c# - DataMember property 'relation key' cannot be found on the DataSource -


i have dataset has several tables in c# windows app. have 1 parent table , of other tables in set child tables have relation id column in parent.

i added new table , made necessary relation parent table through wizard , designer, not coding. however, when go form , try change datamember on property screen of bindingsource, doesn't find relation created in drop down menu. try manually input name of relation , receive error message listed in title.

i've never had issue before when have added child tables dataset , changed datamembers them i'm not sure go here in order resolve issue. assistance awesome.

let me know if need more information.

edit: should add seems happening 1 dataset. tried adding exact same table different dataset had , worked without issue.


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