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One to many relationship with Data assist

Thread began 8/09/2011 1:55 pm by kenpar300532 | Last modified 8/09/2011 4:37 pm by Jason Byrnes | 720 views | 1 replies |

kenpar300532

One to many relationship with Data assist

I currently have a list of members in my db. Members have various details about them in the db and work in specific counties. The issue I have is some members cover more than one county so I assume this is a one to many relationship. How do I use data assist to display this relationship?

Any help is most appreciated.

KJP

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Jason ByrnesWebAssist

this type of relationship is a many to many relationship.

since more than one member may also cover the same country, it is a many to many.

For a many to many relationship, you need to have a linking table.

A linking table is a table used to create the relationship between the member and country.

for example:

tblMemberCountry
memberCountryID - Primary Key
memberCountryMemberID - int - relates to the primary key column of the member table
memberCountryCountryID - int - relates to the primary key column of the country table


you would use the data assist manage relational table behavior to manage the relationships in the linking table.

Andrew reed posted this tutorial for working with the manage relational table behavior:
showpost.php?p=84393&postcount=17

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