Forms Data Controls :: Hierarchical Data Display And Hopefully Update?
Mar 29, 2010
When a user updates a record via detailsview in table 1 (TA), I need to display child records which are in table 2 (SG) and their child records which are in table 3 (SC). I tried to use DataList inside another DataList but I cannot filter the table 3 records based on returned values of table 2. I am also using TableAdapters and added a relation for table 3 to table 2 via both primary keys of table 2. I selected to create Both Relation and Foreign Key Constraint and Cascade as Accep/Reject Rule.
For my select statement on table 2, I filter it via WHERE (SGPrimaryKeyCd = :SGPrimaryKeyCd) AND (SGPrimaryKeyDate = :SGPrimaryKeyDate) and return the correct records based on values entered by the user.
For my select statement on table 3, I tried using a WHERE clause but didn't work. Without a Where clause I get all the records, of course. I thought relation would take care of filtering.
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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[Code]....
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[Code]....
My code behind--------------------
[Code]....
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[Code]....
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