ms access 2010 - How to show all items in Listbox that is linked to dropdown -


in access userform have listbox linked dropdown field. in dropdown field user can choose country, , listbox updates , shows records relevant country.

i have described how listbox filter based on selection in dropdown in question here.

while managed solve 1 problem there created another.

now when open form, listbox empty instead of showing records.

my question: how can show records in listbox begin , have user filter list based on dropdown?

the sql code in listbox following:

select tblfunds.morningsstar_fund_name, tblfunds.isin, tblfunds.rdr, tblisin_country_table.country tblfunds inner join tblisin_country_table on tblfunds.isin = tblisin_country_table.isin group tblfunds.morningsstar_fund_name, tblfunds.isin, tblfunds.rdr, tblisin_country_table.country, tblfunds.fund_selection having (((tblisin_country_table.country)=[forms]![frmmain]![ddncountry].[text]) , ((tblfunds.fund_selection)=0));

so ended solving 1 well... bit of online article can no longer find unfortunately (otherwise reference here):

select tblfunds.morningsstar_fund_name, tblfunds.isin, tblfunds.rdr, tblisin_country_table.country tblfunds inner join tblisin_country_table on tblfunds.isin = tblisin_country_table.isin group tblfunds.morningsstar_fund_name, tblfunds.isin, tblfunds.rdr, tblisin_country_table.country, tblfunds.fund_selection having (((tblisin_country_table.country) nz([forms]![frmmain]![ddncountry].[text],'*')) , ((tblfunds.fund_selection)=0));

the important part this...

like nz([forms]![frmmain]![ddncountry].[text],'*')) , ((tblfunds.fund_selection)=0));

essentially nz function lets return value when variant null. had return * ofcourse sql equivalent of return all.


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