> For the complete documentation index, see [llms.txt](https://docs.tailent.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tailent.com/scripting-utility-classes/common-scripts-repository/c-scripts-repository/write-excel.md).

# Write Excel

This script will require adding **using OfficeOpenXml;** to the namespaces section.

```csharp
ExcelWorksheet document = excelDocument.getWorkSheet(1);

for (int i=1;i<=NumberOfRows;i++)
{                               
      document.Cells[i, 1].Value=givenValue;
}
```

{% hint style="info" %}
The ExcelWorksheet variable has to be open using the “Open excel workbook” action before initializing the C# script, otherwise it will not be a valid reference to an Excel Workbook.

After the C# script action, use “Close excel workbook” to save the changes made.

{% endhint %}