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:
- Open the Parameter Query in design view.
- Right-click the table pane.
- Select Parameters.
- Under Parameter, type Enter Week Ending Date (your parameter prompt without the brackets).
- Select Date/Time from the Data Type drop-down box.
- Click OK.
Now users can enter the week ending date in any format and still obtain the correct results.
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