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Merge branch 'hotfix/hotfix-v32.2.3' into 989073-EndColumnPivotTable
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‎Document-Processing-toc.html‎

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<li><a href="https://ej2.syncfusion.com/angular/documentation/api/spreadsheet/">API Reference</a></li>
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</ul>
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</li>
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<li>
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<a href="/document-processing/excel/spreadsheet/blazor/overview">Blazor</a>
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<ul>
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<li>Getting Started
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<ul>
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<li><a href="/document-processing/excel/spreadsheet/blazor/getting-started-webapp">Blazor Web App</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/getting-started">Blazor WASM App</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/blazor-hybrid-maui-app">Blazor Hybrid MAUI App</a></li>
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</ul>
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</li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/open-and-save">Open and Save</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/worksheet">Worksheet</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/cell-range">Cell Range</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/merge-cell">Merge Cells</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/editing">Editing</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/formulas">Formulas</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/formatting">Formatting</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/contextmenu">Context Menu</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/rows-and-columns">Rows and Columns</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/filtering">Filtering</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/sorting">Sorting</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/hyperlink">Hyperlink</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/clipboard">Clipboard</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/selection">Selection</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/protection">Protection</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/undo-redo">Undo and Redo</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/performance-metrics">Performance Metrics</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/accessibility">Accessibility</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/events">Events</a></li>
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<li><a href="https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.Spreadsheet.SfSpreadsheet.html">API Reference</a></li>
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</ul>
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</li>
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<li>
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<a href="/document-processing/excel/spreadsheet/react/overview">React</a>
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<ul>
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<li><a href="/document-processing/excel/spreadsheet/wpf/Limitations">Limitations</a></li>
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</ul>
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</li>
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<li>
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<a href="/document-processing/excel/spreadsheet/blazor/overview">Blazor</a>
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<ul>
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<li>Getting Started
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<ul>
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<li><a href="/document-processing/excel/spreadsheet/blazor/getting-started-webapp">Blazor Web App</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/getting-started">Blazor WASM App</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/blazor-hybrid-maui-app">Blazor Hybrid MAUI App</a></li>
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</ul>
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</li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/open-and-save">Open and Save</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/worksheet">Worksheet</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/cell-range">Cell Range</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/merge-cell">Merge Cells</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/editing">Editing</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/formulas">Formulas</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/formatting">Formatting</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/contextmenu">Context Menu</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/rows-and-columns">Rows and Columns</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/filtering">Filtering</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/sorting">Sorting</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/hyperlink">Hyperlink</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/clipboard">Clipboard</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/selection">Selection</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/protection">Protection</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/undo-redo">Undo and Redo</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/accessibility">Accessibility</a></li>
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<li><a href="/document-processing/excel/spreadsheet/blazor/events">Events</a></li>
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<li><a href="https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.Spreadsheet.SfSpreadsheet.html">API Reference</a></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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<li>

‎Document-Processing/Excel/Excel-Library/NET/Working-with-Pivot-Charts.md‎

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{% endhighlight %}
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{% endtabs %}
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## Refresh PivotChart
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To refresh a PivotChart, update the PivotTable's cache data source so the chart uses the updated cached data.
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{% tabs %}
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{% highlight c# tabtitle="C# [Cross-platform]" playgroundButtonLink="https://raw.githubusercontent.com/SyncfusionExamples/XlsIO-Examples/master/Pivot%20Charts/Refresh%20Pivot%20Chart/.NET/Refresh%20Pivot%20Chart/Refresh%20Pivot%20Chart/Program.cs,180" %}
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using (ExcelEngine excelEngine = new ExcelEngine())
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{
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IApplication application = excelEngine.Excel;
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application.DefaultVersion = ExcelVersion.Excel2013;
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IWorkbook workbook = application.Workbooks.Open("PivotChart.xlsx");
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IWorksheet dataSheet = workbook.Worksheets[0];
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IWorksheet pivotSheet = workbook.Worksheets[1];
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// Update pivot cache source range to refresh the PivotChart
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(pivotSheet.PivotTables[0] as PivotTableImpl).Cache.SourceRange = dataSheet["A1:H50"];
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workbook.SaveAs("PivotChart_Refreshed.xlsx");
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}
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{% endhighlight %}
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{% highlight c# tabtitle="C# [Windows-specific]" %}
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using (ExcelEngine excelEngine = new ExcelEngine())
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{
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IApplication application = excelEngine.Excel;
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application.DefaultVersion = ExcelVersion.Excel2013;
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IWorkbook workbook = application.Workbooks.Open("PivotChart.xlsx");
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IWorksheet dataSheet = workbook.Worksheets[0];
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IWorksheet pivotSheet = workbook.Worksheets[1];
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(pivotSheet.PivotTables[0] as PivotTableImpl).Cache.SourceRange = dataSheet["A1:H50"];
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workbook.SaveAs("PivotChart_Refreshed.xlsx");
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}
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{% endhighlight %}
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{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}
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Using excelEngine As New ExcelEngine()
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Dim application As IApplication = excelEngine.Excel
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application.DefaultVersion = ExcelVersion.Excel2013
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Dim workbook As IWorkbook = application.Workbooks.Open("PivotChart.xlsx")
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' set these to the actual sheets in your file
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Dim dataSheet As IWorksheet = workbook.Worksheets(0)
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Dim pivotSheet As IWorksheet = workbook.Worksheets(1)
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DirectCast(pivotSheet.PivotTables(0), PivotTableImpl).Cache.SourceRange = dataSheet("A1:H50")
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workbook.SaveAs("PivotChart_Refreshed.xlsx")
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End Using
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{% endhighlight %}
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{% endtabs %}
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A complete working example to refresh pivot chart in C# is present on [this GitHub page](https://github.com/SyncfusionExamples/XlsIO-Examples/tree/master/Pivot%20Charts/Refresh%20Pivot%20Chart/.NET/Refresh%20Pivot%20Chart).

‎Document-Processing/Excel/Spreadsheet/Blazor/performance-metrics.md‎

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---
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layout: post
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title: Performance Metrics in Blazor Spreadsheet Control | Syncfusion
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description: Learn here all about performance metrics in the Blazor Spreadsheet control, including how it manages data, handles rendering speed and more.
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platform: document-processing
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control: Performance
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documentation: ug
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---
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# Performance Metrics in blazor Spreadsheet Control
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Performance metrics show how efficiently the [Syncfusion® blazor Spreadsheet](https://www.syncfusion.com/spreadsheet-editor-sdk/blazor-spreadsheet-editor) handles large datasets and core operations such as rendering, styling, number Formats and file import/export. This documentation provides the measured results for these operations to give a clear view of how the control performs under different workloads.
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## Environment
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The following environment configuration is used for performance evaluation:
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* **Browser**: Edge (latest)
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* **Hardware**: Modern multi‑core processor
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* **RAM**: 16 GB or higher
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* **Spreadsheet Version**:
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* [Theme Version](https://www.nuget.org/packages/Syncfusion.Blazor.themes)
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* [NuGet Version](https://www.nuget.org/packages/Syncfusion.Blazor.Spreadsheet)
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* **Data Source Format**: Mixed data types (numbers, text, number formats)
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## Spreadsheet Features
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This section outlines the operations evaluated in the Spreadsheet when working with large datasets. It covers actions such as rendering cells, applying styles, number formats and file import/export to help understand how the control processes common spreadsheet tasks.
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### Server
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| Operation | Dataset Size | Time (sec) |
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|-----------------------------|--------------|-------------|
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| Initial Rendering | 250k cells | 1.31 sec |
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| Applying Styles | 250k cells | 12.0 sec |
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| Applying Number Formats | 250k cells | 0.97 sec |
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### Wasm
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| Operation | Dataset Size | Time (sec) |
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|-----------------------------|--------------|-------------|
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| Initial Rendering | 250k cells | 6.99 sec |
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| Applying Styles | 250k cells | 15.98 sec |
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| Applying Number Formats | 250k cells | 9.45 sec |
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## Import and export performance metrics
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This section focuses on evaluating how the Spreadsheet handles file import and export operations involving large datasets with formatting and validation. It provides insight into how efficiently these operations are processed under varying data conditions.
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### Server
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| Operation | Dataset Size | Time (sec) |
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|-----------------------------------------|-----------------------------------|------------|
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| Importing | 250k cells without formats | 2.35 sec |
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| Importing | 250k cells with formats | 3.12 sec |
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| Exporting | 250k cells without formats | 1.07 sec |
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| Exporting | 250k cells with formats | 1.26 sec |
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### Wasm
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| Operation | Dataset Size | Time (sec) |
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|-----------------------------------------|-----------------------------------|------------|
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| Importing | 250k cells without formats | 38 sec |
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| Importing | 250k cells with formats | 50 sec |
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| Exporting | 250k cells without formats | 6.25 sec |
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| Exporting | 250k cells with formats | 8.14 sec |
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> **Disclaimer:**  Performance metrics and memory benchmarking are based on internal tests under specific conditions. Actual results may vary depending on the environment and usage.
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## See Also
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* [Open and Save](https://help.syncfusion.com/document-processing/excel/spreadsheet/blazor/open-and-save)

‎Document-Processing/PDF/PDF-Library/NET/Working-with-Security.md‎

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Read a PDF document permission flags via the [Security.Permissions](https://help.syncfusion.com/cr/document-processing/Syncfusion.Pdf.Security.PdfSecurity.html#Syncfusion_Pdf_Security_PdfSecurity_Permissions) property, which returns a bitwise combination of values from the [PdfPermissionsFlags](https://help.syncfusion.com/cr/document-processing/Syncfusion.Pdf.Security.PdfPermissionsFlags.html) enumeration.
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{% tabs %}
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{% highlight c# tabtitle="C# [Cross-platform]" %}
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{% highlight c# tabtitle="C# [Cross-platform]" playgroundButtonLink="https://raw.githubusercontent.com/SyncfusionExamples/PDF-Examples/master/Security/PDF-permission-viewer/.NET/PDF-permission-viewer/Program.cs" %}
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using Syncfusion.Pdf.Parsing;
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using Syncfusion.Pdf.Security;
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// Load an existing PDF
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using (PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf"))
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{% endhighlight %}
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using Syncfusion.Pdf.Parsing;
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using Syncfusion.Pdf.Security;
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Imports Syncfusion.Pdf.Parsing
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Imports Syncfusion.Pdf.Security
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You can download a complete working sample from GitHub.
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You can download a complete working sample from [GitHub](https://github.com/SyncfusionExamples/PDF-Examples/tree/master/Security/PDF-permission-viewer/.NET).
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## Remove password from the user password PDF document
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‎Document-Processing/PDF/PDF-Library/NET/Working-with-Text-Extraction.md‎

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<td>Finds a text string on a specific page (<code>index</code>), returning rectangles in <code>matchRect</code>.</td>
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</table>
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</table>
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## Troubleshooting and FAQ’s
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### What is the recommended way to extract form field values from a PDF document?
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The [ExtractText](https://help.syncfusion.com/cr/document-processing/Syncfusion.Pdf.PdfPageBase.html#Syncfusion_Pdf_PdfPageBase_ExtractText) API retrieves only the text that is visibly rendered on the page’s graphics layer. It does not extract the values contained in interactive form fields such as text boxes, combo boxes, or buttons. This is because form field data resides in the PDF’s interactive form (AcroForm) structure, separate from the page’s content stream.
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To retrieve form field values, you have two recommended options:
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1. [Flatten form fields](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-forms#flattening-form-fields-in-a-pdf): Converts interactive form fields into static page content, embedding their values directly into the PDF’s text stream. After flattening, any text extraction process (such as ExtractText) will include these values.
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Refer to the text extraction section of the PDF [UG documentation](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-text-extraction) for more details.
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2. [Iterate through form fields directly](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-forms#enumerate-the-form-fields): Access each form field in the PDF’s form collection and read its value programmatically. This approach provides the most accurate and structured method for extracting form data.

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