MIGRATION GUIDES

How to Migrate from Telerik Reporting to IronPDF in C#

게시됨:2월 1, 2026

Telerik Reporting is a powerful enterprise reporting platform that has served .NET developers well for building interactive reports with visual designers and drill-down capabilities. However, for teams whose primary need is PDF generation rather than comprehensive reporting infrastructure, Telerik Reporting often represents significant overhead in licensing costs, deployment complexity, and runtime footprint.

This guide provides a complete migration path from Telerik Reporting to IronPDF, with step-by-step instructions, code comparisons, and practical examples for professional .NET developers evaluating this transition.

Why Migrate from Telerik Reporting

The decision to migrate from Telerik Reporting typically centers on matching your tooling to your actual requirements. Key reasons development teams consider migration include:

Expensive Bundle Licensing: Telerik Reporting requires either the DevCraft bundle ($1,000+ per developer) or a standalone license. For teams that only need PDF generation, this represents significant unused capability.

Report Designer Dependency: Telerik Reporting requires installing Visual Studio extensions and runtime components. This adds complexity to development environments and CI/CD pipelines.

Complex Infrastructure: Production deployments may need report service hosting, connection strings, and data source configuration—infrastructure that adds maintenance burden for straightforward PDF generation tasks.

Proprietary Format: The .trdp and .trdx file formats lock you into the Telerik ecosystem. Migrating or modifying templates requires Telerik tooling.

Heavy Runtime: The deployment footprint is substantial for what may be simple HTML-to-PDF conversion requirements.

Annual Subscription: Ongoing costs for updates and support add to total cost of ownership.

When Telerik Reporting Is Overkill

If you're using Telerik Reporting primarily to generate PDFs from data, you're likely paying for features that go unused:

You Need	Telerik Provides (Unused)
PDF from HTML	Visual designer, drill-downs
Simple reports	Interactive viewer, exports
Server-side PDFs	Desktop controls, charting engine

IronPDF provides focused PDF generation without enterprise reporting overhead.

IronPDF vs Telerik Reporting: Feature Comparison

Understanding the architectural differences helps technical decision-makers evaluate the migration investment:

Feature	Telerik Reporting	IronPDF
Focus	Report creation with PDF export option	Comprehensive PDF generation from HTML
Integration	Seamless with ASP.NET Core applications	Can be integrated into any .NET application
Setup Complexity	Requires installation of a report designer	Simple NuGet installation
Pricing	Part of the DevCraft commercial suite	Separate licensing, more cost-effective for standalone PDF generation
PDF Generation	Limited to report exports	Full-featured with advanced PDF manipulation
Target Audience	Developers needing report-centric solutions	Developers needing flexible PDF generation solutions
Template Format	`.trdp` / `.trdx`	HTML/CSS/Razor
Learning Curve	Telerik-specific	Standard web technologies
HTML to PDF	Limited	Full Chromium rendering
URL to PDF	No	Yes
CSS Support	Limited	Full CSS3
JavaScript	No	Full ES2024
Digital Signatures	No	Yes
PDF/A	No	Yes
Runtime Size	Large	Smaller

Quick Start: Telerik Reporting to IronPDF Migration

The migration can begin immediately with these foundational steps.

Step 1: Replace NuGet Packages

Remove all Telerik Reporting packages:

# Remove Telerik Reporting packages
dotnet remove package Telerik.Reporting
dotnet remove package Telerik.Reporting.Services.AspNetCore
dotnet remove package Telerik.ReportViewer.Mvc

# Remove Telerik Reporting packages
dotnet remove package Telerik.Reporting
dotnet remove package Telerik.Reporting.Services.AspNetCore
dotnet remove package Telerik.ReportViewer.Mvc

SHELL

Install IronPDF:

# Install IronPDF
dotnet add package IronPdf

# Install IronPDF
dotnet add package IronPdf

SHELL

Step 2: Update Namespaces

Replace Telerik namespaces with the IronPdf namespace:

// Before (Telerik Reporting)
using Telerik.Reporting;
using Telerik.Reporting.Processing;
using Telerik.Reporting.Drawing;

// After (IronPDF)
using IronPdf;

// Before (Telerik Reporting)
using Telerik.Reporting;
using Telerik.Reporting.Processing;
using Telerik.Reporting.Drawing;

// After (IronPDF)
using IronPdf;

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Step 3: Initialize License

Add license initialization at application startup:

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY";

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY";

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Code Migration Examples

Converting HTML to PDF

The most common use case demonstrates the architectural difference between these .NET PDF libraries.

Telerik Reporting Approach:

// NuGet: Install-Package Telerik.Reporting
using Telerik.Reporting;
using Telerik.Reporting.Processing;
using System.Collections.Specialized;

class TelerikExample
{
    static void Main()
    {
        var reportSource = new Telerik.Reporting.TypeReportSource();
        var instanceReportSource = new Telerik.Reporting.InstanceReportSource();
        instanceReportSource.ReportDocument = new Telerik.Reporting.Report()
        {
            Items = { new Telerik.Reporting.HtmlTextBox() { Value = "<h1>Hello World</h1><p>Sample HTML content</p>" } }
        };

        var reportProcessor = new ReportProcessor();
        var result = reportProcessor.RenderReport("PDF", instanceReportSource, null);

        using (var fs = new System.IO.FileStream("output.pdf", System.IO.FileMode.Create))
        {
            fs.Write(result.DocumentBytes, 0, result.DocumentBytes.Length);
        }
    }
}

// NuGet: Install-Package Telerik.Reporting
using Telerik.Reporting;
using Telerik.Reporting.Processing;
using System.Collections.Specialized;

class TelerikExample
{
    static void Main()
    {
        var reportSource = new Telerik.Reporting.TypeReportSource();
        var instanceReportSource = new Telerik.Reporting.InstanceReportSource();
        instanceReportSource.ReportDocument = new Telerik.Reporting.Report()
        {
            Items = { new Telerik.Reporting.HtmlTextBox() { Value = "<h1>Hello World</h1><p>Sample HTML content</p>" } }
        };

        var reportProcessor = new ReportProcessor();
        var result = reportProcessor.RenderReport("PDF", instanceReportSource, null);

        using (var fs = new System.IO.FileStream("output.pdf", System.IO.FileMode.Create))
        {
            fs.Write(result.DocumentBytes, 0, result.DocumentBytes.Length);
        }
    }
}

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IronPDF Approach:

// NuGet: Install-Package IronPdf
using IronPdf;
using System;

class IronPdfExample
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();
        var pdf = renderer.RenderHtmlAsPdf("<h1>Hello World</h1><p>Sample HTML content</p>");
        pdf.SaveAs("output.pdf");
    }
}

// NuGet: Install-Package IronPdf
using IronPdf;
using System;

class IronPdfExample
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();
        var pdf = renderer.RenderHtmlAsPdf("<h1>Hello World</h1><p>Sample HTML content</p>");
        pdf.SaveAs("output.pdf");
    }
}

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The Telerik version requires creating a TypeReportSource, an InstanceReportSource, a Report object with an HtmlTextBox, a ReportProcessor, and manual file stream management. IronPDF's ChromePdfRenderer handles the entire process with three lines of code.

For advanced HTML-to-PDF scenarios, see the HTML to PDF conversion guide.

Converting URLs to PDF

URL-to-PDF conversion reveals a significant capability gap in Telerik Reporting.

Telerik Reporting Approach:

// NuGet: Install-Package Telerik.Reporting
using Telerik.Reporting;
using Telerik.Reporting.Processing;
using System.Net;

class TelerikExample
{
    static void Main()
    {
        string htmlContent;
        using (var client = new WebClient())
        {
            htmlContent = client.DownloadString("https://example.com");
        }

        var report = new Telerik.Reporting.Report();
        var htmlTextBox = new Telerik.Reporting.HtmlTextBox()
        {
            Value = htmlContent
        };
        report.Items.Add(htmlTextBox);

        var instanceReportSource = new Telerik.Reporting.InstanceReportSource();
        instanceReportSource.ReportDocument = report;

        var reportProcessor = new ReportProcessor();
        var result = reportProcessor.RenderReport("PDF", instanceReportSource, null);

        using (var fs = new System.IO.FileStream("webpage.pdf", System.IO.FileMode.Create))
        {
            fs.Write(result.DocumentBytes, 0, result.DocumentBytes.Length);
        }
    }
}

// NuGet: Install-Package Telerik.Reporting
using Telerik.Reporting;
using Telerik.Reporting.Processing;
using System.Net;

class TelerikExample
{
    static void Main()
    {
        string htmlContent;
        using (var client = new WebClient())
        {
            htmlContent = client.DownloadString("https://example.com");
        }

        var report = new Telerik.Reporting.Report();
        var htmlTextBox = new Telerik.Reporting.HtmlTextBox()
        {
            Value = htmlContent
        };
        report.Items.Add(htmlTextBox);

        var instanceReportSource = new Telerik.Reporting.InstanceReportSource();
        instanceReportSource.ReportDocument = report;

        var reportProcessor = new ReportProcessor();
        var result = reportProcessor.RenderReport("PDF", instanceReportSource, null);

        using (var fs = new System.IO.FileStream("webpage.pdf", System.IO.FileMode.Create))
        {
            fs.Write(result.DocumentBytes, 0, result.DocumentBytes.Length);
        }
    }
}

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IronPDF Approach:

// NuGet: Install-Package IronPdf
using IronPdf;
using System;

class IronPdfExample
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();
        var pdf = renderer.RenderUrlAsPdf("https://example.com");
        pdf.SaveAs("webpage.pdf");
    }
}

// NuGet: Install-Package IronPdf
using IronPdf;
using System;

class IronPdfExample
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();
        var pdf = renderer.RenderUrlAsPdf("https://example.com");
        pdf.SaveAs("webpage.pdf");
    }
}

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Telerik Reporting has no native URL-to-PDF capability. You must manually fetch HTML content using WebClient, losing external CSS, JavaScript execution, and dynamic content in the process. IronPDF's RenderUrlAsPdf method captures the complete rendered page exactly as it appears in a browser.

Explore the URL to PDF documentation for authentication and custom header options.

Implementing Headers and Footers with Page Numbers

Headers and footers with dynamic page numbers are essential for professional documents. The implementation approaches differ significantly.

Telerik Reporting Approach:

// NuGet: Install-Package Telerik.Reporting
using Telerik.Reporting;
using Telerik.Reporting.Processing;
using Telerik.Reporting.Drawing;

class TelerikExample
{
    static void Main()
    {
        var report = new Telerik.Reporting.Report();

        // Add page header
        var pageHeader = new Telerik.Reporting.PageHeaderSection();
        pageHeader.Height = new Unit(0.5, UnitType.Inch);
        pageHeader.Items.Add(new Telerik.Reporting.TextBox()
        {
            Value = "Document Header",
            Location = new PointU(0, 0),
            Size = new SizeU(new Unit(6, UnitType.Inch), new Unit(0.3, UnitType.Inch))
        });
        report.PageHeaderSection = pageHeader;

        // Add page footer
        var pageFooter = new Telerik.Reporting.PageFooterSection();
        pageFooter.Height = new Unit(0.5, UnitType.Inch);
        pageFooter.Items.Add(new Telerik.Reporting.TextBox()
        {
            Value = "Page {PageNumber} of {PageCount}",
            Location = new PointU(0, 0),
            Size = new SizeU(new Unit(6, UnitType.Inch), new Unit(0.3, UnitType.Inch))
        });
        report.PageFooterSection = pageFooter;

        // Add content
        var htmlTextBox = new Telerik.Reporting.HtmlTextBox()
        {
            Value = "<h1>Report Content</h1><p>This is the main content.</p>"
        };
        report.Items.Add(htmlTextBox);

        var instanceReportSource = new Telerik.Reporting.InstanceReportSource();
        instanceReportSource.ReportDocument = report;

        var reportProcessor = new ReportProcessor();
        var result = reportProcessor.RenderReport("PDF", instanceReportSource, null);

        using (var fs = new System.IO.FileStream("report_with_headers.pdf", System.IO.FileMode.Create))
        {
            fs.Write(result.DocumentBytes, 0, result.DocumentBytes.Length);
        }
    }
}

// NuGet: Install-Package Telerik.Reporting
using Telerik.Reporting;
using Telerik.Reporting.Processing;
using Telerik.Reporting.Drawing;

class TelerikExample
{
    static void Main()
    {
        var report = new Telerik.Reporting.Report();

        // Add page header
        var pageHeader = new Telerik.Reporting.PageHeaderSection();
        pageHeader.Height = new Unit(0.5, UnitType.Inch);
        pageHeader.Items.Add(new Telerik.Reporting.TextBox()
        {
            Value = "Document Header",
            Location = new PointU(0, 0),
            Size = new SizeU(new Unit(6, UnitType.Inch), new Unit(0.3, UnitType.Inch))
        });
        report.PageHeaderSection = pageHeader;

        // Add page footer
        var pageFooter = new Telerik.Reporting.PageFooterSection();
        pageFooter.Height = new Unit(0.5, UnitType.Inch);
        pageFooter.Items.Add(new Telerik.Reporting.TextBox()
        {
            Value = "Page {PageNumber} of {PageCount}",
            Location = new PointU(0, 0),
            Size = new SizeU(new Unit(6, UnitType.Inch), new Unit(0.3, UnitType.Inch))
        });
        report.PageFooterSection = pageFooter;

        // Add content
        var htmlTextBox = new Telerik.Reporting.HtmlTextBox()
        {
            Value = "<h1>Report Content</h1><p>This is the main content.</p>"
        };
        report.Items.Add(htmlTextBox);

        var instanceReportSource = new Telerik.Reporting.InstanceReportSource();
        instanceReportSource.ReportDocument = report;

        var reportProcessor = new ReportProcessor();
        var result = reportProcessor.RenderReport("PDF", instanceReportSource, null);

        using (var fs = new System.IO.FileStream("report_with_headers.pdf", System.IO.FileMode.Create))
        {
            fs.Write(result.DocumentBytes, 0, result.DocumentBytes.Length);
        }
    }
}

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IronPDF Approach:

// NuGet: Install-Package IronPdf
using IronPdf;
using IronPdf.Rendering;
using System;

class IronPdfExample
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();

        // Configure header and footer
        renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter()
        {
            HtmlFragment = "<div style='text-align:center'>Document Header</div>"
        };

        renderer.RenderingOptions.HtmlFooter = new HtmlHeaderFooter()
        {
            HtmlFragment = "<div style='text-align:center'>Page {page} of {total-pages}</div>"
        };

        var pdf = renderer.RenderHtmlAsPdf("<h1>Report Content</h1><p>This is the main content.</p>");
        pdf.SaveAs("report_with_headers.pdf");
    }
}

// NuGet: Install-Package IronPdf
using IronPdf;
using IronPdf.Rendering;
using System;

class IronPdfExample
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();

        // Configure header and footer
        renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter()
        {
            HtmlFragment = "<div style='text-align:center'>Document Header</div>"
        };

        renderer.RenderingOptions.HtmlFooter = new HtmlHeaderFooter()
        {
            HtmlFragment = "<div style='text-align:center'>Page {page} of {total-pages}</div>"
        };

        var pdf = renderer.RenderHtmlAsPdf("<h1>Report Content</h1><p>This is the main content.</p>");
        pdf.SaveAs("report_with_headers.pdf");
    }
}

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Telerik Reporting requires creating PageHeaderSection and PageFooterSection objects, configuring Unit measurements, setting Location and Size properties, and managing TextBox items with specific coordinates. IronPDF's HTML-based approach uses familiar CSS styling and simple placeholders like {page} and {total-pages}.

Learn more about header and footer options in the headers and footers documentation.

Telerik Reporting API to IronPDF Mapping Reference

This mapping accelerates migration by showing direct API equivalents:

Telerik Reporting	IronPDF
`Report` class	`ChromePdfRenderer`
`ReportProcessor`	`renderer.RenderHtmlAsPdf()`
`ReportSource`	HTML string or file
`.trdp` / `.trdx` files	HTML/CSS templates
`ReportParameter`	String interpolation / Razor
`ReportDataSource`	C# data binding
`RenderReport("PDF")`	`RenderHtmlAsPdf()`
`Export()`	`pdf.SaveAs()`
`TextBox` report item	HTML `<span>`, `<p>`, `<div>`
`Table` report item	HTML `<table>`
`PictureBox`	HTML `<img>`
`PageSettings`	`RenderingOptions`

Common Migration Issues and Solutions

Issue 1: Report Definitions (.trdp/.trdx files)

Telerik Reporting uses proprietary XML report definitions that cannot be directly converted.

Solution: Convert to HTML templates by opening the report in the designer, documenting layout, data bindings, and formatting, then recreating as HTML/CSS templates. Use Razor for data binding in complex scenarios.

Issue 2: Data Source Binding

Telerik Reporting uses SqlDataSource and object data sources with expression binding.

Solution: Fetch data in C# and bind to HTML:

var data = await dbContext.Orders.ToListAsync();
var html = $"<table>{string.Join("", data.Select(d => $"<tr><td>{d.Name}</td></tr>"))}</table>";

var data = await dbContext.Orders.ToListAsync();
var html = $"<table>{string.Join("", data.Select(d => $"<tr><td>{d.Name}</td></tr>"))}</table>";

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Issue 3: Report Parameters

Telerik Reporting uses ReportParameter with built-in parameter UI.

Solution: Pass parameters directly to HTML generation:

public string GenerateReport(string customerId, DateTime fromDate)
{
    return $"<h1>Report for {customerId}</h1><p>From: {fromDate:d}</p>";
}

public string GenerateReport(string customerId, DateTime fromDate)
{
    return $"<h1>Report for {customerId}</h1><p>From: {fromDate:d}</p>";
}

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Issue 4: Interactive Features

Telerik Reporting provides drill-down, sorting, and filtering in the viewer.

Solution: IronPDF generates static PDFs. For interactivity, keep data in your web UI and generate PDF when the user clicks "Export." This separates concerns between interactive data exploration and document generation.

Telerik Reporting Migration Checklist

Pre-Migration Tasks

Audit your codebase to identify all Telerik Reporting usage:

grep -r "using Telerik.Reporting" --include="*.cs" .
grep -r "Report\|ReportProcessor" --include="*.cs" .

grep -r "using Telerik.Reporting" --include="*.cs" .
grep -r "Report\|ReportProcessor" --include="*.cs" .

SHELL

Document data sources and parameters, screenshot current report layouts for visual reference, and identify shared report components that can be converted to reusable HTML templates.

Code Update Tasks

Remove Telerik NuGet packages
Install IronPdf NuGet package
Convert .trdp/.trdx files to HTML templates
Replace ReportProcessor with ChromePdfRenderer
Update data binding to string interpolation or Razor
Convert headers/footers to HTML using HtmlHeaderFooter
Add license initialization at startup

Post-Migration Testing

After migration, verify these aspects:

Compare PDF output visually against original reports
Verify data accuracy in generated PDFs
Test pagination for multi-page documents
Check headers/footers appear correctly on all pages
Conduct performance testing for high-volume scenarios

Key Benefits of Migrating to IronPDF

Moving from Telerik Reporting to IronPDF provides several advantages for teams focused on PDF generation:

Modern Chromium Rendering Engine: IronPDF uses the same rendering engine as Google Chrome, ensuring PDFs render exactly as content appears in modern browsers. Full CSS3 and JavaScript support means your web designs translate directly to PDF.

Simplified Licensing: IronPDF offers per-developer licensing without requiring a comprehensive suite purchase. For teams that only need PDF generation, this represents significant cost savings.

Standard Web Technologies: HTML, CSS, and JavaScript are skills every web developer possesses. No proprietary template formats or specialized designer tools to learn.

Smaller Deployment Footprint: Without report service infrastructure and designer components, deployments are simpler and faster.

Active Development: As .NET 10 and C# 14 adoption increases through 2026, IronPDF's regular updates ensure compatibility with current and future .NET versions.

커티스 차우

지금 바로 엔지니어링 팀과 채팅하세요

기술 문서 작성자

커티스 차우는 칼턴 대학교에서 컴퓨터 과학 학사 학위를 취득했으며, Node.js, TypeScript, JavaScript, React를 전문으로 하는 프론트엔드 개발자입니다. 직관적이고 미적으로 뛰어난 사용자 인터페이스를 만드는 데 열정을 가진 그는 최신 프레임워크를 활용하고, 잘 구성되고 시각적으로 매력적인 매뉴얼을 제작하는 것을 즐깁니다.

커티스는 개발 분야 외에도 사물 인터넷(IoT)에 깊은 관심을 가지고 있으며, 하드웨어와 소프트웨어를 통합하는 혁신적인 방법을 연구합니다. 여가 시간에는 게임을 즐기거나 디스코드 봇을 만들면서 기술에 대한 애정과 창의성을 결합합니다.

고객 성공 사례:

주목할 만한 개발자:

웹 세미나:

30일 무료 체험 시작하기

How to Migrate from Telerik Reporting to IronPDF in C#

Why Migrate from Telerik Reporting

When Telerik Reporting Is Overkill

IronPDF vs Telerik Reporting: Feature Comparison

Quick Start: Telerik Reporting to IronPDF Migration

Step 1: Replace NuGet Packages

Step 2: Update Namespaces

Step 3: Initialize License

Code Migration Examples

Converting HTML to PDF

Converting URLs to PDF

Implementing Headers and Footers with Page Numbers

Telerik Reporting API to IronPDF Mapping Reference

Common Migration Issues and Solutions

Issue 1: Report Definitions (.trdp/.trdx files)

Issue 2: Data Source Binding

Issue 3: Report Parameters

Issue 4: Interactive Features

Telerik Reporting Migration Checklist

Pre-Migration Tasks

Code Update Tasks

Post-Migration Testing

Key Benefits of Migrating to IronPDF

30일 무료 체험 시작하기

How to Migrate from Telerik Reporting to IronPDF in C#

Why Migrate from Telerik Reporting

When Telerik Reporting Is Overkill

IronPDF vs Telerik Reporting: Feature Comparison

Quick Start: Telerik Reporting to IronPDF Migration

Step 1: Replace NuGet Packages

Step 2: Update Namespaces

Step 3: Initialize License

Code Migration Examples

Converting HTML to PDF

Converting URLs to PDF

Implementing Headers and Footers with Page Numbers

Telerik Reporting API to IronPDF Mapping Reference

Common Migration Issues and Solutions

Issue 1: Report Definitions (.trdp/.trdx files)

Issue 2: Data Source Binding

Issue 3: Report Parameters

Issue 4: Interactive Features

Telerik Reporting Migration Checklist

Pre-Migration Tasks

Code Update Tasks

Post-Migration Testing

Key Benefits of Migrating to IronPDF

관련 기사

How to Migrate from ZetPDF to IronPDF in C#

How to Migrate from Scryber.Core to IronPDF in C#

How to Migrate from XFINIUM.PDF to IronPDF in C#

다음 단계: 30일 무료 체험 시작하기

다음 단계: 30일 무료 체험 시작하기

전 세계 수백만 엔지니어들이 신뢰하는 제품입니다.