Cannot read property 'length' of undefined
Cannot read property 'length' of undefined

Below is what i get in json. I do not know how to configure d to data
d: "[{"Apple":507,"Orange":6,"Mango":75,"Grapes":638,"City":"SAN ANTONIO","State":"TX"},
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Answers
I have the same issue. AJAX digest as
"columns": [ { ajax_obj_name : ajax_obj_value }]
doesn't workYou need to use
ajax.dataSrc
, specify 'd'. See example hereYeah, found it too. Is kind of not clear described.