allowTriStateSorting property
Decides whether user can sort the column in three states: ascending, descending, unsorted.
Defaults to false.
This is applicable only if the allowSorting is set as true.
See also:
- DataGridSource.sortedColumns - which is the collection of SortColumnDetails objects to sort the columns in SfDataGrid.
- DataGridSource.sort - call this method when you are adding the SortColumnDetails programmatically to DataGridSource.sortedColumns.
Implementation
final bool allowTriStateSorting;