DataItem
Represents a grid item for a data row.
data
Object
A reference to the data item.
groupIndex
string
The group index, if any.
index
number
The index of the grid item. Note that this could be different than the index of the data item in the source data set.
isEditing
boolean
A flag indicating if the item is currently being edited
type
undefined
The type of the grid item.
