Syncfusion.Blazor.Spreadsheet 34.2.9

Prefix Reserved
.NET 8.0 This package targets .NET 8.0. The package is compatible with this framework or higher. 
dotnet add package Syncfusion.Blazor.Spreadsheet --version 34.2.9
                    


                    

                
NuGet\Install-Package Syncfusion.Blazor.Spreadsheet -Version 34.2.9
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="Syncfusion.Blazor.Spreadsheet" Version="34.2.9" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="Syncfusion.Blazor.Spreadsheet" Version="34.2.9" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="Syncfusion.Blazor.Spreadsheet" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add Syncfusion.Blazor.Spreadsheet --version 34.2.9
                    


                    

                
#r "nuget: Syncfusion.Blazor.Spreadsheet, 34.2.9"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package Syncfusion.Blazor.Spreadsheet@34.2.9
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=Syncfusion.Blazor.Spreadsheet&version=34.2.9
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=Syncfusion.Blazor.Spreadsheet&version=34.2.9
                    


                            Install as a Cake Tool

Syncfusion® Blazor Spreadsheet Component

A high‑performance Blazor Spreadsheet Component for creating, viewing, editing, and analyzing data within Blazor applications. It provides a comprehensive set of Excel‑like features such as formulas, formatting, data manipulation, sorting, and filtering, and is optimized for seamless integration with both Blazor Server and Blazor WebAssembly environments.

Blazor SfSpreadsheet

Using this package with an AI coding agent

Before generating Syncfusion code, ask your AI coding agent to run the Syncfusion setup using the following prompt:

Set up this project for Syncfusion before generating code. Fetch and follow the official instructions at https://ai.syncfusion.com, then report the detected platform, installed skill pack, MCP status, and any required licensing action.

The setup detects your project’s platform and loads the appropriate Syncfusion skill pack. No Syncfusion account or MCP key is required to install or read Syncfusion® agent skills.

Platform reference: https://ai.syncfusion.com/blazor/llms.txt

Key features

  • Editing - Enables dynamic cell editing with support for direct in-cell editing and formula bar-based editing.
  • Selection - Supports selection of individual cells, rows, columns, and ranges using mouse and keyboard interactions.
  • Open and Save - Allows opening Excel files (.xlsx, .xls) and saving data as Excel (.xlsx) with Base64 loading and local file support.
  • Clipboard - Provides cut, copy, and paste operations with compatibility for external clipboard content from Excel and Google Sheets.
  • Formulas - Includes a built-in calculation engine with predefined formulas, named ranges, and automatic or manual calculation modes.
  • Cell Formatting - Offers rich formatting options such as fonts, colors, borders, alignment, and text styles for enhanced data presentation.
  • Sorting - Enables ascending and descending sorting for single columns to quickly organize data.
  • Filtering - Allows filtering rows using text, number, and date filters with custom filter conditions.
  • Hyperlink - Supports adding hyperlinks to external URLs or internal cell references across the same or different worksheets.
  • Undo & Redo - Provides undo and redo operations with history tracking up to 25 actions for easy corrections.
  • Protection - Enables worksheet and workbook protection with password support, range-level unlocking, and configurable permissions.
  • Accessibility - Includes built-in accessibility support with keyboard navigation, ARIA attributes, and screen reader compatibility.

Add stylesheet and script references

  • For Blazor Web App / Blazor Server App,add these to Components/App.razor or App.razor file.
  • For Blazor WebAssembly App,add these to wwwroot/index.html file.
<link href="_content/Syncfusion.Blazor.Themes/bootstrap5.css" rel="stylesheet" />
<script src="_content/Syncfusion.Blazor.Spreadsheet/scripts/syncfusion-blazor-spreadsheet.min.js" type="text/javascript"></script>

Quick start

  1. Register the Syncfusion® Blazor service in the Program.cs file.
using Syncfusion.Blazor;

builder.Services.AddSyncfusionBlazor();
  1. Add Blazor Spreadsheet component to your Razor page.
@using Syncfusion.Blazor.Spreadsheet
<SfSpreadsheet DataSource="DataSourceBytes">,
    <SpreadsheetRibbon></SpreadsheetRibbon>
</SfSpreadsheet>

@code {
    public byte[] DataSourceBytes { get; set; }

    protected override void OnInitialized()
    {
        string filePath = "wwwroot/Sample.xlsx";
        DataSourceBytes = File.ReadAllBytes(filePath);
     }
}

Documentation

Help resources

Support and feedbacks

Explore other popular Syncfusion<sup>®</sup> blazor components curated from UI components, standalone SDKs, and document solution suites.

<table> <tr> <td align="center"> <a href="https://www.syncfusion.com/blazor-components/blazor-datagrid">Blazor DataGrid</a> </td> <td align="center"> <a href="https://www.syncfusion.com/blazor-components/blazor-charts">Blazor Charts</a> </td> <td align="center"> <a href="https://www.syncfusion.com/blazor-components/blazor-file-manager">Blazor File Manager</a> </td> <td align="center"> <a href="https://www.syncfusion.com/gantt-sdk/blazor-gantt-chart">Blazor Gantt Chart</a> </td> <td align="center"> <a href="https://www.syncfusion.com/diagram-sdk/blazor-diagram">Blazor Diagram</a> </td> </tr> <tr> <td align="center"> <a href="https://www.syncfusion.com/scheduler-sdk/blazor-scheduler">Blazor Scheduler</a> </td> <td align="center"> <a href="https://www.syncfusion.com/docx-editor-sdk/blazor-docx-editor-sdk">Blazor DOCX Editor</a> </td> <td align="center"> <a href="https://www.syncfusion.com/pdf-viewer-sdk/blazor-pdf-viewer">Blazor PDF Viewer</a> </td> <td align="center"> <a href="https://www.syncfusion.com/rich-text-editor-sdk/blazor-rich-text-editor">Blazor Rich Text Editor</a> </td> <td align="center"> <a href="https://www.syncfusion.com/blazor-components/blazor-map">Blazor Map</a> </td> </tr> </table>

License

This is a commercial product and requires a paid license for possession or use. Syncfusion® licensed software, including this component, is subject to the terms and conditions of Syncfusion's EULA. You can purchase a license here or start a free 30-day trial here.

About Syncfusion®

Syncfusion® provides 1600+ UI components and frameworks for web, mobile, and desktop development across multiple platforms:

Web: Blazor | ASP.NET Core | ASP.NET MVC | JavaScript | Angular | React | Vue

Mobile: Flutter | Xamarin | UWP

Desktop: WinForms | WPF | WinUI

Learn more at www.syncfusion.com.

sales@syncfusion.com | Toll Free: 1-888-9-DOTNET

Product Compatible and additional computed target framework versions.
.NET net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 is compatible.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 is compatible.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
34.2.9 424 9/21/2026
34.2.8 529 9/14/2026
34.2.7 789 9/8/2026
34.2.6 672 8/31/2026
34.2.5 1,325 8/25/2026
34.2.4 861 8/17/2026
34.2.3 1,878 8/11/2026
34.2.2 1,689 8/5/2026
34.1.33 3,550 7/27/2026
34.1.32 1,530 7/21/2026
34.1.31 660 7/14/2026
34.1.30 359 7/9/2026
34.1.29 761 7/6/2026
33.2.15 2,249 6/23/2026
33.2.13 1,063 6/16/2026
33.2.12 6,406 6/9/2026
33.2.10 415 6/2/2026
33.2.8 868 5/26/2026
33.2.7 493 5/19/2026
33.2.6 1,226 5/12/2026
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https://help.syncfusion.com/document-processing/release-notes/v34.2.9?utm_source=nuget&utm_medium=listing