.NET 新聞

在 .NET 中用 OHLC 圖表顯示股票資料

12月 2, 2025
使用開盤價-最高價-最低價-收盤價（OHLC）圖豐富具有高性能資料視覺化的金融應用，以顯示價格隨時間的變化。

OHLC charts, short for Open-High-Low-Close charts, are a type of financial chart used to represent price movements of assets over a specific time period. Each point on the chart summarizes a single period's opening, highest, lowest, and closing prices, typically displayed using vertical bars with ticks to indicate opening and closing values. This format offers a clear and compact way to visualize volatility and market trends within a given timeframe. For developers and analysts working with financial data, OHLC charts are especially valuable for identifying price patterns, monitoring market behavior, and making informed decisions based on historical performance.

Several .NET chart components offer OHLC charts, including:

  • DevExpress ASP.NET Core Charts (part of DevExpress ASP.NET and Blazor) lets you render OHLC charts with tooltips and responsive design for real-time financial analysis.
  • ComponentOne WinForms Charts (part of ComponentOne Studio WinForms by MESCIUS) allows you to plot OHLC data for precise visualization of market trends in desktop apps.
  • Telerik UI for WPF ChartView (part of Telerik UI for WPF) supports high-performance OHLC chart rendering with flexible axes and styling options for desktop financial dashboards.
  • Syncfusion .NET MAUI Charts (part of Syncfusion Essential Studio Enterprise) enables developers to build cross-platform mobile apps with interactive, animated OHLC charts.

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

Compare .NET Chart Components

編輯 PDF 中繼資料以更好控制文件

12月 1, 2025
支援中繼資料編輯功能的 ASP.NET Core PDF Viewers 改進了文件搜索、分類和生命週期管理。

Managing Metadata in the context of PDF Viewer components for ASP.NET Core, refers to the ability to view, edit, and update the descriptive information embedded within a PDF file. This metadata typically includes details such as the document's title, author, subject, keywords, creation and modification dates, and application used to create the file. Managing metadata allows developers and end users to keep document properties accurate and relevant, which can be important for document indexing, searching, and compliance with organizational standards. This feature is especially useful in document management systems where accurate metadata supports efficient retrieval and categorization.

Several PDF Viewer ASP.NET Core components offer metadata management features including:

  • Document Solutions for PDF by MESCIUS allows metadata inspection and editing inside PDFs, enabling consistent document information for enterprise workflows.
  • ImageGear for .NET by Accusoft allows developers to read and update PDF document metadata programmatically, maintaining accurate embedded document info.
  • Syncfusion Essential Studio PDF Viewer SDK (part of Syncfusion Essential Studio Enterprise) enables management of PDF metadata alongside standard viewing and editing.

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

Compare ASP.NET Core PDF Viewer Components

用簡單提示生成完整 UI

11月 28, 2025
Telerik DevCraft 2025 Q4 添加智慧體 UI 生成器，其可透過 AI 提示的使用自動創建和設計新式網頁應用。

DevCraft by Telerik is a comprehensive AI-powered suite of more than 1,250 UI components and development tools designed for building modern web, desktop, and mobile applications using .NET and JavaScript frameworks. It includes reporting and report management solutions, automated testing and mocking tools, and document processing libraries, as well as a wide range of professionally designed user interface controls from the Telerik and Kendo UI suites. DevCraft enables developers to create feature-rich, high-performance applications with consistent design and user experience, delivering enterprise-level, scalable, and maintainable software solutions.

The Telerik DevCraft 2025 Q4 update adds the Agentic UI Generator which enables developers to translate natural language prompts directly into fully‑scaffolded, production‑ready user interfaces built on the Telerik and Kendo UI component libraries. It includes all the functionality of the AI Coding Assistant, as well as handling layouts, styling, responsive behavior, accessibility best‑practices, data‑bindings and theming from an MCP server that works in any AI-enabled IDE, so developers can remain in their familiar IDE and focus their effort on domain logic rather than boilerplate. This feature is only available as part of DevCraft Complete and DevCraft Ultimate subscription licenses and currently supports Blazor, Angular and React.

To see a full list of what's new in DevCraft 2025 Q4, see our release notes.

Telerik DevCraft is licensed per developer and has two licensing models: an annual Subscription License and a Perpetual License. The Subscription license provides access to the latest product updates, technical support, and exclusive benefits for a flat annual fee, and must be renewed to continue using the software. The Perpetual license is a one-time purchase granting access to the current released version and includes a one-year subscription for product updates and technical support. After this initial period, users can choose to renew the subscription element to continue receiving updates and support; otherwise, they may continue using the installed version available during their active subscription term but will forgo future updates and support. See our Telerik DevCraft Ultimate licensing page for full details.

For more information, see our product pages:

在您的 PDF 報表中添加清晰簽名

11月 28, 2025
將帶有品牌的頁面簽名面板插入 PDF，以傳達真實性、加強信任並增強每份報表的專業性。

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.

Compare .NET Reporting Components

提高試算表資料的可讀性

11月 28, 2025
使用格式化和展示功能，您可以輕鬆呈現資訊，有助於使用者更容易地流覽複雜工作表。

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