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B4J Question B4J sqlite SUM(column) : java.lang.NullPointerException: Cannot invoke "String.trim()" because "in" is null
Hello everyone. Just a thing: I wish to do a SUM of amounts in a table (column named 'montant': With this code... Dim va As Double=sql.ExecQuerySingleResult( _ ' "SELECT SUM(montant) FROM depenses WHERE idlieu = " & f ) where f is an id in a list ( 'Dim f As Int=li.Get(t)') appears...- DALB
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- b4j comparison iteration sqlite sum
- Replies: 5
- Forum: B4J Questions