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1 answer
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As subject says, we load the combobox in a kendo window by demand.

Hence the combobox and window are not visible by default.

I wrote a short function to preselect either the entry with ID -1 if it exists - else I want the first entry to be displayed.

My problem is the dynamic loading of all that - my commands are executed in the databound event of the combobox - but it seems not to work as expected .. when I manually enter the needed command AFTER that kendo window with the combobox is displayed it works to a 'T' but not during regular execution ..

Can you give me some hints ?

 


                 onComboBoxDataBound: function (evt) {
                    var widget = evt.sender;
                    if (this.dataSource.total() > 0) {
                        // delete preselection then try to select entry with id -1
                        $('#modComboBox').data('kendoComboBox').input.select();
                        $('#modComboBox').data('kendoComboBox').input.val('');
                        $('#modComboBox').data('kendoComboBox').select(function (data) {
                            return data.id == -1;
                        });
                        // no selection then select first entry
                        if (widget.select() === -1) { // hint I found in stackoverflow
                            $('#modComboBox').data('kendoComboBox').select(0);
                        }
                    }
                },

I tried "waiting" for the kendo window to be displayed - but that waiting seems to interfere with normal code execution and prevents the "popup display" from being executed so the kendo window content is displayed behind other stuff 
Sven
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Iron
 answered on 18 Apr 2023
1 answer
203 views

Hi

 

How I can make cascade drop downlist inside a grid like in this example :

https://demos.telerik.com/kendo-ui/grid/editing-custom

Neli
Telerik team
 answered on 24 Jan 2022
1 answer
65 views

Hi,

I have a combbox where the choices are driven by a remote datasource as follows:

main.php
-----------------------
<script>
var dataSource = new kendo.data.DataSource({
    transport: {
        read: {
            url: "select_data3.php?type=123",
            dataType: "json"
        }
    }
});

$("#event_id").kendoComboBox({
    dataTextField: "Text",
    dataValueField: "Value",
    filter: "contains",
    dataSource: dataSource,
    placeholder: "Select a product",
});
</script>

<select id="event_id" style="width: 450px;">
</select>

 

select_data3.php
-----------------
<?php header('Content-Type: application/json');?>
[{"Text":"AUT","Value":"Austria"}, {"Text":"BEL","Value":"Belgium"}, {"Text":"BGR","Value":"Bulgaria"}]


It's unable to load remote data into combobox


And i had tried to
1. copy http://dojo.telerik.com/IzAWU to my localhost
2. download //demos.telerik.com/kendo-ui/service/Products to local folder
3. It's good for execute step1 directly
4. Show nothing, when i modify params to "//localhost/test/Products" and "json"


Neli
Telerik team
 answered on 27 May 2021
1 answer
26 views

I have Asp.net website , and telerik controls on it.  On page load I get ConvertFontToSpanfilter error as a alert. On clicking few times 'OK' on alert i am able to process normal.

I am not able to figure it out why it's happening . As i know we can disable the filter but is there any specific reason it's happening?

Neli
Telerik team
 answered on 17 May 2021
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