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16_574272 ch14.qxd  10/1/04  10:40 PM  Page 75
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                                                                                          Information Please!
                      all the cells from B3 down B15 use the same data val-  Because the All option button underneath the
                      idation criteria. When you put the cell pointer in any  Data Validation option is automatically selected
                      of those cells, a drop-down button appears on the      by default, Excel selects all the cells and cell
                      right side of the cell. When clicked, this button      ranges in the worksheet that have some type of
                      reveals the city drop-down list.                       data validation criteria assigned to them.
                                                                         4.  Use the Enter or Tab key to move the cell
                      Finding cells using data validation                    pointer around the selection from cell to cell
                                                                             and from cell range to cell range.
                      Most data validation settings that you assign to cells
                      are invisible. (Okay, the List setting may be the  5.  To find out what type of data validation a par-
                                                                             ticular cell in the selected range uses, choose
                      exception here, but even the List setting is invisible
                                                                             Data➪Validation and check out its criteria on
                      when the cell pointer isn’t in the cell.) To help you
                                                                             the Settings tab.
                      locate the cells in the active worksheet that use
                      some sort of data validation criteria, you can use the
                      Go To feature to find (and select) them:                 In a spreadsheet that uses many different
                                                                               types of data validation settings, you can find
                        1.  Press F5 or Ctrl+G to open the Go To dialog box.   all the cells that use the same criteria. To do so,
                                                                               position the cell pointer in a cell that you know
                       2.  Click the Special button to open the Go To          uses the criteria you want to find, open the
                           Special dialog box.                                 Go To Special dialog box, click both the
                                                                               Data Validation and Same option buttons,
                       3.  Click the Data Validation option button and         and click OK.
                           click OK, as shown in Figure 14-5.

                                                                        Information Please!


                                                                        The only problem with data validation is that
                                                                        because it’s invisible to spreadsheet users, many
                                                                        times the only way they know they’ve hit a cell that
                                                                        uses it is when they try to make what the cell now
                                                                        considers an invalid entry. When anybody tries to
                                                                        complete an entry with text or a value that is ver-
                                                                        boten in the cell, Excel beeps at them and then dis-
                                                                        plays an alert dialog box with the following
                                                                        unhelpful message:

                                                                          The value you entered is not valid.
                                                                          A user has restricted the value that can
                                                                            be entered into this cell.

                                                                        The user can then click the Retry button and try to
                                                                        put something in the cell that Excel does find accept-
                                                                        able, or he or she can click the Cancel button and
                      • Figure 14-5: Finding all the cells in the worksheet that use  forget the whole thing.
                                 data validation.
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