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Very poor performance in IE9
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This is a migrated thread and some comments may be shown as answers.
Clemens
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Clemens asked on 04 Dec 2015, 11:25 AM

Hi,

I am using the latest Version of the trial Kendu UI.

A empty gantt needs up to 10sec to get rendered. Sometimes the site crashs cause of gantt. However, grids are working fine. 

Are there some known issues using gantt in combination of IE9? Simple examples like http://dojo.telerik.com/usOWA are not working proper.

In chrome the performance is much better but I have to deal with IE9.

 

I'm looking forward to an answer ore some hints.

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Dimitar Terziev
Telerik team
answered on 08 Dec 2015, 07:42 AM
Hi Clemens,

We haven't made any changes to the gantt widget, which might cause such a delay, in addition to that we haven't received any complains regarding the performance so far. In order to identify what is causing this behavior at your end, could you please use the browser's in-build profiler to profile the page where the gantt is being used and send us the profiler file so we could inspect it locally.

Regards,
Dimitar Terziev
Telerik
 
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Clemens
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answered on 11 Dec 2015, 09:24 AM

Hi, 

I could solve the performance issue. I defined explicitly views ( views: ['day', 'month','year']) and now it works about 10 times faster.

 But I got now a further problem with ie9. Its not possible to open summary views properly. It causes an error in kendo.all.min.js, row 13 char 29343. 

r.prototype=new t,r.prototype.nodeName="#text",r.prototype.render=function(e,t){
                var n;
                t.nodeName!==this.nodeName?(t.remove(),n=document.createTextNode(this.nodeValue),e.appendChild(n)):(n=t.node,this.nodeValue!==t.nodeValue&&(n.nodeValue=this.nodeValue)),this.node=n
            }

 

n.nodeValue is an invalid argument. In chrome and firefox everything works fine!

 

Just ask for further information. Unfortunately a profiler file is not possible.

 

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Dimitar Terziev
Telerik team
answered on 14 Dec 2015, 07:52 AM
Hello,

Could you please clarify what do you mean by not been able to open summary views properly. Here is a video of the behavior of our online demos when tested with IE9. As it is shown in the provided video, the gantt widget is working correctly at our end.

Regards,
Dimitar Terziev
Telerik
 
Join us on our journey to create the world's most complete HTML 5 UI Framework - download Kendo UI now!
 
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Clemens
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Dimitar Terziev
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Clemens
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