When Microsoft Access users complain that a parameter query
does not work, it may be that the Query Parameter’s data type does not match
the field’s data type.

For example, to obtain a listing of the hours each employee
worked for the week ending 05/20/2005, the user might enter 5/20/05. Since, by
default, the data type for a query parameter is text, it would not match a Week
Ending field whose data type is Date/Time and formatted as mm/dd/yyyy.

If you don’t want your users to concern themselves with date
formats, change the data type for the query parameter by following these steps:

  1. Open
    the Parameter Query in design view.
  2. Right-click
    the table pane.
  3. Select
  4. Under
    Parameter, type Enter Week Ending Date (your parameter prompt without the
  5. Select
    Date/Time from the Data Type drop-down box.
  6. Click

Now users can enter the week ending date in any format and
still obtain the correct results.

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