This article guides how to group rows and columns in Excel using C#. It has the IDE settings, a list of steps, and a running sample code for grouping rows in Excel using C#. It will guide you to group/un-group rows and columns and set the flag to expand or collapse the grouped items.

Steps for Grouping Rows in Excel using C#

1. Set the IDE to add Aspose.Cells for .NET to group rows and columns
2. Create or load an existing Excel file using the Workbook class for grouping rows and columns
3. Access the desired sheet
4. Get the collection of cells on the sheet
5. Call the GroupRows and GroupColumns methods as per need
6. Save the output file

These steps define how to group columns in Excel using C# or grouping rows. Commence the process by loading or creating an Excel file and accessing the cell collection in the sheet where you want to group rows or columns. Call the GroupRows() and GroupColumns() methods by passing the index of the first and last row or column and a boolean flag to collapse or expand the grouped item when you open the file in MS Excel.

Code to Group Rows and Columns in Excel using C#

This code shows how to group columns in Excel using C#. The Cells collection class contains methods GroupRows() and GroupColumns() with multiple overloads. It also has the methods UngroupRows() and UngroupColumns() for removing the grouping from the rows and columns.

This article has taught us how to group rows in Excel with expand collapse using C#. To remove blank rows, refer to the article on Remove blank rows in Excel using C#.