High-Speed .NET 6 Excel Spreadsheet API Library

Programmatically create, edit, import, and export Excel spreadsheets in your .Net 6, .Net 5, .NET Core, .NET Framework, and Xamarin cross-platform applications using this fast spreadsheet API.

  • Create, load, edit, and save Excel .xlsx spreadsheets
  • Save to .XLSX, PDF, HTML, CSV, and JSON
  • Based on the Excel Object Model with zero Excel dependencies
  • Deploy locally, inhouse or to Cloud including Azure and AWS
  • Use the Templates to create custom Excel reports
Download Free Trial (V 5.2.2)

Latest Release Info

What's New in GrapeCity Documents for Excel v5.2

Overview

A .NET Excel spreadsheet API library is a programming interface that allows developers to programmatically create and manipulate Excel documents at scale. GrapeCity Documents for Excel is a solution that allows developers to import/export, create reports & templates, and deploy spreadsheets across desktop applications.

Fast, Lightweight API Architecture

Use this small-footprint, high-performance spreadsheet server-side Excel-like API Library to quickly create, open, edit, convert, and share Microsoft Excel-compatible spreadsheets using C# or other .NET languages.

Flexible Templates and Themes

Let users leverage the power of customizable templates, themes, configurable components, summary data, custom styles, embedded drawing objects, integrated calculation engine, and more.

Seamless Excel Compatibility

Lose nothing on import. Pivot tables, comments, charts, conditional formatting, data validation, filters, formulas, shapes, pictures, slicers, sparklines, and tables stay intact.

Full .NET Support for Windows, Linux, and Mac

Develop for all .NET platforms and operating systems with a single code base. Use in your apps for .NET 5+, .NET Framework, Mono, Xamarin.iOS, and Xamarin Android.

Document Object Model

Based on the extensive Excel Object Model, the interface-based API allows you to import, calculate, query, generate, and export any spreadsheet scenario. With the VS Tools for Office-style API, you can create custom styles using the same elements as VS Tools for Office.

Deploy Excel Spreadsheet Apps to the Cloud

Cloud-based deployment means you can be everywhere - with NuGet and Documents for Excel, you can deploy to Azure, AWS, and AWS Lambda.

Import data only from Excel files

Try new ImportData() function to import just the data from Excel files without loading the whole object model. Faster and efficient way to import data.

Custom Reports using Excel (.xlsx) Templates in .NET 6

Define Excel templates to automate and generate comprehensive Excel reports such as invoices, sales reports, receipts, shipping labels, purchase orders, and more.

Travel Expense Report

Add tables, formatting, images, and formulas to Excel sheet for complete professional reports with our .NET 6 Excel API LIbrary.

Financial KPI Report

Use icons, cell formatting, images, and calculations to create dashboard-type reports to measure company performance.

Customer Profitability Analysis Report

Create matrix-like spreadsheets, complete with calculations, figures, sparklines, tables, and color themes.

Invoice Forms

Quickly create simple forms, like invoices, with the built-in templates with our .NET 6 Excel API.

Convert Excel Templates to PDF Forms with HTML5 Input Types

GcExcel .NET Excel Library provides tools to create templates and define form fields in the templates, and utilize validation in the fields to ensure data accuracy and consistency. Messages can be assigned based on the validation type, like required fields or specific format types.

Top Features for Excel .NET API

Import and Export Excel in a .NET Application

Seamlessly import and export Excel-compatible XLSX files with no Excel dependency, with all formulas, formatting, and other settings.

Workbooks and Worksheets

Create, import, export, use passwords, add sheets, cut and copy ranges, copy and move worksheets, activate, configure, delete, protect, and add iterative calculations.

Formulas (450+ Excel Functions)

Use hundreds of built-in functions and operators to perform complex calculations, add external formulas, or build your own custom functions and create what you need

PDF Export

Export Excel .xlsx spreadsheets to PDF at server side with various PDF options, including security settings and embedded form controls with HTML5 tags for autocomplete.

Showcase Demos

Explore complete code demonstrating how to generate an Excel file, or you may have your own Excel files and just want to open and update some of its contents at server side.

Quick Start

In this tutorial, we create a real-life scenario with GrapeCity Documents for Excel to give you a fundamental understanding of what our .NET Excel API can do.

Import and Export Excel in a .NET Application

Seamlessly import and export Excel-compatible XLSX files with no Excel dependency, with all formulas, formatting, and other settings.

PDF Export

Export Excel .xlsx spreadsheets to PDF at server side with various PDF options, including security settings and embedded form controls with HTML5 tags for autocomplete.

Image Exporting

Explore complete sample code demonstrating how to export a worksheet, cell range, shape, or chart to an image file on the server side in your application.

Templates

GcExcel introduces new Templates Support with comprehensive syntax and API to easily bind Excel documents to data and generate advanced and complex custom Excel reports.

Data Binding

GcExcel supports one-way data binding with a cell, a worksheet, and Table binding to .NET data sources to easily fill in your data automatically.

Import Data

New ImportData() function to quickly import just the data values from a specified range in an Excel file without loading the whole object model.

Forms

Create AcroForm fields, including HTML5 autocomplete types, to submit data forms to a server, import XML data, and import form data submitted on the client to a PDF.

PDF Export

Export Excel .xlsx spreadsheets to PDF at server side with various PDF options, including security settings and embedded form controls with HTML5 tags for autocomplete.

Page Setup

Get and set Page Setup attributes (left margin, bottom margin, paper size, and so on) on Excel workbook and import/export in XLSX and/or print to PDF or directly to a printer in Windows.

Templates

GcExcel introduces new Templates Support with comprehensive syntax and API to easily bind Excel documents to data and generate advanced and complex custom Excel reports.

Workbook Views

Programmatically set three predefined Workbook views, Normal, Page Layout, and Page Break Preview, which take effect on loading in Excel.

Print Excel file to printer (Windows)

Directly print Excel file to printer using interfaces IWorkbook.PrintOut and PrintOutOptions (supported in Windows environments only).

Formulas (450+ Excel Functions)

Use hundreds of built-in functions and operators to perform complex calculations, add external formulas, or build your own custom functions and create what you need.

Dynamic Array Formula

Use 7 new Dynamic Array Formula functions and the new '#' operator to pass and return multiple values from functions and spill results in a range of cells.

Custom Function

Custom functions allow you to easily create new calculation functions for use in cell formulas using custom logic to return a value in your .NET app.

Formula Parser

Create, parse and modify formulas with GrapeCity.Documents.Excel.
Expressions namespace to parse the formula expressions.

Table Formulas

Use absolute or relative structured references in formulas to reference to table cells for formulas that are more intuitive and easier to understand.

Pivot Table Formulas

Use the new method GenerateGetPivotDataFunction from IRange interface to generate formulas using the GETPIVOTDATA function to get pivot table values.

Linked Picture

A linked picture (also knows as Camera Shape) can be created using a reference to the actual data, table, or chart in your final dashboard.

Formula Tracing

Trace the formula references in your worksheet to find the Dependent and Precedent cells and automate your formula auditing to ensure calculation accuracy.

Workbooks and Worksheets

Create, import, export, use passwords, add sheets, cut and copy ranges, copy and move worksheets, activate, configure, delete, protect, and add iterative calculations.

Cell Rich Text

Apply rich text formatting using the IRichText interface including multiple font styles, colors, sizes, subscript and superscript text in the cells of the worksheet.

Templates

GcExcel introduces new Templates Support with comprehensive syntax and API to easily bind Excel documents to data and generate advanced and complex custom Excel reports.

Themes

GcExcel API lets you apply built-in or custom Office themes to change the appearance of a workbook by replacing the colors and styles in one quick and easy operation.

Conditional Formatting

Create conditional formatting rules for individual cells or a range of cells based on cell values or a custom formula, including data bars, color scales, and icon sets.

Data Validation

Validate data by restricting the format and values that can be entered in cells of a worksheet, or create a drop-down list for the cell.

Range Operations

Get and set all style, formula, and other settings on cells, rows or columns in .NET Excel documents with the help of Range property of the IWorksheet interface.

Formatting

GcExcel provides many style, border, and format properties to customize the appearance of a range in your .NET Excel spreadsheet.

Tables

Manage Tables independently in Excel worksheets, format rows & columns, include totals row, and perform calculations using structured table column references.

Graphics

Use linear and gradient brushes and pattern fills with Shapes and Pictures in Excel workbooks for reporting, data visualization, and more.

Charts

GcExcel provides a comprehensive charting API to add all types of charts in Excel worksheets including support for advanced template reporting and data binding.

Shapes

Embed Shapes and Pictures in a worksheet. You can insert arrows, lines, charts, slicers, pictures, general shapes and connectors, and group shapes.

Pictures

Add a picture to a worksheet using the AddPicture method of the worksheet's Shapes collection, or delete, cut, copy and duplicate pictures in the worksheet.

Templates

GcExcel introduces new Templates Support with comprehensive syntax and API to easily bind to Images and generate advanced and complex custom Excel reports.

Linked Picture

A linked picture (also known as Camera Shape) can be created using a reference to the actual data, table, or chart in your final dashboard.

Workbooks and Worksheets

Create, import, export, use passwords, add sheets, cut and copy ranges, copy and move worksheets, activate, configure, delete, protect, and add iterative calculations.

Templates

GcExcel introduces new Templates Support with comprehensive syntax and API to easily bind Excel documents to data and generate advanced and complex custom Excel reports.

Forms

Create AcroForm fields, including HTML5 autocomplete types, to submit data forms to a server, import XML data, and import form data submitted on the client to a PDF.

Range Operations

Get and set all style, formula, and other settings on cells, rows or columns in .NET Excel documents with the help of Range property of the IWorksheet interface.

Formatting

GcExcel provides many style, border, and format properties to customize the appearance of a range in your .NET Excel spreadsheet.

Dynamic Array Formula

Use 7 new Dynamic Array Formula functions and the new '#' operator to pass and return multiple values from functions and spill results in a range of cells.

Tables

Manage Tables independently in Excel worksheets, format rows & columns, include totals row, and perform calculations using structured table column references.

Pivot Tables

Add Pivot Table to Excel workbook for data summarization and aggregation, to automatically count, total, or average the data stored in a spreadsheet.

Conditional Formatting

Create conditional formatting rules for individual cells or a range of cells based on cell values or a custom formula, including data bars, color scales, and icon sets.

Grouping

Summarize large amounts of information in groups of columns and/or rows that expand and collapse so that complex spreadsheets are easier to navigate.

Cell Rich Text

Apply rich text formatting using the IRichText interface including multiple font styles, colors, sizes, subscript and superscript text in the cells of the worksheet.

Data Validation

Validate data by restricting the format and values that can be entered in cells of a worksheet, or create a drop-down list for the cell.

Find and Replace

Find and Replace text or formulas in a worksheet with various options including case, whole or partial match, match byte, replace format, search format, and more.

Filtering

GcExcel supports all types of filters including Date, Text, Number, Color, Icon, and more in tables or on a range using a worksheet range filter.

Data Binding

GcExcel supports one-way data binding with a cell, a worksheet, and Table binding to .NET data sources to easily fill in your data automatically.

Sorting

GcExcel provides the Sort method to perform data sorting on a range of cells by value, color or icon, and supports sorting by column or row in a worksheet.

Slicer

Slicers are visual filters that you can use to filter a table or pivot table. Add built-in and custom slicer styles in Excel workbooks to create interactive reports.

Comments

GcExcel enables users to write Comments for cells to add metadata information about the data it contains which can show as a popup or sticky note.

Hyperlinks

Link to a cell location in a worksheet, a web page, an external file, or an email address using a Hyperlink in a cell or shape to create a table of contents and more.

Themes

GcExcel API lets you apply built-in or custom Office themes to change the appearance of a workbook by replacing the colors and styles in one quick and easy operation.

Threaded Comments

Add, reply, and delete Threaded Comments, as well as move to next comment, move to previous comment and many more such operations.

Templates

GcExcel introduces new Templates Support with comprehensive syntax and API to easily bind Excel documents to data and generate advanced and complex custom Excel reports.

Forms

Create AcroForm fields, including HTML5 autocomplete types, to submit data forms to a server, import XML data, and import form data submitted on the client to a PDF.

Excel Form Controls

Create Excel forms with standard Form controls and collect data from your users.

 

Pivot Tables

Add Pivot Table to Excel workbook for data summarization and aggregation, to automatically count, total, or average the data stored in a spreadsheet.

Custom Function

Custom functions allow you to easily create new calculation functions for use in cell formulas using custom logic to return a value in your .NET app.

Dynamic Array Formula

Use 7 new Dynamic Array Formula functions and the new '#' operator to pass and return multiple values from functions and spill results in a range of cells.

Formula Parser

Create, parse and modify formulas with GrapeCity.Documents.Excel.
Expressions namespace to parse the formula expressions.

Charts

GcExcel provides a comprehensive charting API to add all types of charts in Excel worksheets including support for advanced template reporting and data binding.

PDF Export

Export Excel .xlsx spreadsheets to PDF at server side with various PDF options, including security settings and embedded form controls with HTML5 tags for autocomplete.

Linked Picture

A linked picture (also knows as Camera Shape) can be created using a reference to the actual data, table, or chart in your final dashboard.

SpreadJS Viewer

See how to use GcExcel on the server side to import/export Excel template files with SpreadJS in the browser (client side) as a viewer or editor.

SpreadJS Feature Support

GcExcel adds support for SpreadJS features adding more compatibility with the client-side SpreadJS product. View the complete supported features list here.

Explore the Advanced Features of a .NET Spreadsheet API

Explore the Advanced Features of a .NET Spreadsheet API
The demos with GcExcel include step-by-step instructions on using the spreadsheet API. Each main feature demo link contains several demos that show how to use a particular feature.

It also showcases numerous API features and includes code samples you can download and apply now. Click the link below to learn more.

"The speed to build what we needed and the level of ease of use of controls are why we chose GrapeCity. It was a perfect fit."

Spiro Skias - CGI