diff --git a/Document-Processing/Excel/Excel-Library/NET/Worksheet-Rows-and-Columns-Manipulation.md b/Document-Processing/Excel/Excel-Library/NET/Worksheet-Rows-and-Columns-Manipulation.md
index 38c4de310..e4b030d26 100644
--- a/Document-Processing/Excel/Excel-Library/NET/Worksheet-Rows-and-Columns-Manipulation.md
+++ b/Document-Processing/Excel/Excel-Library/NET/Worksheet-Rows-and-Columns-Manipulation.md
@@ -950,6 +950,8 @@ End Using
 
 A complete working example to expand or collapse groups in an Excel worksheet in C# is present on [this GitHub page](https://github.com/SyncfusionExamples/XlsIO-Examples/tree/master/Format%20rows%20and%20columns/Expand%20or%20Collapse%20Groups/.NET/Expand%20or%20Collapse%20Groups).
 
+N> The <a href="https://help.syncfusion.com/cr/document-processing/Syncfusion.XlsIO.IRange.html#Syncfusion_XlsIO_IRange_RowHeight">RowHeight</a> or <a href="https://help.syncfusion.com/cr/document-processing/Syncfusion.XlsIO.IRange.html#Syncfusion_XlsIO_IRange_ColumnWidth">ColumnWidth</a> of collapsed rows or columns will be 0.
+
 ### Subtotal
 
 The XlsIO supports subtotaling a group to quickly calculate rows of related data by inserting subtotals and totals.