Problem with radDatePicker

[Carlos]

hi, i have a problem.
I'm using the radDatePicker.
When I selected the date 18-oct-2009 or penultimate sunday of october at another year, the picker change the date for another date.
i try it on demo "http://demos.telerik.com/aspnet-ajax/calendar/examples/datepicker/custompopup/defaultcs.aspx" and i have the same problem.


Obs.: It always change to 1 day ago.


Version: RadControls for ASPNET AJAX Q2 2008
Framework 2.0
Language: C#
Browser: FireFox Mozilla/5.0 (Windows; U; Windows NT 5.1; pt-BR; rv:1.9.0.11) Gecko/2009060215 Firefox/3.0.11
               Internet Explorer 6.0.2900.5512.xpsp_sp3_gdr
               Internet Explorer 8.0.6001.18702IC

It's work on
              Internet Explorer 7.0.5730.13

thanks.

[Yavor]

Hello Carlos,

I tested the setup which you mentioned, and the control behaved as expected. The data was properly selected.
Attached to this message, is a screenshot of the application. Take a look at it and let me know if this is the expected behavior, or if I am leaving something out.

Kind regards,
Yavor
the Telerik team

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[Carlos]

Hi,

where can I access the demo you try it? I want to see this exemple , maybe there have the answer i need.
I didn't found this exemple.


thanks.

[Carlos]

I found it, but doesn't work here.
I don't know what happened.
I'm using Win XP PT-Br, it's a problem or not?
Try it at 3 machines and 1 work and 2 doesn't work.

All have the same S.O. and Service Pack

[Yavor]

Hello Carlos,

Can you please provide the details for the three different machines? OS, localization settings, VS version, controls version? Based upon this information, I will double-test the sample locally.

All the best,

Yavor
the Telerik team

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[Patricio Milán]

Hi Telerik Team, I found the similar problem with the RadDatePicker, the problem occurs to select the second sunday of october of any year. The control substract one day showing in the textbox one day ago.
IE if you choose 11/10/2009 the text shows 10/10/2009
The problem has been founded in the demo page too.
Mi environment is:
SO: Windows Vista Ultimate Spanish
Browser: IE8, IE7, Mozilla Firefox 3.0.5 and Mozilla Firefox 3.5.3
Country: Chile.

Patricio Milán M.

Jefe de Departamento de Software y Arquitectura – División Tecnología

Dirección de Compras y Contratación Pública

Ministerio de Hacienda

Gobierno de Chile

________________________________________

Monjitas 392, piso 8, Santiago - Código Postal 832-0113

( Tel

: (56 2) 290 44 49 

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Fax: [phone]

* e-mail: [e-mail] – www.chilecompra.cl

[Yavor]

Hello Patricio,

We tested the setup under Vista, with spanish settings and a Chile location. The control behaved as expected. This is demonstrated in the screenshot attached to this message.

Best wishes,
Yavor
the Telerik team

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[Patricio Milán]

Hi, I made this video http://foros.chilecompra.cl/Telerik_date/Telerik_date.htm that shows the problem with the control.

Patricio Milán M.

[Yavor]

Hello Patricio,

Can you please also specify the country/regional settings, which are actually applied to the machine? Are you able to replicate the same behavior on different machines/configurations as well?

Kind regards,
Yavor
the Telerik team

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[Ganesh Pote]

Hello Team,

I am also facing same problem with Telerik RadDatePicker control. When users select date from out of the country, the control substract one day from selected date while server processing.

For example - if I select 30 March 2012 then at server side I'm getting 29 March 2012.

Could you please help on this?

Thanks & Regards,
Ganesh D. Pote
 

[Vasil]

Hi Ganesh Pote,

It was due to Daylight Saving Time. There was a lot of written in the forums, you could search to find the discussions from last year.

In short when you select 30 March 2012 00:00:00. It turns back to 29 March 2012 23:00:00. Which is the previous day. And this happens because due to the DST the 30 March 2012 00.00.00 actually does not exist as time. In given region two seconds after 29 March 2012 22:59:59 the time is 30 March 2012 00:00:01.

We did some improvements in the DateInput to be able to handle when you change the time part explicitly on valueChanging. And then introduced a workaround that to work for days with DST changes.
You could download the latest version of the controls (Or any other version after Q3 2011) and use script like:

<script type="text/javascript">
  function valueChanging(sender, args)
  {
    if (args.get_newValue() == "3/29/2011")
    {
      args.set_newValue("2/29/2011 01:00 AM");
    }
  }

</script>
<telerik:RadDatePicker runat="server" DateInput-ClientEvents-OnValueChanging="valueChanging">
</telerik:RadDatePicker>

All the best,
Vasil
the Telerik team

[Nicolaï]

This is problematic...
When working with a date field in a database. There is no time part...
Then you go to javascript, and it really needs a time clause for dates... Causing real trouble if you want to do some date range calculations client side...

Suggestion: a real telerikDate object? Absolutely no time part in it... Many scenarios where you only need dates. Doesn't really make sense to include time shifts, causing a user selected date to change.

[Vasil]

Hello Nicolaï,

We are researching on ways for storing and displaying only date and only time parts when updating records with RadGrid if the database supports them. We are working on some solutions for the next release but at this time I could not promise that it will be implemented.

Regards,
Vasil
the Telerik team