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Convert Excel Table to CSV using C# REST API

Explore how to convert an Excel table to CSV using a C# REST API. This step‑by‑step guide shows you how to automatically transform an Excel table into a CSV file online with a C# .NET‑based API and the Dotnet Cloud SDK. You’ll learn to pick the workbook, choose the worksheet, and select the exact table on that sheet for conversion.

Prerequisite

Steps to Convert Table to CSV using C# REST Interface

  1. Authenticate using your Client ID, Client Secret, and the Base URL
  2. Create an instance of the CellsApi class to work with Excel files
  3. Set the name of the Excel file you want to convert
  4. Create and configure an UploadFileRequest with file path and storage details
  5. Send the file to Aspose Cloud so it’s available for processing
  6. Set up a ConvertTableToCsvRequest by specifying the spreadsheet, worksheet, and table name
  7. Call the API method to convert the specified table into CSV format
  8. Write the converted CSV data to a local file named first_table.csv

These steps summarize the process of how to transform an Excel table to CSV using C# Low Code API. First, you sign in to Aspose Cloud with your credentials and get everything ready to work with Excel files. Then, you upload the Excel file you want to use so it’s available for processing. After that, you pick a specific table from the file, convert it to CSV, and save the result to your computer as file_name.csv.

Code to Export Excel Table to CSV using C# RESTful Service

The code above demonstrates how to export an Excel table to CSV. If the workbook is password‑protected, just set the password property on the ConvertTableToCsvRequest object. The API returns a CSV‑formatted stream that you can write to disk, store in a database, or transmit over the network.

In this guide we walked through converting an Excel table into a CSV stream with the C# REST API. If you need to turn an Excel chart into a PDF, check out our detailed tutorial on Convert Excel chart to PDF using C# REST API.

 

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