Hi Martin,

    I noticed then OnStateChange is called 2 times when we  change 
datasource.dataset.
   
    ex:
            If   <cond> then dso.dataset:=dssql1.dataset else 
dso.dataset:=dssql2.dataset 

1/  The first time dso.dataset become nil and the second time it is assigned 
with new value ?
2/  Is it possible to have last value of dso.dataset before it becomes nil or 
do I have to init new var with dso.dataset before onStateChange is fired?

Best regards.
Med

    
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