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Asked by Zach_G in Access Forms, Microsoft Access Database
I have a problem with a form in datasheet view not being able to reference a control in a subform.
I have an access 2007 database with two tables: tblProjects, tblTools. These are linked in a many to many relationship with tblProjects_Tools. I have a main form frmProjects and a subform sbfrmProjects_Tools that list all the tools and their cost associated with a project. In the footer of sbfrmProjects_Tools I have a text box named "Sum" that calculates the sum of "Cost". I then reference this control on the main form using another textbox with a control source of =[Forms]![frmProjects].[Fo
rm]![sbfrm
Projects_T
ools].[For
m]![Sum].
This all works fine and dandy in single form view but when I switch to datasheet view, I get an error message #Error unless I expand the subform with the little [+] button. My question is, how do I get the total cost to show up in datasheet view without having to expand all the subforms. Attached is my database, need to add .accdb to the end of the filename since Experts Exchange for some reason won't accept 2007 file extensions.
20090824-EE-VQP-74 - Hierarchy / EE_QW_3_20080625