Hi,
I have looked at this for you.
Due to the way you are setting the pictures on the Door A, Door B sheet, i don't believe it is possible.
You can see the textbox is being transferred to these sheets as part of the image. It is no longer editable, as it is no longer a text box, merely a graphical part of the cell from the Pictures worksheet.
the other issue is, i presume you are selecting the door Style on the Data Input sheet before entering any dimensions on the Door sheets, at this point it has already 'captured' the image and transferred it.
The only way i could get it to work is to place the text boxes themselves over the ''picture' cells in the Door A, Door B sheets, and link the text boxes directly to the dimension cells on their own sheets. Make sure the text boxes are on top (bring to front), and they will sit on top of the image after you select it from the Data Input Sheet. The issue with this is that you may want textboxes in different locations depending on the style of the doors. I have not thought of a solution for this as yet.
Thought i would let you know my findings.
Happy to discuss further. But i believe the above to be completely accurate, and don't believe it is possible with your current method of setting the images.
Cheers,
Caleb.