[Users] Dealing with dynamic data in featureStore and gridpanel

[Markus Innerebner]

Hello ,

I am trying to make an application that allows to launch sql queries from the client and returns a feature collection as result. 
This result have to be stored as well in a table as well in the map as features in a vector layer.

I have 
 -  a datastore: sqlDatastore
 -  a panel: sqlResultPanel (GridPanel)
 -  a container: sqlPanel (container in which i store the panel)
I already implemented this. The problem is, when the client performs a different query in which data and structure differs from the previous query, I instantiate a new FeatureStore, a new Grid Panel and a new Layer.
Unfortunately I realize that the old Grid Panel is not correctly removed from the container in which i added this panel and consequentially I see in the container both grid panels.

I did:

// remove grid components from container
sqlDatastore.removeAll(true);
sqlResultTablePanel.removeAll(true);
sqlPanel.remove(sqlResultTablePanel,true);
sqlResultTablePanel.destroy();

Is this the right sequence to destroy: datastore and grid panel?

Do you suggest me instead of instantiating a new Grid Panel to reuse the existing one and update only data store and column model?

thanks for your suggestion.

Markus
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