ComponentOne ASP.NET Core Excel

MESCIUSSpreadsheet Controls.NET

Create and manipulate Excel files in ASP.NET Core with ease.

  • Read and write Excel XLS and XLSX files without Excel dependencies.
  • Manipulate cells, formulas, styles, images, and comments programmatically.
  • Supports grouping, subtotals, macros, and cross-platform .NET Standard applications.
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ComponentOne ASP.NET Core Excel is a .NET Standard library designed for developers to create, open, and modify Microsoft Excel XLS and XLSX files directly from ASP.NET Core applications. It enables cell-level data access and formatting, supports formulas, images, and comments, and works independently of having Excel installed. The component supports grouping, subtotals, and macro-enabled files, suitable for desktop, web, and cloud solutions.

Create and Save Excel Workbooks

Generate new Excel files or save modifications to XLS, XLSX, or CSV formats, enabling seamless Excel file creation from server-side code in ASP.NET Core environments.

Read and Modify Existing Excel Files

Load and edit existing workbooks and worksheets to update cell data, apply styles, add comments, images, and formulas without opening Excel itself.

Cell-Level Data Access and Formatting

Access individual cells in worksheets as if working with grids, including reading and writing values, applying styles, formatting dates, numbers, and percentages, and setting cell formulas.

Support for Cell Formulas and Calculations

Use the XLCell.Formula property to insert and manage Excel-compatible formulas that support binary parsing for advanced calculations within the workbook.

Add and Manage Images and Comments

Insert images into cells or worksheet headers/footers with control over size and scaling; add or edit cell comments (notes) to provide context or instructions.

Grouping and Subtotals

Programmatically create outline groupings and calculate subtotals for rows and columns to organize data and summarize information clearly within sheets.

Macro-Enabled Excel Files

Load and save Excel macro-enabled files (*.xlsm) with macros embedded; VBA code is processed in binary form to preserve functionality.

Product Compatibility

Review the details below to ensure this product is supported within your environment.

Component Type

  • .NET

.NET Version

  • .NET 10 LTS
  • .NET 9 STS
  • .NET 8 LTS
  • .NET 6 LTS

.NET Platform

  • ASP.NET Core Assembly

IDE Support

  • Visual Studio