
Figure 42: Validity choices for a cell range
To provide input help for a cell, use the Input Help page of the Validity dialog (Figure
43). To show an error message when an invalid value is entered, use the Error Alert
page (Figure 44). Be sure to write something helpful, explaining what a valid entry
should contain—not just “Invalid data—try again” or something similar.
Figure 43: Defining input help for a cell
Figure 44: Defining an error message for a cell with invalid data
Chapter 2 Entering, Editing, and Formatting Data 51
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