How to cascade child and parent in SQL Server 2008 R2 -

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i set relationship b/w 2 column (primary key , foreign key on unique id)

i able 2 change id in parent form , effect on child table problems can change primary key not column never change , cause problem user , report functions. created relation sql server 2008 r2's diagram , use dataset.

i tried use delete cascade , works fine , deletes whole child in forms on update have problem.

is there way update child columns parent table?

thanks.


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