Check documentation for the latest version 6.0 of dhtmlxSuite bind DHTMLX Docs

bind

binds 2 dataStore objects (just for filtration one of datasets. Changes in the master dataStore [creating, updating, deleting] doesn't reflect in the bound dataStore).

void bind(object target,function rule);

Parameters

targetobjectthe object that method is assigned to
rulefunctionsets the rule according which components will be bound

Example

var data1 = new dhtmlXDataStore({ url:"../data/data1.json", datatype:"json" });
var data2 = new dhtmlXDataStore({ url:"../data/data2.json", datatype:"json" });
 
data2.bind(data1, function(tobj, sobj){
    if (sobj)
        return tobj.id == sobj.id;
});

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