Category "hierarchy"

displaying parent-child elements hierarchically in c#

I have a parent-child structure in my db and I want to list them hierarchically n a C# program: id text parentid 1 A NULL 2 B NULL 5 a1 1 6

T-SQL hierarchy query

I have a table with hierarchical data: This is a sample of data with id, parent id, name, code (which is sometimes not filled), level and isroot column. In r

recursive tree as a list (array items) in a new attribute value child

How to get hierarchy data(recursive tree) as a new column like below? (if there is last child then column child array is empty) rows: [{ 'id' : 1, 'paren