Defines how to merge grid cells
Specifies whether show the merged cell text in the view. Default value is false
Specifies settings for grouped column
Specifies cell merging mode. There are two modes 'restrict' and 'free'. If the mode is 'restrict', current column auto merge area will be restricted by previous column. Default mode is 'restrict'
Specifies whether show the merged cell value only in the first row. Default value is false