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Unable to use filter in datasheet view or add criteria to query indesign view
Hello all,
I have a question regarding a custom function. The query results can't be filtered nor can a criteria be used in the design window to filter/ restrict the records. The function returns the correct answer for all the cases but I need the functionality to filter the results. Here is purpose, input and output and example uses: Purpose: If given 2 dates, a month and a year, the function returns the number of days that fall between the start and enddates, in the given month and year. Example 1, My_Function(#1/1/2010#, #1/15/2010#, 1,2010) Returns 14 BTW - 14 is correct because the end date is not considered a full day; another example: My_Function(#1/1/2010#, #1/15/2010#, 2, 2010) Returns 0 Input: StartDate As Date EndDate As Date intMonth As Integer IntYear As Integer Output: Integer value My problem: The results in the query can't be filtered nor can a criteria be used in the design window. Please let me know if you need more detail |
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Unable to use filter in datasheet view or add criteria to query in design view
HouBMan wrote:
I have a question regarding a custom function. The query results can't be filtered nor can a criteria be used in the design window to filter/ restrict the records. The function returns the correct answer for all the cases but I need the functionality to filter the results. Here is purpose, input and output and example uses: Purpose: If given 2 dates, a month and a year, the function returns the number of days that fall between the start and enddates, in the given month and year. Example 1, My_Function(#1/1/2010#, #1/15/2010#, 1,2010) Returns 14 BTW - 14 is correct because the end date is not considered a full day; another example: My_Function(#1/1/2010#, #1/15/2010#, 2, 2010) Returns 0 Input: StartDate As Date EndDate As Date intMonth As Integer IntYear As Integer Output: Integer value My problem: The results in the query can't be filtered nor can a criteria be used in the design window. There is something wrong in the query. Poast back with a Copy/Paste of the query's SQL view. -- Marsh MVP [MS Access] |
#3
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Unable to use filter in datasheet view or add criteria to queryin design view
You should be able to filter based on the results of the function.
SELECT SomeField, My_Function(#1/1/2010#, #1/15/2010#, 1,2010) as TheResult FROM SomeTable WHERE My_Function(#1/1/2010#, #1/15/2010#, 1,2010) = 14 What you cannot do is the following: SELECT SomeField, My_Function(#1/1/2010#, #1/15/2010#, 1,2010) as TheResult FROM SomeTable WHERE TheResult= 14 The latter query does not work because at the time the criteria is applied "TheResult" column does not yet exist. That is just the way Access (JET) SQL works. If this does not explain it for you, Please copy and post the SQL of your query that does not work. Also please tell us what error messages you encounter (if any). (Possibly unneeded instructions follow) Open the query Select View:Sql from the Menu Select all the text Copy it Paste it into the message John Spencer Access MVP 2002-2005, 2007-2010 The Hilltop Institute University of Maryland Baltimore County HouBMan wrote: Hello all, I have a question regarding a custom function. The query results can't be filtered nor can a criteria be used in the design window to filter/ restrict the records. The function returns the correct answer for all the cases but I need the functionality to filter the results. Here is purpose, input and output and example uses: Purpose: If given 2 dates, a month and a year, the function returns the number of days that fall between the start and enddates, in the given month and year. Example 1, My_Function(#1/1/2010#, #1/15/2010#, 1,2010) Returns 14 BTW - 14 is correct because the end date is not considered a full day; another example: My_Function(#1/1/2010#, #1/15/2010#, 2, 2010) Returns 0 Input: StartDate As Date EndDate As Date intMonth As Integer IntYear As Integer Output: Integer value My problem: The results in the query can't be filtered nor can a criteria be used in the design window. Please let me know if you need more detail |
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