Hi
For your subform to recognise the Visitor ID.
Open the parent form in design View
Click on the subform control
In the Data page of the properties sheet,
set Link Master Fields to Visitor ID
set Link Child Fields to the relevant field in the VisitorInterests table (your subform should be...
Hi
Assume your ProjectNumber text box is called txtPjNumber
As you said, you can put code in the Lost Focus event of the text box as follows:
--Beginning Code
If Me.txtPjNumber = 0 Or If IsNull(Me.txtPjNumber) Then
msgbox "Please enter Project Number"...
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