1. The message is: Uncaught TypeError: Cannot read property '0' of undefined Any idea? Thanks! El martes, 21 de mayo de 2013 15:34:48 UTC+2, asgallant escribió: > > Open it in Chrome, view the developers console (ctrl+shift+j to open), and > select something in the chart - what error messages appear in the console? > > On Tuesday, May 21, 2013 2:58:48 AM UTC-4, John wrote: >> >> Thanks for help me, buI tried that and I will not. >> I assume that the user will select one just because they can make more >> selections at a time. >> The first line if it works (var selection = Chart.getSelection();), but >> the second is not.(var name = dataTable.getValue(selection[0].row, 3);) >> It freezes the chart and unresponsive to new interactions. >> >> >> >> >> El lunes, 20 de mayo de 2013 18:49:19 UTC+2, asgallant escribió: >>> >>> The selection object is typically an array, which potentially contains >>> multiple selected data points. If you are assuming that your users are >>> only selecting one point (or the chart doesn't support multiple >>> selections), then this is what you would do: >>> >>> var selection = Chart.getSelection(); >>> var name = dataTable.getValue(selection[0].row, 3); >>> >>> On Monday, May 20, 2013 12:13:11 PM UTC-4, John wrote: >>>> >>>> How I can get the name of the tooltip. >>>> I'm using the event 'select' and the function getSelection and >>>> getValue, but the line getValue not work fine. I trie with several types >>>> code and I couldn't get the name. >>>> >>>> The code is: >>>> >>>> var selection = Chart.getSelection(); >>>> var name = >>>> dataTable.getValue(selection.row[0],selection.column[3]); >>>> >>>
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