troubleshooting Question

MSAccess Database table Set up using Lookups

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Lambel asked on
Microsoft Access
6 Comments1 Solution259 ViewsLast Modified:
I have 2 tables: tblRegions, tblSites.  tblRegions has one field: Regions.  tblSites has two fields SiteID and SiteName.  
Each Site is a subset of one Region.  So Regions has a 1:n relationship with Sites.  I want to create a table that assigns the relationships between regions and sites.  I've called it tblRegionsSites.  It has three fields: SitesID, SiteName, Region.  I want to use a lookup to allow the user to create a record by selecting a SiteID, which would populate the SiteID AND the SiteName fields, then they would us a combobox to select the Region.  Does this sound like a reasonable setup?   I'm having trouble figuring out how to get the SitesName field to populate from the selection of a SiteID.  Can someone explain how to set this up, or, if it is a bad design, what a better approach would be?

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