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Access custom attributes in javascript

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This is a migrated thread and some comments may be shown as answers.
Jeremy
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Jeremy asked on 15 Sep 2010, 06:58 AM
Hi

In javascript how do I access custom attributes that I have added to a RadDatePicker in the code behind?

protected void Page_Load(object sender, EventArgs e)
{
    RadDatePicker1.ClientEvents.OnDateSelected = "LoadChildrenForDatePicker";
    RadDatePicker1.Attributes.Add("children", "someothercontrolid");
}


and the javascript:
function LoadChildrenForDatePicker(sender, e)
{
    if (e.get_oldDate() != e.get_newDate())
    {
        //doesn't work - throws error
        //var childs = sender.getAttribute("children");
        //doesn't work - returns null
        var childs = sender.get_element().getAttribute("children");
    }
}

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Radoslav
Telerik team
answered on 15 Sep 2010, 11:38 AM
Hi Jeremy,

Could you please try using the following code snippet and let me know if the issue still persists:
function LoadChildrenForDatePicker(sender, e)
{
   if (e.get_oldDate() != e.get_newDate())
   {
       var id = sender.get_element().id + "_wrapper";
       var childs = $get(id).getAttribute("children");
   }
}

Looking forward for your reply.

All the best,
Radoslav
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Jeremy
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answered on 16 Sep 2010, 01:32 AM
That works perfectly :)
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Radoslav
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Jeremy
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