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Sub-reports render blank results.

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Craig asked on 28 Aug 2013, 05:30 PM

I'm trying to build a report programmatically due to the complexity and dynamic nature of the requirement I am faced with.
The best way I can think is to have one 'shell' report that composes many different child reports.

However when I just try to do a light version of the above with a simple (not data-bound) child report that just prints 'hello world!' I get nothing rendered out. When I run the Child report on it's own I receive the expected results.

Below is my code for the shell report

private Telerik.Reporting.Report Build()

{

Telerik.Reporting.Report mainReport = new Telerik.Reporting.Report();

Telerik.Reporting.DetailSection detail = new Telerik.Reporting.DetailSection();

mainReport.Items.Add(detail);

Unit unitX = Unit.Inch(0.1);

Unit unitY = Unit.Inch(0.1);

SizeU size = new SizeU(Unit.Inch(1), Unit.Inch(0.5));

List<Telerik.Reporting.Report> childrenReports = new List<Telerik.Reporting.Report>();

ExecutiveSummarySection executiveSummary = new ExecutiveSummarySection();

childrenReports.Add(executiveSummary);

foreach (Telerik.Reporting.Report child in childrenReports)

{

Telerik.Reporting.SubReport sub = new Telerik.Reporting.SubReport

{

Location = new PointU(unitX, unitY),

Size = size

};

unitY = unitY.Add(Unit.Inch(1));

Telerik.Reporting.InstanceReportSource childInstanceReportSource = new InstanceReportSource();

childInstanceReportSource.ReportDocument = child;

sub.ReportSource = childInstanceReportSource;

detail.Items.Add(sub);

}

detail.Height = Unit.Inch(childrenReports.Count + 2D);

return mainReport;

//return executiveSummary;

}

and the 'ExecutiveSumarySection' report:

using AGP.Data.Repositories;

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using Telerik.Reporting;

using Telerik.Reporting.Drawing;

namespace AGP.Reports

{

public class ExecutiveSummarySection : Report

{

public ExecutiveSummarySection()

{

InitializeComponent();

//DataBindControls();

}

private void DataBindControls()

{

//going to data bind later to EF5 backed repository

//ModelContextUnitOfWork uow = new ModelContextUnitOfWork();

//DocumentEFRepository docRepo = new DocumentEFRepository(uow);

//this.DataSource = docRepo.All.ToList();

}

#region Component Designer generated code

/// <summary>

/// Required method for telerik Reporting designer support - do not modify

/// the contents of this method with the code editor.

/// </summary>

private void InitializeComponent()

{

Telerik.Reporting.Drawing.StyleRule styleRule1 = new Telerik.Reporting.Drawing.StyleRule();

this.pageHeaderSection1 = new Telerik.Reporting.PageHeaderSection();

this.detail = new Telerik.Reporting.DetailSection();

this.pageFooterSection1 = new Telerik.Reporting.PageFooterSection();

this.panel1 = new Telerik.Reporting.Panel();

this.textBox1 = new Telerik.Reporting.TextBox();

((System.ComponentModel.ISupportInitialize)(this)).BeginInit();

//

// pageHeaderSection1

//

this.pageHeaderSection1.Height = Telerik.Reporting.Drawing.Unit.Inch(2D);

this.pageHeaderSection1.Name = "pageHeaderSection1";

//

// detail

//

this.detail.Height = Telerik.Reporting.Drawing.Unit.Inch(2.1000001430511475D);

this.detail.Items.AddRange(new Telerik.Reporting.ReportItemBase[] {

this.textBox1});

this.detail.Name = "detail";

//

// pageFooterSection1

//

this.pageFooterSection1.Height = Telerik.Reporting.Drawing.Unit.Inch(2D);

this.pageFooterSection1.Name = "pageFooterSection1";

//

// panel1

//

this.panel1.Name = "panel1";

this.panel1.Size = new Telerik.Reporting.Drawing.SizeU(Telerik.Reporting.Drawing.Unit.Inch(2D), Telerik.Reporting.Drawing.Unit.Inch(1D));

//

// textBox1

//

this.textBox1.Location = new Telerik.Reporting.Drawing.PointU(Telerik.Reporting.Drawing.Unit.Inch(0D), Telerik.Reporting.Drawing.Unit.Inch(0D));

this.textBox1.Name = "textBox1";

this.textBox1.Size = new

Telerik.Reporting.Drawing.SizeU(Telerik.Reporting.Drawing.Unit.Inch(1.2000001668930054D), Telerik.Reporting.Drawing.Unit.Inch(0.40000024437904358D));

this.textBox1.Value = "Hello World!";

//

// ExecutiveSummarySection

//

this.Items.AddRange(new Telerik.Reporting.ReportItemBase[] {

this.pageHeaderSection1,

this.detail,

this.pageFooterSection1});

this.Name = "Report1";

this.PageSettings.Margins = new

Telerik.Reporting.Drawing.MarginsU(Telerik.Reporting.Drawing.Unit.Inch(1D), Telerik.Reporting.Drawing.Unit.Inch(1D), Telerik.Reporting.Drawing.Unit.Inch(1D), Telerik.Reporting.Drawing.Unit.Inch(1D));

this.PageSettings.PaperKind = System.Drawing.Printing.PaperKind.Letter;

this.Style.BackgroundColor = System.Drawing.Color.White;

styleRule1.Selectors.AddRange(new Telerik.Reporting.Drawing.ISelector[] {

new Telerik.Reporting.Drawing.TypeSelector(typeof(Telerik.Reporting.TextItemBase)),

new Telerik.Reporting.Drawing.TypeSelector(typeof(Telerik.Reporting.HtmlTextBox))});

styleRule1.Style.Padding.Left = Telerik.Reporting.Drawing.Unit.Point(2D);

styleRule1.Style.Padding.Right = Telerik.Reporting.Drawing.Unit.Point(2D);

this.StyleSheet.AddRange(new Telerik.Reporting.Drawing.StyleRule[] {

styleRule1});

this.Width = Telerik.Reporting.Drawing.Unit.Inch(6D);

((System.ComponentModel.ISupportInitialize)(this)).EndInit();

}

#endregion

private Telerik.Reporting.PageHeaderSection pageHeaderSection1;

private Telerik.Reporting.DetailSection detail;

private Panel panel1;

private TextBox textBox1;

private Telerik.Reporting.PageFooterSection pageFooterSection1;

}

Not totally sure what I'm doing wrong here but I was following many similar examples provided in the forums by Telerik Reporting team on doing this type of report.

Sub-reports render blank results.

1 Answer, 1 is accepted