Hello Telerik/Kendo People,
I have been noticing a certain lag in my application's responsiveness and using Chrome's developer tools to debug, I found out that the JS calls are being slowed with the following verbose console logs:
[Violation] Added non-passive event listener to a scroll-blocking 'touchstart' event. Consider marking event handler as 'passive' to make the page more responsive. See https://www.chromestatus.com/feature/5745543795965952
jquery-1.12.3.js:4932
The relevant SO question pointing to this is in this link:
Given jQuery is still in the implementation of a fix for this issue through their library, I wonder what Kendo recommends as a workaround for this issue.
Thanks.

Hello
Are there any plans for annotation layer?
Thank you
Jeff

Hi,
Im basing this question on the Upload Confirmation Dialog (https://docs.telerik.com/kendo-ui/knowledge-base/upload-confirmation-dialog). If the user selects 'Cancel' all the existing files are visually cleared. After this I would like to re-add (visually) any existing files.
I've tried setting 'e.sender.options.files' to the initial file list, and while the widget data is updated, its not updated visually. See Dojo, https://dojo.telerik.com/odoDODUZ.
Note: Your original demo doesnt actually work, the upload continues to fail, however I've tested the behavior in my local environment, and it is as I've described.
Please advise, Thanks,
Grant

Is possible to add alphabetical order after number in index items in kendo editor. Here we used Kendo UI v2015.2.902 and struggle regarding this. If its possible please share programming coding also.
For example :
1.a,
1.b,
1.c,
1.1.a
2.c
2.d

Hi,
I have the following code in a global.js library:
$.ajaxSetup({ // A pre-request callback function used to modify the xhr object before it is sent beforeSend: function(xhr){ // Set csrf if request type is POST, PUT or DELETE if (this.type !== "GET") { xhr.setRequestHeader(csrfHeader, csrfToken); } }});This set the csrf token for any REST call that modifies data (POST, PUT, DELETE).
The problem is that the Upload widget does not use it, and the server requests are being rejected due to missing authorization (403 Response). This forces me to init. my Upload widget with the following callback:
upload: function(e) { // Adds the csrf tokens to perform POST REST calls const xhr = e.XMLHttpRequest; if (xhr) { xhr.addEventListener("readystatechange", function() { if (xhr.readyState === 1 /* OPENED */) { xhr.setRequestHeader(csrfHeader, csrfToken); } }); }}
Please advise why this is necessary and why this is required. Does the Upload not use jQuery to execute the Ajax calls?
Thanks
Grant
I'm using the multselect dropdown which is being populated from a db, how can I capture what the users is typing in the box, so I can filter based off of what the user is typing?
Example: if they start typing:
John
i want to pass John to my service and filter the users that are named John.
If I use var x = $('name').data("kendoMultiSelect').text();
I get an error: Cannot read property 'text' of undefined. Is there another way to grab the text from the multiselect?

Hi,
Currently we have data that 1 parent can have multiple children meanwhile a child can belongs to multiple parents. Does treelist support this scenario?
Per what we see now the child will be placed under only 1 parent (maybe the 1st one) but other parents don't have this child available.
Thanks.

Hello,
There is a question that needs to be solved first.
Q. How do multiple dropdownlists use a single datasource?
This question is not "showing the same data".
(call by value)
"Accessing only one data source address that shares data attributes, changed current values, etc."
(call by address)
If this question is resolved, you should move on to the next question.
The solution I want is this:
All dropdownlists exist in multiple rows in a grid.
If you selected data 0 in row 0, you should not be able to select data 0 in another row.
I've seen the example below, but it's not a way to disable the data I've selected, only to manually disable it.
What is the way?