CSV to XLSX using C#
The C# library for converting Csv documents to Excel files.
The C# library for converting comma-separated values CSV file to Excel XLSX file.
Try for FREEC# library install
ConvertAPI provides an ASP.NET C# library that allows you to perform a CSV to XLSX conversion with just a few lines of code. Convert CSV to XLSX documents using C# programming language with no effort at all!
Install-Package ConvertApi
Authenticate ConvertAPI C# library
You can obtain your secret key by signing up for a free account. Once you sign up, you'll receive 250 free conversions instantly! Grab your authentication secret from the account dashboard, and authenticate the ConvertAPI C# library like this:
ConvertApi convertApi = new ConvertApi("your-api-secret");
CSV to XLSX using C# in no time!
Once you have your authentication in place, simply copy-paste this csv to xlsx conversion code snippet into your C# project:
Upload the file and see how it works
You can set up the advanced conversion parameters and test the conversion result online using our interactive demo tool. It will auto-generate the code snippet for you!
Advanced CSV to XLSX conversion parameters
Set Excel cell type, if set as text the date and number format will be the same as in CSV file.
Values: general text
Set fields separator.