.NET 新聞

將 PDF 訪問限制為僅授權接收者

5月 11, 2026
在為受信任使用者提供受控訪問的同時，加密和解密 PDF 以嚴格保護敏感文件。

Encrypting and decrypting PDF files allows developers to secure sensitive documents with strong encryption while enabling authorized users to safely access protected content when needed. By applying password protection and access controls, organizations can prevent unauthorized viewing or sharing of confidential information such as legal contracts, financial reports, healthcare records, and proprietary research while supporting secure document workflows and compliance requirements.

Several .NET PDF controls offer encryption and decryption support including:

  • DevExpress PDF Document API for .NET (part of DevExpress Office File API) lets you encrypt and decrypt PDF documents to securely protect sensitive information.
  • Aspose.PDF for .NET allows you to apply PDF encryption and decryption for secure document sharing, controlled access, and compliance support.
  • IronPDF for .NET by Iron Software facilitates secure PDF encryption and decryption that help protect confidential files from unauthorized viewing or distribution.
  • PDF4NET by PDF4DEV Solutions lets you encrypt and decrypt PDF documents while managing secure access to sensitive reports, contracts, and proprietary business content.

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

Compare .NET PDF Controls

視覺化構建進階網格和 TreeList 篩選器

5月 8, 2026
DevExpress Blazor 包括內置篩選器構建器對話方塊，讓使用者無需編寫其它代碼即可創建複雜的網格和 TreeList 篩選器。

DevExpress Blazor (part of DevExpress ASP.NET and Blazor) helps you create high-impact user experiences for both Blazor Server and Blazor WebAssembly using C#. The Blazor UI Component Library ships with a comprehensive set of native components including a Grid, Pivot Table, Scheduler, Chart, Data Editors and Reporting.

DevExpress Blazor now includes an integrated Filter Builder for its Grid and TreeList components, making it easier for users to define advanced filtering criteria through a visual interface. Filter Builder fields are generated automatically from existing data columns, so developers can add sophisticated filtering capabilities without extra configuration or custom implementation work. This approach helps users work with large datasets more efficiently while maintaining a consistent experience across Blazor applications.

DevExpress ASP.NET and Blazor is licensed per developer and is available as a Perpetual License with a 12 month support and maintenance subscription. See our DevExpress ASP.NET and Blazor licensing page for full details.

DevExpress Blazor is available in the following products:

更有效率地管理 PDF 文件

5月 7, 2026
添加內置 PDF 操作工具，無需依賴外部軟體即可合併、拆分、壓縮和重組文件。

PDF manipulation allow applications to create, modify, and manage PDF documents programmatically or through integrated user interfaces. These features support a wide range of document workflows, from reorganizing pages to extracting information and optimizing file sizes. By incorporating PDF manipulation tools directly into applications, developers can support more efficient document processing without relying on external software.

Common features include:

  • Compressing PDFs which reduces file sizes to make documents easier to store, transfer, and share while maintaining acceptable visual quality.
  • Deleting pages from a PDF enables users to remove unnecessary or sensitive content from existing documents.
  • Adding pages to a PDF allows new pages to be inserted into documents to expand or reorganise content.
  • Merging PDFs combines multiple PDF files into a single document, simplifying document management and distribution.
  • Splitting PDFs separates a document into smaller files, helping users isolate sections or distribute content more efficiently.
  • Extracting content allows users to retrieve text, images, or other embedded information from PDFs for reuse, analysis, or indexing purposes.
  • Managing metadata provides tools for viewing and updating document properties such as author details, titles, keywords, and creation dates.

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

Explore ASP.NET Core PDF Manipulation Features

為新式 Avalonia 應用生成條碼

5月 7, 2026
Actipro Avalonia Pro v26.1.0 添加 15 種內置條碼符號，用於創建靈活的生產就緒 QR 和線性條碼解決方案。

Actipro Avalonia UI Pro is a suite of professionally designed UI controls, themes, and components specifically built for the Avalonia UI framework. It empowers developers to craft beautiful, modern cross-platform applications while leveraging their existing C# and WPF skills. Actipro offers a range of controls from essential navigation and data visualization components to advanced charting and scheduling features, all adhering to its signature high-quality design and seamless integration with Avalonia.

The Actipro Avalonia Pro v26.1.0 update adds a comprehensive barcode generation toolkit with support for 15 built in symbologies, enabling developers to create production ready QR and linear barcode functionality for retail, logistics, packaging, and business applications. By providing a single flexible and developer friendly API, the update simplifies barcode integration while reducing the need for multiple third party libraries across Avalonia projects.

To see a full list of what's new in v26.1.0, see our release notes.

Actipro Avalonia UI Pro is licensed per developer and is available as a Perpetual license with 1 year support and maintenance. See our Actipro Avalonia UI Pro licensing page for full details.

Learn more on our Actipro Avalonia UI Pro product page.

用區間圖視覺化資料變異

5月 5, 2026
用揭示模式的直觀視覺效果高亮顯示價值區間，從而使比較和趨勢更清晰，解讀一目了然。

Range charts visualize the difference between minimum and maximum values for each data point using a filled area to represent variation. This makes it easier to understand fluctuations, compare ranges and identify patterns without the clutter of multiple lines. By focusing on value distribution rather than individual points, they improve readability and highlight trends and inconsistencies at a glance. They are useful for scenarios such as tracking temperature ranges, monitoring performance thresholds or comparing variations across datasets.

Several .NET Blazor charting components provide you with range charts, including:

  • Telerik UI Blazor Chart (part of Telerik UI for Blazor) lets you visualize value ranges with filled areas, enabling clear comparison of variations and trends.
  • Infragistics Ignite UI for Blazor Chart (part of Infragistics Ignite UI) allows you to display minimum and maximum values effectively, highlighting fluctuations.
  • TeeChart .NET for Blazor by Steema Software facilitates range-based visualizations, helping you represent value differences clearly while identifying trends and inconsistencies.
  • Syncfusion Blazor Charts (part of Syncfusion Essential Studio Enterprise) lets you present data ranges using intuitive visuals, making it easier to compare results.

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

Compare .NET Blazor Chart Components