I'm currently using access 2003. I have a sub form that is linked to a table with a few fields including a reference id (explained later) and an auto number.
the reference id refers to an aspect of the main form that is then used in a where statement for the recordset for the subform.
(example to explain. we are looking at item 1 on main form. subform shows all records where reference id = 1)
I was trying to use an after insert event to go and update the database, but that is not firing and not erroring.
question: what could cause this to not fire/what is a solution to this -or- what is another/better method to solve this problem?
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Have you considered linking the main and subform with the master and child links fields? Without knowing your field names, you would use the reference id of each form as those link fields. This method will automatically display subform records related to the main form's reference id without having to set the subform recordsource manually.
Linking the two forms requires that there be a relationship between the dataset of the main form to the dataset of the subform. It's typically a one to many relationship. You would have a field that is common with both and that's typically the Primary Key of the main form's dataset and a the Foreign Key in the subform's dataset. I think you already have this situation. If that is true then just select the subform CONTROL (not the subform IN the control) and in the subform property sheet go to the Data Tab. Then set the Link Child Field and the Link Master Field to the field that relates the two datasets. Pulldown the field list along side each property. The way it looks to the datasets is something similar to this:
Main Form Dataset
*************
MainID - PK Autonumber Long Integer<---------Master Link Field
otherfields
etc,
Sub Form Dataset
*************
SubDetailID - PK Autonumber Long Integer
MainID - FK Long Integer <------Child Link Field
otherfields
etc.
So in the example above in the Link Master Field you would select MainID and in the Link Child Field you would also select MainID. Now when ever you move to a different record in the Main Form, the subform will display the data related to it if there is any. If you want to you can edit the subform data to edit data related to the main form. You can even add additional subform records. This is also cool when you use a Combobox to lookup a record in the Main Form.
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by: heer2351Posted on 2005-07-06 at 15:06:04ID: 14382804
After insert will only fire on a bound form. Is your main form bound?
If it is bound you should link the sub form to the main form iso using the where clause.