I think I got it solved. Here is my code:
Code:
Private Sub ECompany_Combo_AfterUpdate()
Me.Vendor_ID = Me.ECompany_Combo.Column(1)
DoCmd.SetWarnings False
DoCmd.OpenQuery "Update Event with Vendor ID Query", acViewNormal
DoCmd.SetWarnings True
Here is my query:
Code:
UPDATE Event SET Event.[Vendor ID] = [Forms]![Event]![Vendor ID]
WHERE (((Event.[Event Name])=[forms]![Event]![QEvent Name Combo]) AND ((Event.[Event Date])=[Forms]![Event]![QEvent Date Combo]));
I had to have [event].[vendor id] on the form like you suggested. I hid it and it seems to be working.
Thank you