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4 answers
197 views
Hi everybody,

I have a problem - as the tittle says - with data binding when given element is in external file.
For example this button is in file 'views/login_form.html':
<button id="form_submit" data-bind="events: { click: submit }" >
Sign in
</button>
and this is the model for this click action:
var viewModel = kendo.observable({
  submit: function(e) { 
    e.preventDefault();
    alert(2);
});

kendo.bind($("#form_submit"), viewModel);
When this button is index.html then everything works just fine, but when I put in in external file - well, it doesn't work. It also doesn't throw any errors - just nothing happens.

How can I fix this?
Mateusz
Top achievements
Rank 1
 answered on 19 Dec 2013
2 answers
177 views
So I have a chart which is configured using the MVC style configuration...

@(Html.Kendo().Chart<DIMVC.ViewModel.CompanyProduction>(Model.CompanyProduction)
     .Name("DINETChart")
     .Title("Files sent through DINET")
     .Legend(legend => legend
         .Position(ChartLegendPosition.Bottom)
     )
     .ChartArea(chartArea => chartArea
         .Background("transparent")
     )
     .SeriesDefaults(seriesDefaults =>
         seriesDefaults.Line().Style(ChartLineStyle.Smooth)
     )
    .Series(series => {
         series.Line(model => model.SentFiles, model => model.Note)
               .Name("Sent Files")
               .Notes(notes => notes.Label(label => label.Position(ChartNoteLabelPosition.Outside)).Position(ChartNotePosition.Top));
    ....  { lots more series added here }
     .CategoryAxis(axis => axis
         .Categories(model => model.MonthDisplay)
        .Labels(labels => labels.Rotation(-90))
     )
     .ValueAxis(axis => axis.Numeric()
          .Labels(labels => labels.Format("{0:N0}"))
         .MajorUnit(10000)
     )
     .Tooltip(tooltip => tooltip
     .Visible(true)
     .Format("{0:N0}")
     .Template("${(value).toFixed(2)} ${series.name} <br /> ${((value / (dataItem.ReceivedFiles + dataItem.SentFiles)) * 100).toFixed(2)}%")
     )
     .Events(e => e
     .SeriesClick("onSeriesClick")
)

I also have a slider on the page. When the slider value is changed I handle this event.
@(Html.Kendo().RangeSlider()
.Name("yearRange")
.Min(2000)
.Max(DateTime.Today.Year)
.SmallStep(1)
.LargeStep(5)
.Values(Model.MinYear, Model.MaxYear)
.Events(e => e.Change("yearRangeChange"))
)

    function yearRangeChange(e)
    {
         var url = "/FetchData/";

         $.ajax({
             type: "GET",
             url: url,
             data: { startYear: e.values[0], endYear: e.values[1] },
             dataType: "json",
             success: function (json) {

            $("#DINETChart").kendoChart({
                dataSource: {
                   data: json
            }
        });

         var chart = $("#DINETChart").data("kendoChart");
        chart.refresh();
     }
 });
}

now when the chart is updated the grid is just blank.

The json request is successfully called and the data is retrieved.
but after the chart is populated the chart is blank.
Alexander Valchev
Telerik team
 answered on 19 Dec 2013
6 answers
352 views
hi.
I found the splitter's  resize event is activated before the pane's size change. but I want  resize event activated  after pane's size changed, how?
Thanks.


Dimo
Telerik team
 answered on 19 Dec 2013
2 answers
500 views
Hi Team,
I have been observing that "Change" is the event that is called either when the datasource is populated or when a filtering happens on the grid.
i would like to identify these two actions separately. How's that possible with Kendo grid !
Infact, it would be happy to not call the "Change" event on filtering.

Looking for answers on this. Thanks in advance for the replies.
Vladimir Iliev
Telerik team
 answered on 19 Dec 2013
3 answers
117 views
I've set up a project following the KendoUI Mobile Music Store example and am having trouble binding my data to the model.

I've used the source code that is available on Github and can't seem to figure out how the DataSource is being populated without ever doing a DataSource.read();

The example I give below is my take on the example, but you could check out the artists-view.js to see the same.

Okay, the view javascript:
define(["kendo", "app/data"], function (kendo, data) {
 
    return {
        viewModel: kendo.observable({
            myData: data.myData
        })
    }
});
The relevant bits of the data class:
define(["jQuery", "kendo", "app/environment", "app/utils"], function ($, kendo, config, utils) {
    var DataSourceConfig = function (url, sortField, options) {
        this.transport = {
            read:
                {
                    url: url,
                    dataType: 'jsonp',
                }
        }
        this.sort = {
            field: sortField,
            dir: "asc"
        };
        $.extend(this, options || {});
    };
 
    DataSourceConfig.prototype = {
        type: "GET",
        requestStart: function () { if (this.pageSize() === undefined || this.page() === 1) { utils.showLoading(); } }, //infinite scrolling has its own, less obtrusive indicator
        requestEnd: function () { utils.hideLoading(); },
        error: function () { utils.hideLoading(); utils.showError("There was an error loading the data from the server. Please close the app and try again."); }
    };
 
    return {
        clear: function (dataSource) {
            dataSource.view().splice(0, dataSource.view().length);
        },
 
        myData: new kendo.data.DataSource(new DataSourceConfig(config.myDataUrl)),
    };
});
Now, this all works (sort-of) fine, but the datasource is never populated, and I feel like that is because the read() is never called.  How is this working in the example?
Alexander Valchev
Telerik team
 answered on 19 Dec 2013
1 answer
112 views
Hello,

we've got a point that our validation works, but it errors when finding the elements on the forms in order to show the messages.

as far as we see, finding (jquery .find() ) elements with a data- attribute causes a jquery Sizzle.error to be thrown.

I've attached some screenshots.

What can we do to resolve this ?

Thank you for a quick response.

Greetings

kendo mvc version v2013.2.716 
Petur Subev
Telerik team
 answered on 19 Dec 2013
2 answers
88 views
For example if I have
          object1, object2 and object3
These can only be dropped in Zone1

Then I have
   object4, object5 and object6
These can only be dropped in Zone2

how could I configure this?

Also I would like object 7 to be allowed to drop in either Zone1 or Zone2 but not Zone3
Dimo
Telerik team
 answered on 19 Dec 2013
1 answer
75 views
Hello,
could you advice me how to achieve following thing:
1. Let's assume I have list of objects with: Property1,Property2,Property3,Other
2. I can bind normaly Property1,Property2,Property3 to grid and it will be properly displayed.
3. Other property is in fact list of pairs

I would like to display all elements of that list in grid details. Could you tell me how to define such template? I know how to assign one value, e.g:
<label>#= Address #</label>
But how to bind many elements?

Best Regard
Marcin
Petur Subev
Telerik team
 answered on 19 Dec 2013
1 answer
271 views
Hi Support Team,

We have WPF client application with MS C#. Is possible to call Kendo UI Windows from WPF? If yes, can you give me a sample? 
BTW, we bought Kendo UI Web Complete license version. 

Thanks & Regards,
Petur Subev
Telerik team
 answered on 19 Dec 2013
1 answer
151 views
Hi Kendo Team,
We have a requirement where we need to dynamically create charts based on data on the same page currently we developing in Asp.net MVC. We have attached a sample requirement image of widgets where each widget contains a chart and some options for the user to change the chart settings like  chart type and date range etc.


Thanks
Vinay
Petur Subev
Telerik team
 answered on 19 Dec 2013
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