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Interesting issue with Demo 'Customizing templates' example

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Brad
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Brad asked on 16 Nov 2011, 09:34 PM
http://demos.kendoui.com/calendar/template.html

I began implementing a variation on the demo example using almost an identical array of dates. I noticed that all my dates were adding the template a month ahead of the date I configured. But, then I went back and looked back at the example and noticed that it's doing the same there.

Here's my code (also added a screen shot of the month the dates are rendering):

var assignments = [
        +new Date(2011, 12, 6),
        +new Date(2011, 11, 27),
        +new Date(2011, 11, 24),
        +new Date(2011, 11, 16),
        +new Date(2011, 11, 11)
];
 
$("#calendar").kendoCalendar({
    value: new Date(),
    month: {
        // template for dates in month view
        content: '# if ($.inArray(+data.date, [' + assignments + ']) != -1) { #' +
            '<div class="assignment"></div>' +
            '# } #' +
            '#= data.value #'
    },
    change: onCalendarChange,
    footer: "Today - #=kendo.toString(data, 'd') #"
});

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Georgi Krustev
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answered on 17 Nov 2011, 01:16 PM
Hi Brad,

 
Months in Date JavaScript object is zero based.

All the best,
Georgi Krustev
the Telerik team
Join us on our journey to create the world's most complete HTML 5 UI Framework - download Kendo UI now!
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Brad
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answered on 17 Nov 2011, 06:14 PM
Doh!

Yea, not the first time this has caught me. I thought it only applied to the return of getMonth and not the Date object constructor. 

Thanks for the reply!
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E
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answered on 19 Dec 2011, 12:39 PM
We are testing your product.
I try to do the same thing using millisecond on the date constructor and it appears that my dates doesn't show up in the calendar.
I can not understand why. If you wonder why am I setting Date with this constructor, well it's just becouse dates are stored as Ticks in my DB so it's very simple to get the number of milliseconds elapsed since 01/01/1970
This is my code:

<script type="text/javascript">
    $(document).ready(function () {
        var today = new Date(),
                        sessions = [
                         +new Date(1323925200000),
                         +new Date(1322888400000)
                        ];
        
        $("#calendar").kendoCalendar({
            value: today,
            month: {
                // template for dates in month view
                content: '# if ($.inArray(+data.date, [' + sessions + ']) != -1) { #' +
                                        '<div class="' + 'sessionday' + '">'+
                                     '# } #' + 
                                     '#= data.value #'
                                     +
                                     '# if ($.inArray(+data.date, [' + sessions + ']) != -1) { #' +
                                     '</div>'
                                     + '# } #' 
            },
            footer: "Today - #=kendo.toString(data, 'd') #"
        });
    });
</script>

Any millisecond to date converter gives me the right Date, so I don't know why these days doesnt show up on my calendar.
Thank you in advance for your help.
Eric
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E
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answered on 19 Dec 2011, 04:31 PM
it appears that in order to use the milliseconds with calendar my code should look like this (and I don't like it)
sessions = [
   +new Date(new Date(1323388800000).getFullYear(), new Date(1323388800000).getMonth(), new Date(1323388800000).getDate()),                              
   +new Date(new Date(1323907200000).getFullYear(), new Date(1323907200000).getMonth(), new Date(1323907200000).getDate()),                              
   +new Date(new Date(1323734400000).getFullYear(), new Date(1323734400000).getMonth(), new Date(1323734400000).getDate())                              
 ];

OR

since it is generated through razor, it could also be
sessions = [
  @{
   foreach(DateTime d in Model)
{
<text>+new Date(@d.Year, @d.Month-1, @d.Day),</text>}
}
];

which is more simple but need to be tested against potential issues with local times
What is the best practice ?
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Jelena
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answered on 02 Aug 2012, 11:48 PM
Based on this sample I am looking for a method to set or bind to MVC ViewModel. I need to show counts(of some server data) instead of icons. What is the best way of doing that? Is there is a method(besides navigate)? Would you please provide simple MVC binding sample. I appreciate any help.
Thank you in advance,
Jelena
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Brad
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Georgi Krustev
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Brad
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