using IronPdf; // Disable local disk access or cross-origin requests Installation.EnableWebSecurity = true; // Instantiate Renderer var renderer = new ChromePdfRenderer(); // Create a PDF from a HTML string using C# var pdf = renderer.RenderHtmlAsPdf("<h1>Hello World</h1>"); // Export to a file or Stream pdf.SaveAs("output.pdf"); // Advanced Example with HTML Assets // Load external html assets: Images, CSS and JavaScript. // An optional BasePath 'C:\site\assets\' is set as the file location to load assets from var myAdvancedPdf = renderer.RenderHtmlAsPdf("<img src='icons/iron.png'>", @"C:\site\assets\"); myAdvancedPdf.SaveAs("html-with-assets.pdf");

using IronPdf; using System; // Step 1. Creating a PDF with editable forms from HTML using form and input tags // Radio Button and Checkbox can also be implemented with input type 'radio' and 'checkbox' const string formHtml = @" <html> <body> <h2>Editable PDF Form</h2> <form> First name: <br> <input type='text' name='firstname' value=''> <br> Last name: <br> <input type='text' name='lastname' value=''> <br> <br> <p>Please specify your gender:</p> <input type='radio' id='female' name='gender' value= 'Female'> <label for='female'>Female</label> <br> <br> <input type='radio' id='male' name='gender' value='Male'> <label for='male'>Male</label> <br> <br> <input type='radio' id='non-binary/other' name='gender' value='Non-Binary / Other'> <label for='non-binary/other'>Non-Binary / Other</label> <br> <p>Please select all medical conditions that apply:</p> <input type='checkbox' id='condition1' name='Hypertension' value='Hypertension'> <label for='condition1'> Hypertension</label><br> <input type='checkbox' id='condition2' name='Heart Disease' value='Heart Disease'> <label for='condition2'> Heart Disease</label><br> <input type='checkbox' id='condition3' name='Stoke' value='Stoke'> <label for='condition3'> Stoke</label><br> <input type='checkbox' id='condition4' name='Diabetes' value='Diabetes'> <label for='condition4'> Diabetes</label><br> <input type='checkbox' id='condition5' name='Kidney Disease' value='Kidney Disease'> <label for='condition5'> Kidney Disease</label><br> </form> </body> </html>"; // Instantiate Renderer var renderer = new ChromePdfRenderer(); renderer.RenderingOptions.CreatePdfFormsFromHtml = true; renderer.RenderHtmlAsPdf(formHtml).SaveAs("BasicForm.pdf"); // Step 2. Reading and Writing PDF form values. var FormDocument = PdfDocument.FromFile("BasicForm.pdf"); // Set and Read the value of the "firstname" field var FirstNameField = FormDocument.Form.FindFormField("firstname"); FirstNameField.Value = "Minnie"; Console.WriteLine("FirstNameField value: {0}", FirstNameField.Value); // Set and Read the value of the "lastname" field var LastNameField = FormDocument.Form.FindFormField("lastname"); LastNameField.Value = "Mouse"; Console.WriteLine("LastNameField value: {0}", LastNameField.Value); FormDocument.SaveAs("FilledForm.pdf");

Published April 20, 2023

.NET 7 (How it Works for Developers Guide)

Introduction

Developers are constantly seeking efficient and robust tools to enhance their projects as the technological landscape evolves rapidly. The recent release of .NET 7 promises just that - with improved performance, advanced features, and greater compatibility. In this article, we will delve into the world of .NET 7, exploring its new offerings and the integration of IronPDF, IronXL, and IronOCR to help developers create versatile and robust applications.

.NET 7: A Glimpse into the Future of Development

.NET 7 is the latest iteration of the .NET framework, offering a multitude of enhancements to facilitate the development of modern applications. With a keen focus on improving performance, security, and support for new hardware, .NET 7 is designed to meet the ever-changing demands of today's software landscape. Key features include a new Just-In-Time (JIT) compiler, improved garbage collection, and support for minimal APIs.

One of the significant highlights of .NET 7 is the introduction of the new JIT compiler called "QJIT." This compiler offers better performance through enhanced compilation speed and optimization techniques. It also reduces memory usage, ensuring faster and more efficient applications.

The improvements in garbage collection are another noteworthy aspect of .NET 7. By introducing new algorithms and techniques, .NET 7 minimizes the impact of garbage collection on application performance. This enables developers to create high-performance applications without worrying about memory management.

Minimal APIs are a new feature in .NET 7, designed to streamline the process of building and deploying web APIs. This feature significantly reduces development time and improves maintainability by allowing developers to define APIs with minimal boilerplate code.

IronPDF: Compatibility with .NET 7 and Previous Versions

IronPDF is a central library for generating, editing and rendering PDF documents in .NET applications. It offers seamless integration with .NET 7, allowing developers to harness the power of this updated framework while working with PDF files. Not only IronPDF is compatible with .NET 7 and works smoothly with previous versions of .NET, making it an ideal choice for developers seeking an adaptable and reliable PDF solution for their applications.

With IronPDF, developers can create PDFs from HTML, images, or text and manipulate existing PDFs by adding or removing content, annotations, and form fields. The library also supports PDF rendering for previewing and printing purposes, making it a comprehensive solution for PDF management in .NET applications.

.NET 7 (How It Works For Developers Guide): Figure 2 - IronPDF Compatibility

IronXL and IronOCR: A Quick Introduction

IronXL is an advanced Excel library for .NET, which enables developers to create, read, edit, and export Excel files with ease. It provides various functionalities, including support for different file formats, such as XLS, XLSX, CSV, and TSV. IronXL also allows for data manipulation, providing filtering, sorting, and searching features. Moreover, it includes advanced styling options for creating visually appealing spreadsheets.

On the other hand, IronOCR is a robust Optical Character Recognition (OCR) library for .NET applications that enables developers to extract text from images and scanned documents, unlocking valuable data that can be processed and analyzed. The library supports multiple languages and offers advanced features like OCR confidence scores and automatic rotation of skewed images to improve recognition accuracy.

Conclusion

As .NET 7 paves the way for the next generation of software development, integrating cutting-edge libraries such as IronPDF, IronXL, and IronOCR is essential for developers aiming to create dynamic and versatile applications. With compatibility across various .NET versions and the potential to unlock an extensive range of features, these libraries are indispensable tools for modern developers. Embrace the future of development with .NET 7 and these powerful libraries to enhance your projects and stay ahead in the competitive technology landscape.

In summary, the release of .NET 7 offers developers many opportunities to optimize their applications, streamline processes, and ensure compatibility with existing and future technologies. By incorporating IronPDF, IronXL, and IronOCR, developers can create comprehensive solutions that cater to a diverse range of requirements in today's dynamic software development environment.

To fully leverage the power of .NET 7, developers must familiarize themselves with these libraries, exploring their capabilities and potential synergies. By doing so, they can build applications that harness the true potential of the .NET 7 framework, addressing real-world challenges and providing innovative solutions.