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Microsoft Access
Microsoft Access Forms
linking subforms to main form
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[QUOTE="Guest, post: 11297738"] I have created a master form (EventMaster) which includes two subforms (supervisorreview & customer). I also have 10 tab controls attached to the master form; each tab contains a subform which captures employee data (up to 10 employees; 1 employee per tab). There will always be data entered for the EventMaster, SupervisorReview, Customer, and at least 1 (but up to 10) Employee. The EventMaster, SupervisorReview, Customer, Employee1, Employee2, Employee3, etc. are separate tables. Since an event number could be used more than once, I have used Event Number and created an autonumber ID field to be used as the primary keys. Each table contains an autonumber ID field as well as event number. I have defined the subforms to link child fields and link master fields according to the autonumber ID & Event Number fields. The records seem to be linking properly for the master, supervisorreview, and customer, but I have a problem with the employee tabs. The event, supervisorreview, and customer information is entered, followed by information for at least one employee record. Not every record will have more than one employee record, but when I need to go to Employee2 tab and enter information, I receive the message :YOU CAN'T ASSIGN A VALUE TO THIS OBJECT. I am still able to continue entering data and it seems to be saving properly. That's one problem. My greater concern is that for those records that require information to be entered up to several employees, the autonumber ID does not match up. This makes sense in that if the first 5 records entered only contain 1 employee, the autonumber will be 5; but when I go to enter the first record that requires me to enter information for employee2, then the autonumber for employee1 is 6 and the autonumber for employee 2 is only 1. Help! I need to be able to maintain referential integrity and retrieve the data as one record. How do I fix this? [/QUOTE]
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