Document Generation from Templates in C#

Wordize for .NET is a professional solution for automated reporting and programmatic document generation. The ReportBuilder class provides C# developers with the capability to create reports using templates and LINQ syntax, which helps accelerate business intelligence processes, implement dynamic content in automated document workflows.

Key Features:

Programmatic report generation - the ReportBuilder class provides the BuildReport() method for creating documents based on templates
Flexible data source integration - support for JSON, XML, CSV and programmatic objects (custom classes, object collections)
LINQ expressions application for filtering, sorting and grouping data when generating documents
Generation parameter configuration - the ReportBuilderOptions class manages available data types, missing field handling, empty paragraph removal and other report creation parameters
Export to graphics format - the BuildReportToImages() method returns report pages as an array of images
Fluent API support for launching report creation operations through ReportBuilderContext and method chaining, adding clarity to C# code

Test the capabilities of programmatic report generation in the interactive online demo presented on this page. To do this, upload a document template, data file (JSON, XML or CSV), run the operation and download the generated document for verification. The provided C# code snippet is fully ready for use in your .NET project.

Run code

Upload document template

Upload data file

Data source name

Select output format from the list

 
				
				
				
		
using Wordize.Reporting;

var dataSource = new JsonDataSource("data.json");
ReportBuilder.BuildReport("Input.docx", "Output.pdf", dataSource, "");
										using Wordize.Reporting;

var dataSource = new JsonDataSource("{{input2}}");
ReportBuilder.BuildReport("{{input1}}", "{{output}}", dataSource, "{{text1}}");
										using Wordize.Reporting;
using Wordize.Saving;

var dataSource = new JsonDataSource("{{input2}}");
var imageStreams = ReportBuilder.BuildReportToImages("{{input1}}",
    new ImageSaveOptions(SaveFormat.{{saveFormat}}), new[] { dataSource }, new[] { "{{text1}}" });

foreach (var (stream, page) in imageStreams.Select((s, i) => (s, i)))
{
    using var _ = stream;
    stream.Position = 0;

    using var file = File.Create($"Output_{page + 1}.{{outputExt}}");
    stream.CopyTo(file);
}

					
using Wordize.Reporting;

var dataSource = new XmlDataSource("data.json");
ReportBuilder.BuildReport("Input.docx", "Output.pdf", dataSource, "");
										using Wordize.Reporting;

var dataSource = new XmlDataSource("{{input2}}");
ReportBuilder.BuildReport("{{input1}}", "{{output}}", dataSource, "{{text1}}");
										using Wordize.Reporting;
using Wordize.Saving;

var dataSource = new XmlDataSource("{{input2}}");
var imageStreams = ReportBuilder.BuildReportToImages("{{input1}}",
    new ImageSaveOptions(SaveFormat.{{saveFormat}}), new[] { dataSource }, new[] { "{{text1}}" });

foreach (var (stream, page) in imageStreams.Select((s, i) => (s, i)))
{
    using var _ = stream;
    stream.Position = 0;

    using var file = File.Create($"Output_{page + 1}.{{outputExt}}");
    stream.CopyTo(file);
}

					
using Wordize.Reporting;

var dataSource = new CsvDataSource("data.json", new CsvDataLoadOptions() { HasHeaders = true });
ReportBuilder.BuildReport("Input.docx", "Output.pdf", dataSource, "");
										using Wordize.Reporting;

var dataSource = new CsvDataSource("{{input2}}", new CsvDataLoadOptions() { HasHeaders = true });
ReportBuilder.BuildReport("{{input1}}", "{{output}}", dataSource, "{{text1}}");
										using Wordize.Reporting;
using Wordize.Saving;

var dataSource = new CsvDataSource("{{input2}}", new CsvDataLoadOptions() { HasHeaders = true });
var imageStreams = ReportBuilder.BuildReportToImages("{{input1}}",
    new ImageSaveOptions(SaveFormat.{{saveFormat}}), new[] { dataSource }, new[] { "{{text1}}" });

foreach (var (stream, page) in imageStreams.Select((s, i) => (s, i)))
{
    using var _ = stream;
    stream.Position = 0;

    using var file = File.Create($"Output_{page + 1}.{{outputExt}}");
    stream.CopyTo(file);
}

					

                    Run code
			

How to create report in C#

Connect the Wordize SDK to your .NET project
Create a data source and call the ReportBuilder.BuildReport() method, specifying the document template, result file and data source in parameters
Get the generated document