This brief article discusses how to add a column in Excel using C#. It encapsulates the system preparation, stepwise algorithm, and a running sample code to add multiple columns in Excel using C#. Moreover, you do not need to install MS Excel or any other spreadsheet-related application to work with this feature in your environment.

Steps to Insert Columns in Excel using C#

1. Configure the system by Aspose.Cells for .NET to insert columns
2. Load the source file using the Workbook class
3. Get the reference to a worksheet and insert one or more columns using the InsertColumns method
4. Export the generated Excel workbook after appending the columns

These steps give an overview of how to add new column in Excel using C#. Simply load the source spreadsheet and insert columns at any index before saving it to XLS or XLSX format. This insertion will move the existing columns to the right side of the target worksheet.

Code to Insert Columns in Excel using C#

This sample code shows how to insert column in Excel using C#. However, it can be improvised further to use different overload methods. For example, inserting single or multiple columns at once or optionally updating the existing references in other worksheets based on your requirements.

In this tutorial, we have understood how to insert multiple columns in Excel using C#. Besides, if you want to insert rows in an Excel sheet then read the article on how to insert Rows in Excel using C#.