I am trying to convert a json object that contains:
var dataold = [{
"DateGroup": "05/15/2012",
"Product": "Var1",
"Duration": 0
},{
"DateGroup": "05/15/2012",
"Product": "Var2",
"Duration": 53.999700
},{
"DateGroup": "05/15/2012",
"Product": "Var3"...