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‎Document-Processing-toc.html‎

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<li>
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<a href="/document-processing/nuget-packages">NuGet Packages</a>
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</li>
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<li>
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<a href="/document-processing/DataExtraction/overview">DataExtraction</a>
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<ul>
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<li>
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<a href="/document-processing/DataExtraction/overview">NET</a>
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<ul>
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<li>
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<a href="/document-processing/DataExtraction/SmartDataExtractor/NET/overview">DataExtractor</a>
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<ul>
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<li>
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<a href="/document-processing/DataExtraction/SmartDataExtractor/NET/Assemblies-Required">Assemblies Required</a>
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</li>
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<li>
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<a href="/document-processing/DataExtraction/SmartDataExtractor/NET/NuGet-Packages-Required">NuGet Packages Required</a>
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</li>
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<li>
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<a href="/document-processing/DataExtraction/SmartDataExtractor/NET/Features">Features</a>
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</li>
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<a href="/document-processing/DataExtraction/SmartDataExtractor/NET/FAQ">FAQ</a>
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<ul>
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<li>
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<a href="/document-processing/DataExtraction/SmartDataExtractor/NET/FAQ/how-to-resolve-the-onnx-file-missing-error-in-smart-data-extractor">How to resolve the “ONNX file missing” error</a>
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</li>
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</ul>
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</li>
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</ul>
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</li>
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</ul>
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<ul>
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<li>
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<a href="/document-processing/DataExtraction/SmartTableExtractor/NET/overview">TableExtractor</a>
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<ul>
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<a href="/document-processing/DataExtraction/SmartTableExtractor/NET/Assemblies-Required">Assemblies Required</a>
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</li>
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<li>
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<a href="/document-processing/DataExtraction/SmartTableExtractor/NET/NuGet-Packages-Required">NuGet Packages Required</a>
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<li>
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<a href="/document-processing/DataExtraction/SmartTableExtractor/NET/Features">Features</a>
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<a href="/document-processing/DataExtraction/SmartTableExtractor/NET/FAQ">FAQ</a>
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<ul>
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<a href="/document-processing/DataExtraction/SmartTableExtractor/NET/FAQ/how-to-resolve-the-onnx-file-missing-error-in-smart-table-extractor">How to resolve the “ONNX file missing” error</a>
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</li>
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</ul>
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</li>
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</ul>
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</li>
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</ul>
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<a href="/document-processing/pdf/overview">PDF</a>
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</ul>
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<li>SmartDataExtractor
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<a href="/document-processing/dataextraction/overview">DataExtraction</a>
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<a href="/document-processing/smartdataextractor/smartformrecognizer/net/overview">SmartFormRecognizer</a>
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<a href="/document-processing/dataextraction/smartformrecognizer/net/overview">SmartFormRecognizer</a>
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<li> NET
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<a href="/document-processing/smartdataextractor/smartformrecognizer/net/smart-form-recognizer">OverView</a>
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<a href="/document-processing/dataextraction/smartformrecognizer/net/smart-form-recognizer">OverView</a>
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<a href="/document-processing/smartdataextractor/smartformrecognizer/net/assemblies-required">Assemblies Required</a>
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<a href="/document-processing/dataextraction/smartformrecognizer/net/assemblies-required">Assemblies Required</a>
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<a href="/document-processing/smartdataextractor/smartformrecognizer/net/nuGet-packages-required">NuGet Packages Required</a>
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<a href="/document-processing/dataextraction/smartformrecognizer/net/nuGet-packages-required">NuGet Packages Required</a>
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<a href="/document-processing/smartdataextractor/smartformrecognizer/net/working-with-recognize-option">Working With Recognize Options</a>
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<a href="/document-processing/dataextraction/smartformrecognizer/net/working-with-recognize-option">Working With Recognize Options</a>
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<a href="/document-processing/smartdataextractor/smartformrecognizer/net/recognize-forms">Recognize Forms</a>
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<a href="/document-processing/dataextraction/smartformrecognizer/net/recognize-forms">Recognize Forms</a>
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‎Document-Processing/DataExtraction/SmartDataExtractor/NET/Assemblies-Required.md‎

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---
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title: Extract structured data from PDF & image Files in .NET | Syncfusion
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description: Syncfusion® Smart Data Extractor is a .NET library that extracts tables, forms, text, and images from documents, producing PDFs and JSON.
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platform: document-processing
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control: SmartDataExtractor
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documentation: UG
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keywords: Assemblies
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---
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# Assemblies Required to work with SmartDataExtractor
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The following assemblies need to be referenced in your application based on the platform.
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<table>
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<thead>
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<tr>
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<th>Platform(s)</th>
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<th>Assembly</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>
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{{'[WPF]'| markdownify }},
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{{'[Windows Forms]'| markdownify }} and {{'[ASP.NET MVC]'| markdownify }}
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</td>
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<td>
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Syncfusion.Compression.Base<br/>
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Syncfusion.ImagePreProcessor.Base<br/>
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Syncfusion.OCRProcessor.Base<br/>
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Syncfusion.Pdf.Imaging.Base<br/>
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Syncfusion.Pdf.Base<br/>
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Syncfusion.PdfToImageConverter.Base<br/>
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Syncfusion.SmartFormRecognizer.Base<br/>
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Syncfusion.SmartTableExtractor.Base<br/>
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</td>
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</tr>
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<tr>
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<td>
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{{'[Blazor]'| markdownify }},
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{{'[.NET Core]'| markdownify }}
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and {{'[.NET Platforms]'| markdownify }}
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</td>
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<td>
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Syncfusion.Compression.Portable<br/>
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Syncfusion.ImagePreProcessor.Portable<br/>
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Syncfusion.OCRProcessor.Portable<br/>
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Syncfusion.Pdf.Imaging.Portable<br/>
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Syncfusion.Pdf.Portable<br/>
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Syncfusion.PdfToImageConverter.Portable<br/>
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Syncfusion.SmartFormRecognizer.Portable<br/>
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Syncfusion.SmartTableExtractor.Portable<br/>
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</td>
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</tr>
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<tr>
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<td>
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{{'[.NET Multi-platform App UI (.NET MAUI)]'| markdownify }}
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</td>
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<td>
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Syncfusion.Compression.NET<br/>
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Syncfusion.ImagePreProcessor.NET<br/>
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Syncfusion.OCRProcessor.NET<br/>
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Syncfusion.Pdf.Imaging.NET<br/>
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Syncfusion.Pdf.NET<br/>
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Syncfusion.PdfToImageConverter.NET<br/>
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Syncfusion.SmartFormRecognizer.NET<br/>
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Syncfusion.SmartTableExtractor.NET<br/>
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</td>
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</tr>
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</tbody>
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</table>
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‎Document-Processing/DataExtraction/SmartDataExtractor/NET/FAQ/how-to-resolve-the-onnx-file-missing-error-in-smart-data-extractor.md‎

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---
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title: Extract structured data from PDF & image Files in .NET | Syncfusion
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description: Syncfusion® Smart Data Extractor is a .NET library that extracts tables, forms, text, and images from documents, producing PDFs and JSON.
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platform: document-processing
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control: SmartDataExtractor
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documentation: UG
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keywords: Assemblies
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---
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# How to resolve the “ONNX file missing” error in Smart Data Extractor
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Problem:
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When running Smart Data Extractor you may see an exception similar to the following:
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```
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Microsoft.ML.OnnxRuntime.OnnxRuntimeException: '[ErrorCode:NoSuchFile] Load model from <path>\runtimes\models\syncfusion_doclayout.onnx failed. File doesn't exist'
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```
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Cause:
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This error occurs because the required ONNX model files (used internally for layout and data extraction) are not present in the application's build output (the project's `bin` runtime folder). The extractor expects the models under `runtimes\models` so the runtime can load them.
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Solution:
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1. Run a build so the application output is generated under `bin\Debug\netX.X\runtimes` (or your configured build configuration and target framework).
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2. Locate the project's build output `bin` path (for example: `bin\Debug\net6.0\runtimes`).
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3. Place all required ONNX model files into a `runtimes\models` folder inside that bin path.
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4. In Visual Studio, for each ONNX file set **Properties → Copy to Output Directory → Copy always** so the model is included on every build.
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5. Rebuild and run your project. The extractor should now find the ONNX models and operate correctly.
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Notes:
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- If you publish your application, ensure the `runtimes\models` folder and ONNX files are included in the publish output (you may need to mark files as content in the project file or use a <Content> entry).
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- If you prefer an automated approach, add the ONNX files to your project with `CopyToOutputDirectory` set, or create a post-build step to copy the models into the runtime folder.
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If the problem persists after adding the model files, verify file permissions and the correctness of the model file names.

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