Here the value is set to empty and so North America is added as root node. In the above table, North America is declared as root node by setting appropriate (or matching) SelfRelationRootValue. Gets or sets the value that defines the root object in a self-relational mode when data source is used to define the underlying tree data. Gets or sets a value indicating the field to populate the state of checkbox of TreeNodeAdv in TreeViewAdv.
Gets or sets the table name that should be bound to the TreeViewAdv. Gets or sets a value indicating the child data field which behaves as a child node in TreeViewAdv. Gets or sets a value indicating the parent data field which behaves as a parent node in TreeViewAdv. Gets or sets the field that populates the Value property of TreeNodeAdv in TreeViewAdv. Gets or sets the field that populates the Text property of the TreeNodeAdv in TreeViewAdv. Gets or sets the data source object in TreeViewAdv.
If the value in ParentMember field of some records matches with the TreeViewAdv.SelfRelationRootValue, then those records are considered as root nodes of TreeViewAdv. If not, then the record is considered to have no parents and, in such case, it won’t be visible in the TreeViewAdv. If the Parent ID of one record has the respective value in the Child ID of any other records from the table, then that record is considered to have parent.
Parent-Child relationship for all the records is defined by setting the ParentMember and ChildMember properties to the respective fields in the data source. In this type, TreeViewAdv binds to self-referencing data where the TreeViewAdv is bound to single table instead of multiple related tables. The following are the ways to bind various data sources to TreeViewAdv. by using the TreeViewAdv.DataSource property. TreeViewAdv binds to any table, collection of tables, custom objects, etc.
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