You can set the row height as a specified number of pixels. Each sheet uses and lets you set a default size, making all rows in the sheet the same size. You can override that setting by setting the value for individual rows.
Users can change the row height by dragging the header lines between rows. The default value is 20.0F, which specifies the height of the row is 20 pixels.
You can allow users to resize row by setting the Resizable property of Row.
•You can allow users to resize columns by setting the Resizable property of Column.
•You can double-click row header to auto resize the row height