Implements the Syncfusion ASP.NET Core PDFViewer for embedding, configuring, and loading PDF documents. Use this when rendering PDFs in ASP.NET Core applications, embedding viewer controls, or generating Razor page (.cshtml) code for PDF display and interaction.
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name
syncfusion-aspnetcore-pdf-viewer
description
Implements the Syncfusion ASP.NET Core PDFViewer for embedding, configuring, and loading PDF documents. Use this when rendering PDFs in ASP.NET Core applications, embedding viewer controls, or generating Razor page (.cshtml) code for PDF display and interaction.
metadata
{"author":"Syncfusion Inc","version":"34.1.29"}
Syncfusion ASP.NET Core Pdfviewer – UI Sample Generator
Respond: "Reference file for this feature is not available. Please ensure all reference files are present in the references/ directory."
List the missing reference file name
This is a BLOCKER step: Cannot proceed without reference file validation
If an API/property does NOT appear in the reference file table, DO NOT USE IT
Do NOT invent, guess, or suggest any API, method, property, class, or namespace not explicitly present in the reference files
Reference File Routing Guide
All templates and operation snippets live in references/*.md. Each file is a focused snippet or template the agent will combine when generating samples.
Flow: Always start with getting-started.md, then merge matched features into its anchors (PROPS, EVENTS, UI_BUTTONS, HANDLERS). If no keyword matches, return only the basic sample.
Checklist Before Generating Code
Count the settings properties: 1-3? → Use inline | 4+? → Use separate razor code block
Is the component prop simple enough? Yes → Keep inline | No → Extract to separate razor code block
Are Default values set for properties explicitly? Yes → Remove | No → Keep it
Context-aware context menu for text, annotations, and form fields; add custom items via addCustomMenu, handle clicks with customContextMenuSelect, dynamically show/hide items with customContextMenuBeforeOpen, and disable the menu using contextMenuOption. Configure default context menu using context menu settings.
Enable/disable page navigation (first/last/previous/next/go to page), thumbnail view and navigation, hyperlink support (internal and external links), table of contents navigation, programmatic navigation methods, and navigation-related events.
Customize the PDF viewer primary, form designer, annotation toolbars. Programmatically enable/disable toolbar, enable/disable and show/hide toolbar items. Lists the toolbar items available for toolbars. Enable/disable form designer, annotation or primary toolbars during initialization. Create a custom toolbar item
Information about ink/freehand, sticky notes/comments, handwritten/digital signatures annotations and programmatically adding them. Overall annotation types and common default annotation settings example
Information on shape annotations (Line, Arrow, Rectangle, Circle, Polygon). Programmatically adding shape annotations and manipulating default shape settings for each shape annotations
Information on measurement annotations (Distance, Perimeter, Area, Radius, Volume). Programmatically adding measurement annotations and manipulating default settings for each measurement annotations
Hide and permanently remove sensitive information in PDFs. Mark content by area or full page, configure overlay text and styling, apply redactions irreversibly, search text and auto-redact, and manage redaction annotations programmatically.
Fill and design PDF forms, manage form fields (field types like textbox/password/checkbox/radio/dropdown/listbox/signature), create fields programmatically, use the form designer toolbar/UI interactions, configure field properties/customization, apply validation rules and constraints/settings, use form field API methods, and handle import/export form data including custom field data.
Programmatically manipulate form fields including updating properties and values, moving and resizing, deleting, grouping, adding custom data & retrieving form field data
Implement text search in PDFs: search functionality, search options (case-sensitive/whole word), highlight search results, find next/previous occurrences, programmatic text search methods, search completion events, and custom highlight colors. Configure text extraction options/settings and programmatically extract text from pages
Enable text selection and text extraction: selection modes/behavior, copy selected text, text selection events, programmatic selection, and text collections/bounds.
Load PDFs from URL/local paths/base64, open encrypted/password-protected PDFs, support programmatic document loading, handle document load events/lifecycle, and manage load failures/errors.
Download PDFs, save PDFs with annotations/modifications, download with form data included, retrieve PDFs as base64, customize download events, and set custom download filenames.
Print PDFs (including print options like page range/quality and silent printing), handle print events, organize pages (overview/rearrange/reorder/rotate/delete), copy/duplicate/extract pages to a new document, and use the page organizer toolbar with programmatic + mobile page organization.
When generating code with settings (toolbarSettings, annotationSettings, annotationSelectorSettings, arrowSettings, rectangleSettings, etc.), follow these guidelines to prevent unnecessary imports and over-engineering:
Rule 1: Simple Settings → Define as Razor inline code
