Feature-Rich C# .NET Word API Library for Total Document Control

Create DOCX from Scratch

Quickly build MS Word documents programmatically with this .NET Word API library. Start by creating an instance of the GcWordDocument class, then add paragraphs and content with intuitive APIs, and save to multiple formats. Input/output support includes DOCX, DOTM, DOCM, and DOTX, while output also includes PDF and PDF/A for long-term archiving. Whether you’re generating reports or building dynamic templates, DsWord makes it easy—no Microsoft Office required.

• View Demo and Code
• Getting Started Documentation

Load & Modify Existing Word Documents

Use Document Solutions for Word to load existing MS Word documents, make updates, and save them in a variety of formats using C# or VB. Programmatically modify text, add content, or restructure files directly through code—ideal for building automated workflows or document editing tools. Supported input formats include DOCX, DOTM, DOCM, and DOTX. Output options include DOCX, DOTX, PDF, and PDF/A. Whether you're updating contracts or appending reports, Document Solutions for Word’s API makes it seamless in .NET applications.

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• Load and Modify Word Documentation

Find & Replace Text in DOCX

Automate advanced find-and-replace operations across MS Word documents using a .NET server-side API. With Document Solutions for Word, you can search for text using static strings, regular expressions, or even formatting attributes like font color. Replace entire sections, clean up empty runs, or apply dynamic replacements using callback logic. Support for special tokens (like page or section breaks) enables flexible, content-aware editing.

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• Find and Replace Text Documentation

Apply Document Style

Apply consistent formatting across Microsoft Word documents using built-in, custom, and linked styles in .NET server-side applications. Document Solutions for Word is a light-weight .NET Word API library that makes it easy to define reusable styles with full control over font, size, color, and more. Use linked styles to dynamically apply character or paragraph styling based on context, and modify or delete styles as needed. Styles can be applied to runs, paragraphs, content controls, and even during search and replace operations—streamlining both content design and automation.

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• Styles Documentation

Apply Themes

Ensure a professional, cohesive appearance across generated Word documents by customizing theme fonts and colors with a server-side document API. Use the Theme and Settings APIs to define heading and body fonts, adjust color schemes for elements like hyperlinks and accents, and apply organization-specific branding at scale. With full control over FontScheme and ColorScheme, you can quickly set global formatting styles that unify the design of your reports, proposals, and other generated content.

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• Themes Documentation

Apply Character Formatting

The Document Solutions for Word .NET API gives developers precise control over text appearance with character-level formatting. Apply styles such as bold, italics, font size, or color to individual runs or even split text fragments for fine-grained customization. Using the Run, Text, and Font objects within a Range, you can dynamically format content exactly where needed—ideal for emphasizing keywords, highlighting sections, or building styled templates programmatically.

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Insert Paragraphs

Document Solutions for Word lets you programmatically insert and modify paragraphs using the Paragraph class. You can add new paragraphs to any section, update formatting such as alignment, indentation, borders, background shading, line spacing, and tab stops, and apply or update paragraph-level styles. Paragraphs can also be removed or reordered, making it easy to dynamically generate and structure professional DOCX documents.

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• Paragraph Documentation

Insert Sections & Columns

Using this .NET Word DOCX API programmatically insert and manage document sections using the Section class and AddSectionBreak method. Sections enable isolated layout changes such as switching to landscape orientation, customizing margins, or altering text flow within a specific portion of a DOCX file. Easily control the start type of each section—continuous, new page, column, even, or odd—and update section-level settings like paper size or orientation using the PageSetup property. DsWord also allows you to merge or remove sections entirely. This makes it simple to build dynamic, professional documents with distinct formatting and structural regions.

• View Sections Demo and Code
• View Columns Demo and Code
• Sections Documentation

Long Document

Document Solutions for Word can efficiently generate long-form documents entirely in code using C# or VB, making it ideal for scenarios like reports, logs, or content-heavy templates. Using the Paragraphs.Add method on a section’s range, developers can append hundreds or thousands of paragraphs—such as repeated text or dynamically generated content—without compromising performance. This .NET Word API is optimized to handle large document generation quickly and reliably.

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Add Text in Multiple Languages

This .NET server-side APIs makes it easy to work with multilingual content in the same document. Using the Settings and FontScheme classes, you can define theme fonts for various language cultures—including Latin, East Asian (e.g., Japanese), and complex scripts like Arabic—ensuring the correct font scripts are applied automatically. Document Solutions for Word also supports modern Office cloud fonts, which can be embedded to ensure consistent rendering across machines. Whether you're generating content in English, Japanese, Arabic, or a mix of languages, the library helps maintain consistent styling and formatting across all text runs without the need to manually set fonts on each one.

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• Fonts with Different Culture Languages Documentation

Embed Fonts

Document Solutions for Word enables complete font control, including embedding custom fonts for full document portability. You can define fonts using the FontInfo class, embed font data with EmbeddedFontCollection, and apply those fonts directly to text runs. DsWord also supports cloud fonts from Office 365 and multilingual font schemes using theme-based fallback logic. With the SaveOptions settings, you can ensure all used fonts—whether custom, rare, or region-specific—are embedded during export, so the document will render correctly even if the fonts aren't installed on the viewer’s machine.

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• Embedded Font Documentation

Convert Word Documents to PDF

Easily convert Word documents to PDF programmatically using C# or VB by invoking this .NET Word API’s SaveAsPdf method in the GcWordLayout class. Document Solutions for Word allows you to control PDF output through PdfOutputSettings, including options for compression level, background color, metadata, and PDF version. Whether you’re exporting simple text or complex layouts, you can reliably generate PDF files programmatically, ensuring consistent formatting and high performance.

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• Export to PDF Documentation

Export DOCX to Images

Document Solutions for Word makes it easy to export DOCX files to common image formats including TIFF, PNG, and JPEG. Using the GcWordLayout class and methods like SaveAsTiff, SaveAsPng, and SaveAsJpeg, you can render one or more pages to images with customized resolution, zoom, background color, and compression. Whether you’re generating previews or extracting individual pages for display, the ImageOutputSettings class gives you control over the output quality and appearance.

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• Export to Images Documentation

Convert DOCX to SVG

Document Solutions for Word allows .NET developers to easily export individual DOCX pages as SVG or SVGZ in C# or VB using the SaveAsSvg and ToSvgz methods on the GcWordLayout.Page class. These formats are ideal for scalable rendering in web applications or graphic workflows. You can adjust rendering with ImageOutputSettings and optionally output compressed SVGZ data as a byte array. Note that while SVG exports offer high visual fidelity, text is rendered as paths and is not selectable or copy-able in the browser. Some advanced shapes and formatting features may have limited support.

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• Export to SVG Documentation

Markdown (.md) to DOCX

You can combine Document Solutions for Word with the Markdig library to convert Markdown (.md) files into Word (.docx) files. This .NET work API handles the document creation, while Markdig parses the Markdown syntax. This workflow is ideal for generating formatted documentation, changelogs, or technical specs directly from Markdown all within a .NET server-side app. The conversion logic is implemented in a custom WordRenderer class, which transforms parsed Markdown into Word elements that DsWord can render and export.

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Copy or Move Document Content

Document Solutions for Word’s .NET API makes it easy to restructure Word documents by copying or moving content like paragraphs, tables, and images. Using the CopyTo and MoveTo methods, you can perform these operations either within the same document or across multiple documents. You can preserve formatting using the Copy or KeepSource strategy, or reset it with the Clear option. When copying between documents, our Word API can intelligently handle style name conflicts to avoid formatting overrides. Whether you're merging files, building templates, or reordering content, these features provide flexible control over how document elements are reused and displayed.

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• Copy or Move Documentation

Split or Merge

Developers can programmatically split and or merge MS Word documents using C# or VB while having full control over formatting retention. The SplitDocument method allows you to extract specific sections or ranges into separate documents, ideal for dividing reports or generating personalized files. Conversely, MergeDocuments combines the contents of multiple documents into a single file, preserving or clearing styles depending on your chosen FormattingCopyStrategy. These features streamline document assembly and organization tasks, whether you're managing templates, generating output for distribution, or compiling content from various sources.

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• View Split Demo and Code
• Table Slicers Documentation

Page Settings

Document Solutions for Words allows DEVs to programmatically manage all aspects of Word DOCX page setup and layout. Control page size, orientation, and borders using the PageSetup class, and define how documents are printed using multipage printing options. Add or remove page breaks to structure long documents, and configure page numbering formats and start values. You can also insert footer-based fields to visually display page numbers.

• Page Settings Documentation

Add Table of Content

This .NET Word API lets you programmatically add a dynamic Table of Contents (TOC) to your Word documents using the TocFieldOptions class. You can build a TOC based on specific heading levels, TC fields, or SEQ fields, and fully control how each entry appears—whether as a flat list or with hierarchical levels. Options include showing page numbers, creating hyperlinks, filtering by bookmarks, and applying custom formatting. Once inserted, the TOC is automatically populated and updated with page references for each section in the document, helping readers navigate large reports, manuals, or structured documents.

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• TOC Field Options Documentation

Add Shapes

This .NET Word server-side API enables developers to add and customize a wide range of shapes in Word documents through a unified object model using C# or VB. Whether you’re inserting basic shapes, text boxes, pictures, canvas containers, grouped shapes, or even online videos, the ShapeBase class and its derivatives give you full control over formatting, layout, and interaction. You can adjust properties like position, rotation, wrapping, alternative text, hyperlinks, and style presets. The Document Solutions for Word API also supports themed shape styles and formatting options, allowing you to maintain visual consistency across diagrams, annotations, and design elements in your documents.

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• Shapes Documentation

Add Images

Document Solutions for Word’s .NET API makes it easy to embed images into your Word documents by adding pictures directly within text runs programmatically. You can control the image’s placement on the page, adjust offsets, define width and height, and apply formatting like border thickness and color. The Picture class provides access to image metadata and styling features, allowing you to fine-tune alignment, fill types, and alt text. Whether you’re inserting icons, screenshots, or diagrams, our .ENT API ensures your images are displayed clearly and consistently across all DOCX outputs.

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• Picture Documentation

Add Video Links

The .NET Word server-side API can be used to embed online videos in your Word documents using a visual placeholder and a direct video URL. Simply create a picture element and assign a video link using the SetUrl method. This method supports optional parameters like width, height, and title, making it easier to define video metadata without manually writing embed HTML. You can also set a poster frame image that displays before the video is played. Additionally, Document Solutions for Word allows you to redefine click and hover actions using hyperlink properties—perfect for customizing the viewer experience or redirecting to alternative content. While Word itself may ignore some sizing parameters, these settings are useful when viewed in compatible applications that support video playback from documents.

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• Online Video Documentation

Insert Headers & Footers

Document Solutions for Word allows developers to insert and manage headers and footers using the HeaderFooter and HeaderFooterCollection classes. Headers and footers can differ across the first, odd, and even pages of a section using the HeaderFooterType enumeration. You can define unique header and footer content for each type, control whether headers and footers are linked between sections, and specify layout behavior with properties like DifferentFirstPageHeaderFooter and OddAndEvenPagesHeaderFooter. Use the Body property of each header or footer to add paragraphs, modify text, or clear content entirely. Headers and footers are not part of the main document body, making them ideal for structured page information like page numbers, document titles, and section labeling.

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• Header and Footer Documentation

Add Footnotes

This server-side API library provides full control for inserting, customizing, and managing both footnotes and endnotes in Word documents using C# or VB. Footnotes appear at the bottom of a page, while endnotes can be placed at the end of a section or the entire document. Use the FootnoteOptions and EndnoteOptions classes to configure location, numbering rules, and styles. Add notes through the Add method on the FootnoteCollection or EndnoteCollection of any content range. You can modify note content by updating the text body or remove notes entirely with the Delete method. This feature is useful for referencing sources, clarifying document content, or adding additional remarks inline with your text.

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• Footnote and Endnote Documentation

Add Bookmarks

Document Solutions for Word supports inserting and managing bookmarks to help users navigate large documents. A bookmark defines a named range within the document, allowing you to jump to that location through hyperlinks. Use the Bookmarks.Add method to tag a paragraph or section, and then create an in-document link using the Hyperlinks.Add method. You can update bookmark names and their associated hyperlinks, or delete them when they’re no longer needed. Bookmarks are especially helpful for creating interactive navigation in long-form documents or structured templates.

• Bookmark Documentation

Add Effects

This .NET Word API lets you add a variety of visual effects to text for greater impact and readability. Use Font.Fill and Font.Line to apply solid or gradient fills and outlines, and control how they interact with Font.Color. Add depth with shadow effects using either built-in presets or fully customizable OuterShadow settings. For a sleek, modern look, apply reflection or glow using built-in styles or tweak properties directly via the Reflection or Glow objects. You can also give your text a dimensional feel with 3D formatting using the ThreeDFormat and ThreeDScene classes, or apply presets with ApplyEffectsPreset. These effects work well for headings, stylized callouts, or any section requiring a visual emphasis. Note that text effects are visible in Word but are not exported when saving to PDF or images.

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• Font Effects Documentation

Add Comments

This .NET Word API enables developers to programmatically add, modify, and manage comments within Word documents. Comments are added using the Add or Insert methods of the CommentCollection class and can include metadata like author name and initials. You can attach a comment to specific content, reply to it using the Reply method, or mark it as resolved by setting Done = True. To delete a comment or its reply, simply call the Delete method on the corresponding Comment object. This functionality supports collaborative editing, peer review, and feedback workflows within document-based applications.

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• Comments Documentation

Support for Office Math

Document Solutions for Word provides full support for Office Math, allowing developers to programmatically insert and edit complex mathematical content such as fractions, radicals, matrices, functions, limits, and more using C# or VB. Developers can add equations inline using the OMath class or as entire paragraphs using the OMathParagraph class. Various equation structures like accent, delimiter, matrix, and built-in expressions are supported via specialized types such as OMathFraction, OMathFunction, and OMathMatrix.

Additionally, Document Solutions for Word supports MathML import through the MathMLConverter class, enabling seamless integration of web-based math formats into Word documents. Built-in enumerations simplify the creation of standard equations like area of a circle. While rich editing and equation layout are fully supported in Word, current limitations include no export support for Office Math to PDF or image formats.

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• Office Math Documentation

Create Simple Tables

The Document Solutions for Word .NET API library makes it easy to create and manipulate tables within Word documents. You can programmatically build tables by defining rows and columns, adding content to individual cells, and applying consistent formatting with custom styles. The Table class provides access to the entire table structure, while Row and Cell classes let you fine-tune the layout and content.

You can modify alignment, apply autofit, merge cells, and even embed images directly inside table cells. Rows and cells support individual formatting properties, including padding, alignment, flow direction, and more. This library also supports splitting tables, managing row indices, and retrieving or applying named styles for better consistency. Whether you’re building data tables or layout structures, our .NET DOCX server-side API offers all the tools needed to dynamically generate and edit tables in C# or VB.NET.

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• Tables Documentation

Create Nested Tables

This .NET Word API library supports nested tables, allowing you to embed one table inside the cell of another. This is useful for building advanced layouts such as form sections, nested headers, or grouped data blocks.

To create a nested table, first add a standard table to your document and locate the target cell using the Rows and Cells collections. Then, use the Tables.Add() method on that cell’s range to insert a secondary table. You can format both parent and nested tables independently using named styles, custom borders, padding, and alignment options. The nested content behaves like standard table data, making it easy to modify, style, or expand as needed.

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Apply Table Styles

Document Solutions for Word lets you design and apply reusable table styles to enhance the visual structure of your documents. You can define a table style using the StyleCollection.Add method with StyleType.Table, then customize it with options like border styles, column striping, padding, and color. Once defined, the style can be applied to any table using the Style property. You can also set additional metadata such as the table’s title, description, and alignment using the TableFormat class. These styles improve consistency across documents and simplify layout management for tables with repeating formats.

• Set Table Styles Documentation

AutoFit Table

Document Solutions for Word supports automatic resizing of table cells based on their content with the AllowAutoFit property. When enabled, this setting dynamically adjusts the width and height of table cells so that text and other content fit naturally without manual intervention. This ensures optimal layout and readability, especially when working with variable-length data or dynamically generated content. You can enable AutoFit by setting t.Format.AllowAutoFit = true on the desired table.

• Autofit Table Documentation

Apply Conditional Styles

This .NET Word API lets you define conditional styles in table formatting to enhance the visual structure and readability of large tables. By applying a custom table style with TableStyleOptions, you can conditionally style specific rows, columns, and regions like the first/last row, first/last column, or corner cells. For example, use alternating colors for row and column bands, highlight header cells, or apply unique formatting to edge cells. This approach improves clarity in data presentation and enables dynamic visual rules that update as the table content changes.

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Apply Grid Spans

Using Document Solutions for Word developers can merge table cells horizontally using the GridSpan property. This visually extends a cell across multiple columns, allowing you to create cleaner layouts and group related content. To apply a grid span, set the GridSpan value on a target cell and remove the now-overlapped adjacent cells. This approach ensures the table remains structured while providing flexible formatting for headers, section breaks, or multi-column data rows.

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Alternating Rows

Our .NET Word API makes it easy to style tables with alternating row colors for improved readability. By enabling the RowBands option in the table’s StyleOptions and setting the RowStripe property, you can define unique background colors for odd and even rows. Use the Conditionals collection on the table style to customize each band, allowing for dynamic, visually distinct rows without manually formatting each one.

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Password Protect Exported PDF

When exporting a Word document to PDF using our .NET server-side API’s GcWordLayout, developers can apply password protection and control user permissions. Set a user password to restrict access, then configure the security handler to disable actions like copying, printing, or editing the PDF. This is especially useful for protecting confidential content in distributed reports, contracts, or legal documents.

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Word Document Protection

Using a .NET server-side API, developers can apply various protection settings to MS Word documents using the DocumentProtection and EditProtection classes. You can set passwords to restrict edits, recommend read-only mode, or mark a document as final to discourage changes. For more control, editing restrictions allow modes such as read-only with editable ranges or comment-only mode. You can also limit formatting by locking styles or blocking theme and style set changes. These protections help ensure content integrity during collaboration or when distributing finalized documents.

• Protection Documentation

Add, Modify, or Delete Simple Fields

Dynamically insert content into MS Word documents programmatically using fields, which are defined by FieldCode instructions and rendered as FieldResult. Simple fields—like DATE and TIME—can be added using SimpleFieldCollection.Add, allowing dynamic text to appear in a single, formatted run. You can modify these fields by updating the Code property or remove them entirely with the Delete method. For more advanced logic or differently formatted output spans, use complex fields that combine nested conditions and formatting. Both field types support full programmatic control for dynamic document generation and updates.

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• Fields Documentation

Hyperlink Fields

You can easily add hyperlinks to Word documents using the Hyperlinks collection on any text range. Document Solutions for Word’s .NET library supports creating external links to websites and internal links to bookmarks within the document. Each hyperlink can include custom screen tips and use built-in or user-defined styles for visual consistency. To create an internal link, define a Bookmark on a paragraph and reference its name in the hyperlink target. The API provides multiple overloads of Hyperlinks.Add() so you can specify everything from the link URI to the tooltip text and display text, enabling fully interactive document navigation.

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Insert Date/Time Fields

Use Document Solutions for Word to display DATE and TIME fields in a generated Word document with default or custom formats. While this .NET Word API does not auto-calculate fields during rendering, you can programmatically insert field codes alongside calculated values using SimpleFields.Add(code, value). This approach allows full control over date/time presentation, such as formatting dates as yyyy-MM-dd, MMMM d, yyyy, or including timestamps like h:mm:ss am/pm. Combine fields with styled tables to demonstrate format examples or generate dynamic headers, footers, or report timestamps.

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Complex Fields

Document Solutions for Word allows you to build advanced document automation using complex fields composed of nested instructions. For example, you can use the ComplexFields.Add() method to create a conditional IF field that evaluates a DATE field. Based on the result—such as whether today is New Year’s Day—you can inject formatted text like “not” in bold. Each condition and nested field is constructed using the CodeFields collection, enabling flexible logic within documents. These complex fields are ideal for generating dynamic phrases, legal clauses, or custom statements based on live values. You can also update or remove them using ComplexFields.First.CodeFields[n] or Delete().

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• Add Complex Fields Documentation

PAGE/NUMPAGES Options

This.NET Word API lets you insert dynamic page numbers using the PAGE field and tailor their formatting through PageFieldOptions. You can assign different number styles—for example, decimal for headers and Roman numerals for the body—by configuring NumberStyle before calling AddComplexField(). PAGE fields can be embedded in any section of your document, and styles like IndexHeading can be applied to maintain consistent formatting. After insertion, run UpdateFields() with the desired culture to ensure all fields are correctly rendered before exporting or printing.

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• Page Field Options Documentation

PAGEREF & SECTION/SECTIONPAGES Options

Use the server-side APIs PAGEREF field to insert the page number where a specific bookmark is located. DEVs can programmatically customize its appearance and behavior using PageRefFieldOptions, including hyperlinking to the bookmark and displaying relative location. Meanwhile, the SECTION field displays the current section number, and the SECTIONPAGES field shows how many pages exist in the current section. These fields help automate complex layouts, such as inserting cross-references, tracking content within multi-section documents, or building "Page X of Y in Section Z" formatting. All fields support styling and number formats and can be updated programmatically before saving.

• View PAGEREF Demo and Code
• View SECTION/SECTIONPAGE Demo and Code
• Pagination Properties and Functions Documentation

SEQ, TOC, TC, & INDEX/XE Fields

Use the powerful field automation to manage structured content in your documents. Add SEQ fields to generate and manage numbered sequences across sections or custom series, such as figures or tables. Use TOC fields to automatically generate a table of contents by collecting styled paragraphs or custom entries from TC fields. TC fields allow you to tag content for inclusion in the TOC, with support for custom display levels and optional page numbers.

You can also insert XE fields to mark terms for inclusion in a back-of-document index. Combine this with the INDEX field to automatically build and format an alphabetical index using options like columns, heading styles, and cultural sorting. Document Solutions for Word gives you full control over field behavior, formatting, and structure—supporting both cross-referenced page ranges and structured hierarchies within index entries.

Each field type can be configured programmatically using C# or VB, updated with localized formatting, and combined into larger automation scenarios for enterprise-grade documentation workflows.

• View SEQ Demo and Code
• View TOC Demo and Code
• SEQ Field Documentation

Content Controls

Document Solutions for Word’s server-side API lets developers add and manage content controls to build dynamic, form-like Microsoft Word documents. These controls—defined by the ContentControl class—include plain text, rich text, dropdown lists, checkboxes, dates, building blocks, and more. Use them to structure templates, guide user input, and lock or repeat content as needed. You can customize each control’s appearance, apply placeholder text, and bind it to custom XML parts or built-in document properties for data-driven automation.

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Create a DOCX Report Template

Document Solutions for Word allows developers to create DOCX report templates using a mix of static content and dynamic placeholder fields (e.g., {{ds.name}}). These templates can be bound to data sources at runtime, automatically generating customized Word documents like rental agreements, consulting contracts, or address labels. This approach improves document accuracy, eliminates repetitive editing, and saves time by supporting advanced formatting, layout flexibility, and batch processing across platforms. Templates are fully compatible with Windows, Linux, and macOS environments.

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• Data Templates Documentation

Add Tables to Reports

Document Solutions for Word’s Report Templates support inserting tables into DOCX layouts to display structured data from JSON-like sources. You can add standard tables, repeat rows for list-style data, or use 2D arrays to dynamically generate both rows and columns. This flexibility allows developers to programmatically create responsive templates for student records, sales reports, schedules, and more—automating layout rendering at runtime. Each table binds to the data source via template tags, reducing manual formatting and ensuring accurate output.

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• Table Documentation

Add Templates Formatters

The .NET Word API, Document Solutions for Word’s Report Templates offer a wide range of formatters to dynamically style and structure content within Word documents. Formatters let you hide blocks based on conditions (hbi-equals, hbi-empty, etc.), transform values (like toupper, substring, or format(N2)), and manipulate data types or image output. Specialized formatters support dates (year, dayofweek), arrays (length, count), and type conversions (todouble, tobool). Formatters are appended to template tags and support chaining for layered effects. They help create clean, reusable templates with minimal manual intervention.

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• Formatters Documentation

Add Calculations

Document Solutions for Word lets you embed powerful calculations directly into your .NET DOCX templates using the calc keyword. This feature supports arithmetic operators, aggregation functions like Sum and Average, and expression-based logic across one or more data sources. You can combine multiple collections, constants, and operations within a single expression. This .NET server-side API also offers the Format function to localize numeric and date outputs or customize results for different cultures. These calculation tools streamline report generation by automating totals, averages, and data formatting within templates—no manual post-processing required.

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• Template Calculation Documentation

Data Source Binding

This .NET Word API supports flexible data source binding to populate Word templates with live data during document generation. You can bind structured sources like DataTable or DataSet for relational data, or use objects, lists, arrays, or variables for custom or simple content. DsWord also supports binding JSON data via files, strings, streams, or deserialized objects like JsonDocument or JToken. Use template tags to access properties with dot notation (e.g., {{ds.Name}}) and control missing fields with the MissingFieldsHandling setting. Whether working with enterprise databases or lightweight data structures, DsWord streamlines report generation by connecting your templates to the data they need.

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• Data Source Binding Documentation

Bind Multiple Data Sources

These .NET DOCX Report Templates support binding multiple data sources, allowing developers to populate different sections of a MS Word document with independent sets of data. Each source—such as JSON arrays or objects—is added with a unique alias using the DataSources.Add() method. Template tags must reference their source explicitly (e.g., {{makes.make}} and {{styles.style}}) to avoid ambiguity. This is especially useful for generating documents that present multiple lists or types of information in parallel, such as product catalogs, data summaries, or grouped content blocks. Always use fully qualified tag paths to prevent exceptions when fields share similar names across sources.

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• Multiple Data Sources Documentation

Create Nested Lists

This .NET Word library allows you to create nested, multilevel lists using structured data sources such as arrays of objects with nested collections. By applying different list templates and using hierarchical template tags, you can display data such as parent-child relationships in list format—for example, organizations and their offices, or oceans and their seas. Each list level is bound to a corresponding depth in the data structure, and you can control formatting using built-in list styles. This feature supports dynamic generation of complex list hierarchies directly from data, making it ideal for structured reports and documentation.

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• Multilevel Documentation

Template Validation

This .NET Word server-side API supports built-in template validation to help identify errors such as incorrect tag structure or missing data paths in your Word report templates. Using the Validate method of the DataTemplate class, you can inspect your document for issues before processing it. Optionally, set validation to true to annotate errors directly in the document with descriptive messages. This allows you to fix template problems more efficiently and ensure the output document is generated correctly. Validation focuses on syntax and data-binding issues and is especially useful during template authoring or debugging stages.

• Template Validation Documentation

MailMerge Bookmarks

Document Solutions for Word’s .NET server-side API lets you perform mail merge operations using bookmarks in a Word DOCX template. By placing bookmarks around placeholder text, you can programmatically replace each bookmarked section with actual data—such as names, addresses, or custom fields—using the Bookmarks collection and manipulating the text range. This approach is ideal for scenarios like generating letters, invoices, or labels, where you want precise control over placement and formatting without using full data templates. Each replacement preserves the formatting of the first bookmarked run, ensuring consistent document styling.

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