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  1. Working with XMP metadata | GroupDocs

    This article shows how to access XMP metaData in a file of any supported format.... It defines a data structure, serialization model...media formats. The defined XMP data model can be used to store any...

    docs.groupdocs.com/metadata/net/working-with-xm...
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  2. Template Syntax - Part 2 of 2 | GroupDocs

    Note This article is the second part of the Template Syntax series of articles. For first part, please visit Template Syntax - Part 1 of 2. Outputting Expression Results You can output expression results to your reports using expression tags. An expression tag denotes a placeholder for an expression result within a template. While building a report, the corresponding expression is evaluated, and this placeholder is replaced with the formatted result of the expression....dd" >> Outputting Sequential Data You can output a sequence of...to your report using a data band. A data band has a body that represents...

    docs.groupdocs.com/assembly/net/template-syntax...
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  3. NullReferenceException when extracting PDF file...

    Hello, We are getting an exception when extractor some PDF files… System.NullReferenceException: Object reference not set to an instance of an object.\r\n at Aspose.Pdf.Facades.PdfExtractor.GetAttachNames()\r\n at …...file you are trying to extract data from is not corrupted and actually...further reading on extracting data from PDF forms and handling...

    forum.groupdocs.com/t/nullreferenceexception-wh...
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  4. Can not iterate over an instance of type 'Syste...

    Good day, we need some help with two issues which are best illustrated with a simple example. Take a default setup, with: Options = DocumentAssemblyOptions.AllowMissingMembers JsonDataSource: {} Template: <<var [b…...AllowMissingMembers ; <<var [bar = data.propertyThatMayOrMay.Collection]>>...consider transformation of your data being passed to DocumentAssembler...

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  5. Convert PNG to JPG with Python

    Learn how to convert PNG to JPG with Python without installed extra software. This topic also provide a code eample that explains how to export PNG to JPG in Python....Converter instance by providing the source PNG file path to open the document...API correctly converts pixel data while handling color space adjustments...

    kb.groupdocs.com/conversion/python/convert-png-...
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  6. Convert TXT to PPTX using Node.js

    Quickly convert TXT to PPTX using Node.js for seamless presentation creation. This guide helps you export TXT to PPTX in Node.js with reliable and fast conversion APIs....slide decks from logs, notes, or data exports, the conversion process...specifying the path to your source TXT file to prepare it for...

    kb.groupdocs.com/conversion/nodejs/convert-txt-...
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  7. Edit Excel Files in C# | Build your own Online ...

    Editing Excel files is explained with C# examples to edit XLS, XLSX, ODS files within your .NET application using spreadsheet and document editing API.... The following C# source code edits the excel file and...Documents in C# Edit XML files Data using C# See Also # On-Premise...

    blog.groupdocs.com/editor/edit-excel-files-in-c...
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  8. Tags

    Document Automation APIs to enrich .NET and Java applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, redact, or classify documents of almost all the popular file formats....Password in Java 1 change exif data of images 1 change orientation...Convert Source Code to PDF in CSharp 1 Convert Source Code to...

    blog.groupdocs.com/zh/tags/
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  9. Merge PowerPoint Presentations | GroupDocs

    This article demonstrates how to merge PowerPoint presentation files of PPT, PPTX, ODP and may other formats with couple java code lines and GroupDocs.Merger for Node.js via Java....to accommodate presentation data such as: slides, shapes, text...instance of class and pass source PPSX file path as a constructor...

    docs.groupdocs.com/merger/nodejs-java/merge/pow...
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  10. eSign Presentation with Metadata signature | Gr...

    This article explains how to add metaData signatures to Presentation document with GroupDocs.Signature...metadata could keep big amount of data that allows provides ability...instance of class and pass source document path as a constructor...

    docs.groupdocs.com/signature/python-net/esign-p...
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