| date_grid | specifies the content of columns that show dates (return Date values) in grid |
| grid_blank | specifies the custom content inserted before the labels of child items in the tree column |
| grid_date_format | specifies the format of dates for the columns that show dates (return the Date values) |
| grid_file | specifies the icon of child items in the tree column |
| grid_folder | specifies the icon of parent items in the tree column |
| grid_header_class | specifies the CSS class that will be applied to the headers of the table's columns |
| grid_indent | specifies the indent of the child items in a branch (in the tree column) |
| grid_open | specifies the icon of the open/close sign in the tree column |
| grid_row_class | specifies the CSS class that will be applied to a grid row |
