Ahh...the last row is probably missing from the rangeRows array.  Try 
building rangeRows like this instead:

// use every 10th row for the rangeFilter
var rangeRows = [];
for (var i = 0; i < data.getNumberOfRows(); i++) {
    if (!(i % 10)) {
        rangeRows.push(i);
    }
}

// check to see if the last row is included
// if it isn't, add it
if (rangeRows[rangeRows.length - 1] != data.getNumberOfRows() - 1) {
    rangeRows.push(data.getNumberOfRows() - 1);
}

See it in action here: http://jsfiddle.net/asgallant/zRjX5/ 

On Thursday, August 30, 2012 10:14:00 PM UTC-4, Ji Joe wrote:
>
> Thank yor for your advise.I did as your example. But when the chart 
> showed, the first right ten points in the chart  were missing. Are there 
> any solutions for this problem?
>
> 在 2012年8月31日星期五UTC+8上午12时53分13秒,asgallant写道:
>>
>> Performance problems with the ChartRangeFilter are usually because the 
>> data set contains a large number of rows of data.  If you use a DataView to 
>> filter the data rows used by the filter, then you might fix the performance 
>> problem.  Here's an example: http://jsfiddle.net/asgallant/zRjX5/ 
>>
>> On Thursday, August 30, 2012 3:48:02 AM UTC-4, Ji Joe wrote:
>>>
>>> I have painted some charts using google chart tools and it performs well 
>>> in chrome ,firefox or other bowsers even in IE9. But when i make it run in 
>>> IE8, it couldnot work.
>>> More specified , the chart with chartRangeFilter function usually do not 
>>> work, sometimes it perfoms, but the range of the control is in mess ,and 
>>> many options of chart are not work.
>>> sometimes it shows nothing and the ie warm jumps out to show my script 
>>> is wrong .
>>> Other charts can perform but need a long time wait.
>>> The problem really confuse me.Thank you a lot if you could give me a 
>>> help :-)
>>>
>>

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