Something like this ?
SELECT [Project #], [Project Name], SubCategory, [Budgeted Hours], [Start Date], [As of As of Date], [End of Field Work], [Close Date]
FROM Project
WHERE [Project #] Like [Forms]![Project Listing]![Combo0]
AND ([Start Date] >= [Forms]![Project Listing]![Startbegin] OR [Forms]![Project Listing]![Startbegin] IS NULL)
AND ([Start Date] <= [Forms]![Project Listing]![StartEnd] OR [Forms]![Project Listing]![StartEnd] IS NULL)
AND ([As of As of Date] >= [Forms]![Project Listing]![Asofbegin] OR [Forms]![Project Listing]![Asofbegin] IS NULL)
AND ([As of As of Date] <= [Forms]![Project Listing]![Asofend] OR [Forms]![Project Listing]![Asofend] IS NULL)
AND ([End of Field Work] >= [Forms]![Project Listing]![Endbegin] OR [Forms]![Project Listing]![Endbegin] IS NULL)
AND ([End of Field Work] <= [Forms]![Project Listing]![Endend] OR [Forms]![Project Listing]![Endend] IS NULL)
AND ([Close Date] >= [Forms]![Project Listing]![Closedbegin] OR [Forms]![Project Listing]![Closedbegin] IS NULL)
AND ([Close Date] <= [Forms]![Project Listing]![Closedend] OR [Forms]![Project Listing]![Closedend] IS NULL);
Hope This Helps, PH.
Want to get great answers to your Tek-Tips questions? Have a look at FAQ219-2884 or FAQ181-2886