In Filter for starting
entry, you can set a filter that hides the parts of the tree
that should not be shown. If, for example, you have created a tree
structure for product categories, product subcategories and products,
you can restrict the display to individual product subcategories.
In Default value for folders on level 1, enter the
parent ID of the in a partial area not visible folder. This ID can be
ascertained from the database. It will be entered by the tree control
automatically for newly created folders on the uppermost level into the
Superior key field.
Only by entering the Default value for folders on level 1
can the hierarchy of folders be correctly represented in the entire
In the Number data records per query, enter the
number of data records that should be preloaded when a branch is
opened. This entry increases performance when displaying levels that
contain a large number of entries. The restriction entered here refers
only to the initial loading of the records.