Creating Report at Runtime

Our sample projects and report templates can help you learn the basics of working with our products.
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Products ✖Reports.JS ✖Engine ✖Components ✖
Build the report in React from code by creating its structure and configuring the required components.

Building the report. Construct the report hierarchy in code, configure the required objects, add them to the template, and render the result.
import { Viewer, Stimulsoft } from 'stimulsoft-reports-js-react/viewer';

function App() {
    var report = new Stimulsoft.Report.StiReport();

    // Add data to datastore
    var dataSet = new Stimulsoft.System.Data.DataSet();
    dataSet.readJsonFile('Data/Demo.json');
    report.regData('Demo', 'Demo', dataSet);

    // Fill dictionary
    report.dictionary.synchronize();

    var page = report.pages.getByIndex(0);

    // Create HeaderBand
    var headerBand = new Stimulsoft.Report.Components.StiHeaderBand();
    headerBand.height = 0.5;
    headerBand.name = 'HeaderBand';
    page.components.add(headerBand);

    // Create text on header
    var headerText = new Stimulsoft.Report.Components.StiText(new Stimulsoft.System.Drawing.Rectangle(0, 0, 5, 0.5));
    headerText.text = 'CompanyName';
    headerText.horAlignment = Stimulsoft.Base.Drawing.StiTextHorAlignment.Center;
    headerText.name = 'HeaderText';
    headerText.brush = new Stimulsoft.Base.Drawing.StiSolidBrush(Stimulsoft.System.Drawing.Color.lightGreen);
    headerBand.components.add(headerText);

    // Create Databand
    var dataBand = new Stimulsoft.Report.Components.StiDataBand();
    dataBand.dataSourceName = 'Customers';
    dataBand.height = 0.5;
    dataBand.name = 'DataBand';
    page.components.add(dataBand);

    // Create text
    var dataText = new Stimulsoft.Report.Components.StiText(new Stimulsoft.System.Drawing.Rectangle(0, 0, 5, 0.5));
    dataText.text = '{Line}.{Customers.CompanyName}';
    dataText.name = 'DataText';
    dataBand.components.add(dataText);

    // Create FooterBand
    var footerBand = new Stimulsoft.Report.Components.StiFooterBand();
    footerBand.height = 0.5;
    footerBand.name = 'FooterBand';
    page.components.add(footerBand);

    // Create text on footer
    var footerText = new Stimulsoft.Report.Components.StiText(new Stimulsoft.System.Drawing.Rectangle(0, 0, 5, 0.5));
    footerText.text = 'Count: {Count()}';
    footerText.horAlignment = Stimulsoft.Base.Drawing.StiTextHorAlignment.Right;
    footerText.name = 'FooterText';
    footerText.brush = new Stimulsoft.Base.Drawing.StiSolidBrush(Stimulsoft.System.Drawing.Color.lightGreen);
    footerBand.components.add(footerText);

    return <Viewer report={report} />;
}

export default App;

Bands such as StiHeaderBand, StiDataBand and StiFooterBand are added to a page, and StiText components are placed on them; the data band is bound through dataSourceName and expressions like {Customers.CompanyName}.
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