Hi Pedro, Can't you check if "di" is present in the {Value1,Value2,...} set?
If needed, you can replace the curly brackets by curved ones and run the all expression by eval() Alexandre Neto A sábado, 23/11/2019, 13:48, Pedro Venâncio <pedrongvenan...@gmail.com> escreveu: > Hi all, > > I'm building a form with two fields of "Value Relation Widgets", one > depending on the other. > > This works really well as explained here https://youtu.be/ipezh4KXrgo by > Alessandro, but I would like that both fields have the multiple selections > option. > > Here is a sample project: > https://cld.pt/dl/download/db1a1787-0adc-4633-a0c9-356c41f269eb/drilldown_multiple.zip > > In that project, I have two shapefiles (one configured without and another > configured with 'Allow multiple selections') and two csv files (Value > Relation sources). > > So, without multiple selections option, I simply use > "di" = current_value( 'DISTRITOS') > as filter expression. > > This does not work with multiple selections, because this option saves the > multiple values between braces: {Value1,Value2,...}. > > So, how could I use the filter here, to have the second field filtered by > the options selected in the first field? > > Thank you very much! > > Best regards, > Pedro Venâncio > _______________________________________________ > QGIS-Developer mailing list > QGIS-Developer@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
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