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This is my first request here, and I've read many of the other related posts on this same issue, but I'm STILL getting stuck and pretty much at my wits end on this... So any help is much appreciated! I've got the following Highcharts object on Page1.php, and I'm using AJAX to get data from Page2.php on page load as well as when a dropdown option is changed. (truncated for ease of reading): $(document).ready(function() { var e = document.getElementById("selOption"); //<--- This is the dropdown var domText = e.options[0].text; var domID = e.options[e.selectedIndex].value; var options = { chart: { renderTo: 'linechart', type: 'line' }, title: { text: 'Title for ' + domText }, subtitle: { text: '' }, xAxis: { type: 'datetime', dateTimeLabelFormats: { month: '%b %e, %Y', year: '%Y' } }, yAxis: { title: { text: 'Important Values' }, reversed: true, min: 0, max: 100 }, tooltip: { formatter: function() { return '<b>'+ this.series.name +'</b><br/>'+ Highcharts.dateFormat('%b %e', this.x) +': '+ this.y; } }, series: [] }; $.get('Page2.php?domID=' + domID,function(data) { $.each(data, function(key,value) { //var series = {}; //series.name.push(value); //series.data.push([value]); options.series.push(data); //alert(data); }); var linechart = new Highcharts.Chart(options); }); }); Page2.php has the following sending back the json: $sqlSelect = "SELECT Item1,Item2,Item3 FROM... "; $result = mysql_query($sqlSelect); while ($item = mysql_fetch_assoc($result)) { $name = $item['Item1']; $date = str_replace("-",",",$item['Item2']);

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