message box when cell is blank
Column A (any row): might have text or might not Column B (any row): text is added manually If you try to enter text into column B (in any row) AND the adjoining cell in column A (in any row) is blank then pop up a warning. So column A, row 4 has text. You can enter text into Column B, row 4 If column A, row 4 is blank and you try to enter text into column B, row 4 it throws up a warning.