Discover how to remove image background in Excel using C# REST API quickly and efficiently. In this guide you’ll learn to remove picture background in Excel using C# REST Interface by leveraging a .NET‑based Cloud SDK, and you’ll also see how to clear the background of a single worksheet.
Prerequisite
- Create an account and get API credentials for deleting the background image
- Download Aspose.Cells Cloud SDK for Dotnet to remove the background image
- Setup a C# project with the above SDK
Steps to Remove Picture Background in Excel using C# REST Interface
- Set up the CellsApi object using your client ID, client secret, and the Aspose Cloud base URL
- Open the target Excel file and create an UploadFileRequest to upload it to Aspose Cloud storage
- Send the upload request to the cloud using the UploadFile() method of the CellsApi class
- Construct a DeleteWorkbookBackgroundRequest object with the file name and default storage/folder settings
- Call DeleteWorkbookBackground() with the prepared request to remove the workbook’s background
- Use DownloadFileRequest and DownloadFile() to retrieve the modified Excel file from the cloud
- Write the downloaded stream to a new local file using FileStream
These steps summarize the process of how to remove image background in Excel using C# RESTful Service. This process connects to Aspose.Cells Cloud using API credentials, uploads an Excel file, and removes its background using a dedicated API request. After the background is removed, the updated file is downloaded and saved locally.
Code to Remove Image Background in Excel using C# REST API
The sample code above illustrates step‑by‑step how to remove a photo background in Excel using a C# .NET‑based API, clearing the background image from the entire workbook. If you prefer to target a single worksheet or a selection of sheets, just call the DeleteWorksheetBackground() method and provide the sheet name to delete that specific sheet’s background picture.
Now you’ve mastered how to remove a background image from an Excel workbook with the C# REST API. If you’d like to learn how to add a background image instead, see our companion guide Insert Background Image in Excel using C# REST API.