I am currently getting a blank screen on the client-end with no error
message in the browser debugger, hence I am little unclear where the code
may be going wrong:
<script type="text/javascript">
function drawVisualization(dataValues, chartTitle, columnNames,
categoryCaption) {
if (dataValues.length < 1)
return;
var data = new google.visualization.DataTable();
data.addColumn('string', columnNames.split(',')[0]);
data.addColumn('number', columnNames.split(',')[1]);
data.addColumn('string', columnNames.split(',')[2]);
data.addColumn('datetime', columnNames.split(',')[3]);
for (var i = 0; i < dataValues.length; i++) {
//var date = new
Date(parseInt(dataValues[i].Date.substr(6), 10));
var date = new Date(parseInt(dt.getValue(row, 3)));
data.addRow([dataValues[i].ColumnName, dataValues[i].Value,
dataValues[i].Type, date]);
}
// Define a category picker control for the Gender column
var categoryPicker = new google.visualization.ControlWrapper({
'controlType': 'CategoryFilter',
'containerId': 'CategoryPickerContainer',
'options': {
'filterColumnLabel': columnNames.split(',')[2],
'filterColumnIndex': '2',
'ui': {
'labelStacking': 'horizontal',
'allowTyping': false,
'allowMultiple': false,
'caption': categoryCaption,
'label': 'Price Type',
}
}
});
var dateFormatter = new google.visualization.DateFormat({
pattern: 'dd MM yyyy' });
var line = new google.visualization.ChartWrapper({
'chartType': 'LineChart',
'containerId': 'PieChartContainer',
'options': {
'width': 950,
'height': 450,
'legend': 'right',
'hAxis': {
'format': "dd-MM-yyyy",
'hAxis.maxValue': 'viewWindow.max',
'maxValue': new Date(2014, 05, 30), 'minValue': new
Date(2014, 04, 05),
'viewWindow': { 'max': new Date(2014, 05, 30) },
},
'title': chartTitle,
'chartArea': { 'left': 100, 'top': 100, 'right': 0,
'bottom': 100 },
'tooltip': { isHtml: true }
},
'view': {
'columns': [{
type: 'string',
label: data.getColumnLabel(3),
calc: function (dt, row) {
var date = new Date(parseInt(dt.getValue(row,
3)));
return dateFormatter.formatValue(date);
}
}, 1, {
type: 'string',
role: 'tooltip',
calc: function (dt, row) {
return 'Name: ' + dt.getValue(row, 0) + ',
Decimal Price: ' + +dt.getValue(row, 1) + ', Date: ' +
+dt.getFormattedValue(row, 3);
}
}]
}
});
new
google.visualization.Dashboard(document.getElementById('PieChartExample')).bind([categoryPicker],
[line]).draw(data);
}
I am getting a blank screen on the client-end, with the following warning
only, in the console debug of my chrome browser:
*event.returnValue is deprecated. Please use the standard
event.preventDefault() instead. --> warning*
Please provide any guidance in how I can solve this issue. Thank you for
your response and time.
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