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 March 25, 2023

What is .NET Framework

Introduction

The .NET Framework is a popular software development platform created by Microsoft. It is a versatile framework for building desktop, web, mobile, and gaming applications. Let's take a look at the .NET Framework, its features, and its capabilities.

Features of the .NET Framework

The .NET Framework is designed for Windows-based applications, but can also be used on other platforms such as Linux, macOS, iOS, and Android. It supports various programming languages, including C#, F#, and Visual Basic. The platform uses a just-in-time (JIT) compiler to translate Common Intermediate Language into machine code.

One of the essential components of the .NET Framework is the Common Language Runtime (CLR). It is the engine of the .NET Framework and provides necessary services such as garbage collection, security, and interoperability. The .NET Framework Class Library includes namespaces such as Systemand Microsoft, and offers programming libraries for WinForms, ASP.NET, Internet Information Services (IIS), ADO.NET, and databases.

Design Principles of the .NET Framework

The .NET Framework adheres to design principles such as interoperability, portability, security, consistency, and easy deployment. It is used with Visual Studio for programming, debugging, and creating .NET customer showcases. The .NET Framework supports programming languages such as C#, F#, and Visual Basic, and is widely used for form-based applications, Web-based applications, websites, and web services.

Cross-Platform and Open Source

The .NET Framework is cross-platform and open-source. It can be used with Xamarin/Mono and .NET Standard. The platform is available as a platform-dependent or platform-independent Mono framework, developed by Novell and Micro Focus, respectively. The .NET Framework release history dates back to the first Windows version and has since evolved into a powerful software development platform.

End of Support and Migration

Support for the .NET Framework will soon cease, and Microsoft recommends migrating to .NET 7 or .NET Core 3.1. The .NET Framework is a reliable and secure software development platform and offers high performance with Microsoft technologies such as OLE Technology and COM Technology.

IronPDF: The Perfect Standard PDF Library for .NET Developers

IronPDF

For .NET developers working with PDF files, IronPDF is the perfect standard library, offering a comprehensive set of features, ease of use, and seamless integration with the .NET Framework. IronPDF allows developers to generate, edit, render, and extract text from PDF documents with minimal effort.

Special Features of IronPDF

PDF Generation: IronPDF enables developers to create new PDF documents from scratch or modify existing ones. It supports HTML-to-PDF conversion, making it easy to create PDFs from web content, and can generate PDFs from various file formats, including images and Microsoft Office documents.

PDF Manipulation: Using IronPDF, developers can manipulate PDF documents by editing, merging, splitting, and adding or removing pages, as well as watermarking them. In addition, IronPDF enables the modification of the document's metadata, including author information, creation date, and keywords.

PDF Rendering: The library provides high-quality rendering of PDF documents, allowing developers to display and print PDFs in their applications. IronPDF supports rasterization, converting PDFs into images in various formats, including BMP, JPEG, and PNG.

Text Extraction: IronPDF can extract text from PDF documents, making it easy to index and search through PDF content. This feature is especially helpful for developers working on document management systems, search engines, or text analysis tools.

Integration: IronPDF seamlessly integrates with the .NET Framework, allowing developers to leverage the familiar .NET programming model and tools. It is compatible with multiple .NET languages, including C#, VB.NET, and F#.

Final Thoughts on the .NET Framework and IronPDF

The .NET Framework is a powerful and flexible programming platform that continues to be a popular choice among developers. With its comprehensive set of tools and features, it simplifies the development process, allowing developers to create robust and secure applications.

For those working with PDF documents, IronPDF is the perfect standard PDF library, offering a comprehensive set of features that cater to various PDF-related tasks. Its ease of use and seamless integration with the .NET Framework makes it an invaluable tool for .NET developers. Whether you are generating PDFs from scratch, converting HTML to PDF, or extracting text from existing documents, IronPDF has you covered.