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Sylvan.AspNetCore.Mvc.Excel

This package provides support for Excel content negotiation for handling tabular data in ASP.NET Core web APIs. It allows a client to choose to send and receive Excel data by specifying the appropriate ContentType or Accept HTTP headers. This library uses Sylvan.Data.Excel to provide the fastest Excel processing available in .NET.

InputFormatter

The input formatter can handle APIs that accept IDataReader, DbDataReader, or a type that implements IEnumerable<T> where T is some complex object. The input formatter can accept the content-types listed in the following table.

File-Extension Content-Type
.xlsx application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.xlsb application/vnd.ms-excel.sheet.binary.macroEnabled.12
.xls application/vnd.ms-excel

OutputFormatter

The output formatter can handle API methods that return IDataReader, DbDataReader, or IEnumerable<T> where T is some complex object.

The output formatter only supports the .xlsx content-type for the Accept header.

Usage

To enable the Excel formatter, add the Sylvan.AspNetCore.Mvc.Formatters.Excel nuget package to your project. This package transitively depends on Sylvan.Data.Excel for Excel processing and Sylvan.Data for binding to and from objects.

Register the Excel formatter with the MVC service in your application ConfigureServices.

services.AddControllers(opts => { opts.AddSylvanExcelFormatters(); });

This will register both the ExcelInputFormatter as well as the ExcelOutputFormatter. If you only want one or the other, they can be registered individually.

services.AddControllers(
    opts =>
    {
        opts.InputFormatters.Add(new ExcelInputFormatter());
        opts.OutputFormatters.Add(new ExcelOutputFormatter());
    }
);