Problem while binding treeview

[Gajanan]

hi all , in my application i am using Radtreeview but while binding i am getting the following error

"This constraint cannot be enabled as not all values have corresponding parent values"
and my tree view structure is like this
+Parenntname
----ChildName
----Childname
+Parenntname
----ChildName

my query will rerun following tabular data

parentID     Parentname                               ChildID        ChildName

	271	BharatForge-1	1700	SO-2-81314-1601
	274	KumarPlaza	1900	SO-7-91112-1801
	276	JOG Classes	2000	SO-24-91112-1901
	276	JOG Classes	2100	SO-24-91112-2001
	276	JOG Classes	2200	SO-24-91112-2101
	276	JOG Classes	2300	SO-24-91112-2201
	276	JOG Classes	2400	SO-24-91112-2301
	277	JOG rare	2500	SO-24-91112-2401
	277	JOG rare	2600	SO-24-91112-2501

plz tell the solution

[Yana]

Hello Gajanan ,

Please check this help article about hierarchical databinding - note that ParentID is set to the ID of the parent node.

Best regards,
Yana
the Telerik team