You can't refer to the columns by name, only by column index. You can
search through the DataTable to find the index of a column with a given
name, if that helps:
var index, name = 'my column name';
for (var i = 0, count = data.getNumberOfColumns(); i < count; i++) {
if (data.getColumnLabel(i) == name) {
index = i;
break;
}
}
On Tuesday, March 25, 2014 11:46:55 AM UTC-4, cyb wrote:
>
> Hi,
>
>
>
> ok great this works, but i have another question :)
>
>
>
> When i use the line chart example from my first post, i use the
> "dataView.setColumns(0,1);" to show or hide specific Columns..
>
> At the moment is use the column ID´s 0,1 or whatever.. But can i use
> instead of the Column numbers the name of the columns ?
>
> If i have this Data:
>
>
>
> var data = new google.visualization.arrayToDataTable([
>
> ['date','New York,'Austin'],
>
> [20111001,2,3],
>
> [20111002,5,6],
>
> [20111003,8,9],
>
> [20111004,11,12] ]);
>
>
>
>
>
> var dataView = new google.visualization.DataView(data);
>
>
>
> can i say dataView.setColumns('date','Austin'); ??
>
>
> I have dynamic data, the headers are on every file different.. At the
> moment i have 'date', 'New Yowk', 'Austin' but it can be anything like 'A',
> 'B', 'C' and so on..
>
>
>
>
> Best regards
>
> cyb
>
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