Re: Relationships howto

Wed, 01 Feb 2006 19:29:55 -0800

Hi, Jim,

The vocabulary of your message implies that you don't yet have an EOModel for your two tables and that you're thinking of them as tables, rows and columns rather than Entities, objects and attributes.

There is a section of the distributed WebObjects documentation that provides good tutorial information on the concepts you're asking about. You should be able to find it on your system here:


If you're not on a machine containing the downloaded documentation, you can get it online here:


If you read through that document and do the example, you should have the information to do most of what you're asking here.

Good luck,

Regards,
Jerry

On Feb 1, 2006, at 9:59 PM, Jim Wong wrote:

Hi:
help help!!

I have 2 tables. COMPANY and COUNTRY. in COMPANY, i have a country(integer type) attribute. in COUNTRY, i have ctryID(int type) and ctryName(string). Each ctryName will have a unique corresponding ctryID. 

in a web component, user will select from a WOPopup(which draws out all the ctryName from COUNTRY for display) a country of the company. Upon submit, I want the corresponding ctryID from COUNTRY to be in country of COMPANY. 

How do I create the relationships and make the bindings etc for the 2 tables and WOPopup? what codes do I have to enter manually like addObjectsToBothSidesOfRelationshipWithKey etc.?

thanks.

Warmest Regards,
Jim Wong

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__ Jerry W. Walker,
   WebObjects Developer/Instructor for High Performance Industrial Strength Internet Enabled Systems

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