.Bounds = new RectangleF(0, 0, Units.Centimeters * 8, Units.Centimeters * 0.5f);
productText.Text = "[Products.ProductName]";
// create the second subreport
SubreportObject subreport2 = new SubreportObject();
subreport2.Parent = childBand;
subreport2.CreateUniqueName();
subreport2.Bounds = new RectangleF(Units.Centimeters * 9, 0, Units.Centimeters * 8, Units.Centimeters * 0.5f);
// create subreport's page
ReportPage subreportPage2 = new ReportPage();
report.Pages.Add(subreportPage2);
// connect subreport to page
subreport2.ReportPage = subreportPage2;
// create report on the subreport's page
DataBand dataBand2 = new DataBand();
subreportPage2.Bands.Add(dataBand2);
dataBand2.CreateUniqueName();
dataBand2.DataSource = report.GetDataSource("Suppliers");
dataBand2.Height = Units.Centimeters * 0.5f;
// create supplier name text
TextObject supplierText = new TextObject();
supplierText.Parent = dataBand2;
supplierText.CreateUniqueName();
supplierText.Bounds = new RectangleF(0, 0, Units.Centimeters * 8, Units.Centimeters * 0.5f);
supplierText.Text = "[Suppliers.CompanyName]";
return(report);
}