Nouvelles .NET

Ajoutez des signatures claires à vos rapports PDF

Novembre 28, 2025
Insérez des panneaux de signature sur la page dans les PDF pour transmettre l’authenticité, renforcer la confiance et renforcer le professionnalisme de chaque rapport.

PDF visual signatures allow you to embed a clear, on-page representation of a digital signature directly into your exported reports, combining the security of a certified digital signature with the clarity of a visibly signed document. This feature instantly communicates authenticity and approval, helping recipients quickly verify who signed the report without navigating hidden metadata. It enhances professionalism with styled signature blocks that can include names, titles, dates, or branding elements, reinforcing trust and consistency across all distributed documents. Common use cases include signed invoices, compliance reports, approval forms, contracts, certificates, and any document that requires both a secure digital signature and a visually identifiable sign-off for clarity and reassurance.

Several .NET Reporting controls offer PDF visual signature support including:

  • DevExpress Reporting lets you embed secure visual signatures into PDFs, providing clear on-page approval, enhanced professionalism, and document verification.
  • ActiveReports.NET Standard allows you to generate PDFs with visible digital signatures, giving recipients clarity, authenticated output, and confidence in every finalized report.
  • TX Text Control .NET Server for ASP.NET allows you to insert visual PDF signatures with precise positioning, image stamps and metadata.
  • FastReport .NET WinForms lets you incorporate visually represented signatures into PDF exports, delivering verification, improved readability, and identifiable sign-off information.

For an in-depth analysis of features and price, visit our .NET Reporting controls comparison.

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Améliorez la lisibilité des données des tableaux Excel

Novembre 28, 2025
L’utilisation de fonctionnalités de mise en forme et de présentation vous permet de présenter facilement des informations pour aider les utilisateurs à naviguer dans des feuilles complexes avec moins d’effort.

Formatting and presentation features shape how information is communicated within a spreadsheet, turning raw values into content that is clearer, more readable, and visually consistent. These capabilities help users emphasize key data, establish a coherent visual style, and create worksheets that are easier to interpret at a glance. By supporting both subtle adjustments and more expressive enhancements, they play a central role in making spreadsheets suitable for reporting, analysis, and presentation-focused tasks across a wide range of scenarios.

Common features include:

  • Barcodes convert cell values into machine-readable symbols that can be used for tracking, inventory, or integration with external systems.
  • Cell Formatting controls the appearance of content through adjustments to fonts, colors, borders, alignment, and number formats.
  • Charts present data visually through a variety of graphical formats, making patterns and comparisons easier to understand.
  • Conditional Formatting applies visual cues dynamically, helping users identify trends, exceptions, or threshold-based results without manual intervention.
  • Inserting Images enables users to place graphics directly into worksheets, supporting richer presentations and adding contextual detail where needed.
  • Themes provide a foundation for consistent styling by applying coordinated colors, fonts, and effects across an entire spreadsheet.

For an in-depth analysis of features and price, visit our ASP.NET Core spreadsheet components comparison.

Explore ASP.NET Core Spreadsheet Features

Ajustez finement la valeur saisie avec des commandes glissantes

Novembre 27, 2025
Fournissez aux utilisateurs un éditeur de données intuitif sur la barre de suivi qui améliore la saisie numérique, maintient des plages valides et fournit un retour visuel.

A trackbar in data editors provides a sliding control that allows users to adjust numeric values within a defined range through an interactive visual interface. It reduces the need for manual text entry, prevents invalid inputs by enforcing minimums, maximums and step increments, and offers immediate feedback as values change. Trackbars are especially useful in scenarios where users need to fine tune settings such as selecting volume levels, adjusting brightness, setting filter thresholds or choosing time or price ranges, making them ideal for applications that benefit from quick, intuitive and precise value selection.

Several .NET WinForms components offer Trackbar Data Editors including:

For an in-depth analysis of features and price, visit our comparison of .NET WinForms Data Editors.

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Importez et exportez des fichiers Excel XLSX en utilisant WPF

Novembre 27, 2025
Utilisez Spread.NET pour importer et exporter sans effort des feuilles Excel dans votre application WPF.

Spread.NET helps you create spreadsheets, grids, dashboards, and forms. It includes a powerful calculation engine with 450+ functions and the ability to import and export Excel spreadsheets. You can develop in Visual Studio using VB or C# for WinForms, ASP.NET, and WPF.

In this blog post, MESCIUS Product Marketing Specialist Mackenzie Albitz guides you through four essential steps for importing and exporting Excel spreadsheets in your WPF applications:

  • Create a C#/VB WPF Spreadsheet Application
  • Define the User Interface for a WPF Spreadsheet App
  • Add Excel XLSX Import Code - OpenExcel Method
  • Add Excel XLSX Export Code - SaveAs Method

Detailed sample code is included and you can even download a finished sample project to follow along.

Read the complete blog post to learn the steps for integrating this powerful Excel functionality into your WPF applications.

Spread.NET is licensed per developer and is available as a Perpetual License with a 12 month support and maintenance subscription. We can supply any Spread.NET license including new licenses, maintenance renewals, and upgrade licenses. See our Spread.NET licensing page for full details.

For more information, visit our Spread.NET product page.

Ajoutez des notes manuscrites aux PDF dans les applications Web

Novembre 26, 2025
Les contrôles de PDF ASP.NET Core avec dessin à main levée et annotation à l’encre permettent aux utilisateurs d’ajouter des signatures, des croquis et des notes directement dans les documents.

Freehand Draw, also known as Ink Annotation, in ASP.NET Core PDF Viewer controls allows users to add freeform, hand-drawn annotations directly onto PDF documents. This feature mimics natural handwriting or sketching by enabling input through mouse, touch, or stylus, making it especially useful for scenarios requiring personal notes, signatures, or diagrammatic feedback. The annotations are embedded as part of the PDF, ensuring they remain accessible and visible across different platforms and viewers. It is commonly used in applications where document review or digital signing is required, enhancing interactivity and collaboration within PDF-based processes.

Several ASP.NET Core Assembly PDF Viewer components offer support for Freehand Draw/Ink Annotation including:

  • Document Solutions for PDF by MESCIUS allows you to draw free‑hand ink annotations that capture user‑stroke paths and embed them as editable vector markup within a PDF.
  • ImageGear .NET by Accusoft enables freehand and polyline annotation so developers can capture scribbles, arrows or curves and save them as PDF annotation objects.
  • Syncfusion ASP.NET Core PDF (part of Syncfusion Essential Studio Enterprise) supports ink annotation within its viewer, enabling users to draw and add signatures to PDFs.

For an in-depth analysis of features and price, visit our comparison of ASP.NET Core Assembly PDF Viewer Components.

Compare ASP.NET Core Assembly PDF Viewer Components