select2 dependent dropdown

Questionsselect2 dependent dropdown
german asked 7 months ago

select2 dependent dropdown empty value is not shown for the second dropdown.

2 Answers
Abu Ghufran Staff answered 7 months ago

Quick solution is to add empty value in sql result using UNION. In parent dropdown, you can set this query for child with UNION. e.g. onchange sql:

“sql”=>”select ” as k, ‘-‘ as v UNION select distinct note as k, note as v from invheader WHERE client_id = ‘{client_id}'”

Abu Ghufran - Dev Team
Grid 4 PHP Framework
[email protected] answered 7 months ago

thank you sir,


I have used these methods .this works well.What i need is just default blank or select value at first and then followed by query values.


Thank you sir.

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