Frequently Asked Questions
14 Jul 20258 minutes to read
The frequently asked questions under each category in Essential® DocIO are listed below.
Word Document
- How to open a document from stream using DocIO?
- How to attach a Template to a Word document?
- How to check the compatibility mode of the Word document?
- Which units does Essential® DocIO uses for measurement properties such as size, margins, etc, in a Word document?
- How to convert Units (cm, mm, or inches) to Points for DocIO?
- Why does the ‘File Not Supported’ exception occur in Syncfusion® DocIO?
- Why do documents remain locked after use?
- Can DocIO perform line-by-line comparisons for Word documents?
- Why it is not possible to access the Word document contents page by page?
- Why “Wrong signature” exception thrown while trying to opening a .xml file using DocIO library?
- How to set the current culture while running the .NET application?
- Is it possible to split Word document by pages using DocIO?
- How to check if two Word documents have the same content while ignoring formatting changes?
- Is it possible to set a watermark for only the first page of a Word document?
- Why does the item index in a Word document differ from the DocIO library?
- How to view Word documents in my .NET MAUI application using DocIO?
- How to identify if a Word document is in portrait or landscape?
- How to save the Word document with same compatibility using DocIO?
- How to create a Word document using DocIO in a python wrapper-based web API using .NET Core Word library?
- How to integrate DocIO functionality in Node.js using ASP.NET Core Web API?
- Is it possible to fetch the page number of Word document elements using DocIO?
- Is it possible to download a Word document from an AWS S3 bucket and use it in DocIO?
- Can DocIO open or process MPIP-protected Word documents?
- Why does content imported from one Word document to another start on a new page, even without a section break?
- Does DocIO process corrupted Word documents?
Sections
Paragraph and Paragraph Items
- How to modify an existing style?
- How to set OpenType Font Features?
- How to extract the images in the document?
- Can the chart data be refreshed?
- How to detect the shape type in a Word document?
- Is it possible to change the DATE field value in a Word document using DocIO?
- How to set the date format on the horizontal axis of a chart in a Word document?
- How to replace placeholders in a Word document with merge fields?
- Can the auto-scale option be set for 2D charts in a Word document?
- Does importing content using keep source formatting option copy the format from the style to the destination document?
- Are strip lines on charts supported in DocIO?
- How to enable the “Don’t add space between paragraphs of the same style” option for paragraphs in a Word document?
- Why do paragraphs have spacing when appending HTML into Word document using AppendHTML() API?
- Can the border radius be set for shapes in a Word document?
- Why is the UpdateTableOfContents() method not accessible in a cross-platform application?
- Why does the item index in a Word document differ from the DocIO library?
- Is it possible to create a Spline chart in a Word document using DocIO?
- Why does an exception occur while manipulating found text using Find APIs?
- Why is some text not found in a Word document when using the Find functionality in DocIO?
- [Why is a bookmark name with a hyphen (-) converted to an underscore () in DocIO?](https://help.syncfusion.com/document-processing/word/word-library/net/faqs/paragraph-and-paragraph-items-faqs#why-is-a-bookmark-name-with-a-hyphen—converted-to-an-underscore--in-docio)
- Why is formatting not preserved after calling GetAsOneRange()?
Mail merge
- Is it possible to format merge fields with image formats before performing a mail merge?
- Why does DocIO use merge field values from the parent group when the nested group data does not contain a value?
- How to identify merge fields that do not exist in the data source?
- Why is each record merging on a new page during mail merge?
- Why does TryAdd() not work with ExpandoObject in .NET Framework 4.8?
- Why do merge fields disappear when running mail merge multiple times?
Tables
- How to insert a DataTable in a Word document?
- How to insert a table from HTML string in Word document?
- How to set table cell width?
- How to position a table in a Word document?
- How to set the text direction to a table in Word document?
- How can I obtain the height of a cell or row in a Word document using the DocIO library?
- Why does setting the top or bottom padding for one cell in a Word document apply the same padding to all cells in the row?
- Is it possible to insert a page break inside a table using DocIO?
- How to access a specific cell in a table in a Word document?
- Is it possible to access and edit the content of a table in a Word document?
Track Changes
- How to check whether a Word document contains tracked changes or not?
- How to accept or reject track changes of specific type in the Word document?
- How to enable track changes for Word document?
- What happens when Word documents with track changes are used for comparing?
- Why track changes color are different in Word document?
- Is it possible to track changes made programmatically using the DocIO library?
Word to PDF and Image conversions
- Could not find Syncfusion.OfficeChartToImageConverter assembly in .NET 3.5 Framework, does it mean there is no support for chart conversion in this Framework?
- Is it possible to convert 3D charts to PDF or image?
- Is it possible to specify PDF conformance level in Word to PDF conversion?
- Which one is better Azure App Service or Cloud Service for Word to PDF or image using DocIO?
- Why images are preserved as RedX images in Word to PDF or image conversion?
- Why are content controls not preserved as editable form fields in the converted PDF document even when PreserveFormFields is enabled?
- Why are some fonts missing when converting a Word document to PDF in the Syncfusion® demo application?
- How to edit a Word document in Microsoft Word and convert it to PDF/image simultaneously using the DocIO library?
- Are you experiencing font access problems in IIS during Word to PDF/Image, but not locally?
- How to resolve the “SKImageInfo” exception during Word to PDF or image conversion in Linux OS?
- Will the same fonts be rendered when exporting a document to a PDF file?
- Why is the chart not preserved during Word-to-PDF or image conversion in .NET Framework?
- How to convert Word document to PDF/A?
- How to validate the PDF conformance level in a DocIO-converted PDF?
- Why does memory usage appear high in Visual Studio after converting a Word document to PDF using DocIO?
- Is it possible to substitute fonts in a Word document?
- How does hyphenation work in Microsoft Word compared to Syncfusion® DocIO?
- How to identify the language of a specific word in a Word document?
- Why does hyphenation appear incorrectly or missing in the converted PDF?
- How to improve hyphenation accuracy during Word to PDF conversion?
- How to set custom Image Resolution in ASP.NET Core?
- What languages and Unicode support are available in the DocIO library?
- What are Web Layout View and Print Layout View in Microsoft Word, and which one does DocIO use for PDF conversion?
HTML and EPUB conversions
- How to set title when converting Word document to EPUB?
- Why are there blank spaces or empty paragraphs when converting HTML to Word?
- How DocIO handles HTML validation while importing HTML?
- How should measurement values be defined in HTML for proper processing with DocIO?
- Why does Syncfusion.Drawing.ColorTranslator.FromHtml not parse #rrggbbaa hex color notation correctly?
- How to verify whether styles and formatting in HTML are valid?
- How does AppendHtml() handle multiple paragraphs in an HTML string?
- Why do multi-column layouts in Word documents not appear correctly in HTML after conversion?
- How to apply custom fonts and sizes to mathematical equations in a Word document using DocIO?
- Why does a URL-referenced image show as a red X after appending HTML?
- How to preserve
<li>tags in HTML when converting a Word document using DocIO?
Linux
- How to copy necessary fonts to Linux containers?
- How to copy necessary Microsoft compatible fonts to Linux?
- How to install necessary fonts in Linux containers?
- How to set culture/locale in Docker containers (Windows and Linux containers)?
- How to resolve LibSkiaSharp not found exception?
- How to perform Word to PDF in Linux prior to v18.4 release?
- What are the NuGet packages to be installed to perform Word to PDF conversion in Linux OS?
- What are the NuGet packages to be installed to perform Word to Image conversion in Linux OS?
- Why does SkiaSharp throw a type initializer exception in Azure Function on macOS?