RadAsyncUpload Drag Drop functionality version

[Raju]

hi,

i am using telerik version 2011.3.1305.40. I do not have drag and drop functionality for RadAsyncUpload control.
1) I want to know from which version this functionality added.
2) Do i have this functionality in my current version(2011.3.1305.40)


Thanks
Raju

[Princy]

Hi Raju,

Starting from Q3 2011 RadAsyncUpload provides a new drag and drop functionality for uploading files.

Regards,
Princy.

[Raju]

I am using below code

<telerik:RadAsyncUpload ID="RadAsyncUpload1" runat="server" MultipleFileSelection="Automatic">
        </telerik:RadAsyncUpload>

But it's not working.

[Princy]

Hi Raju,

The Drag and Drop functionality relies on the HTML5 FileApi and Drag-And-Drop modules and therefore is available only in browsers which support the aforementioned modules.   As for now such browsers are Mozilla Firefox v. 4+ , Google Chrome , Safari v. 5+ . Please take a look into this demo regarding the working of this functionality.

Regards,
Princy.

[Avinash]

Hi ,
I am using version 2011.2.915.40 of the telerik.web.ui .it supports drag and drop on RadAsyncUpload in chrome,not supported in ie10,11

 I tried with newer version its working.

How can we support to ie10,11 with out updating to the telerik.web.ui  new version? like adding the script file or override the existing drag event

 

Thanks

Avinash

 

 

[Marin Bratanov]

Hello Avinash,

I have replied to your support ticket with this question, and I am pasting my answer here so it is available to anyone else having a similar question.

-----

The shortest possible answer to your direct question is, I'm sorry to say, "no". This is a big feature and it is not possible to extract it in a simple function override.

That said, I strongly advise that you review the remaining information below as it may be important in your decision making process.

There are a few important factors pertaining to the drag-and-drop feature:

• The following article explains the requirements for this feature to work and which is the release that first has it (Q3 2011): https://docs.telerik.com/devtools/aspnet-ajax/controls/asyncupload/functionality/drag-and-drop-upload.
• The following article treats which browsers are supported by a certain release (those available at the time of the release): https://docs.telerik.com/devtools/aspnet-ajax/licensing/old-versions-support-policy#new-browsers-compatibility.

To distill the information from the articles above - the 2011.2.915 version cannot support drag and drop in any browser. The fact that it works in Chrome is because Chrome have implemented it in a bacwards compatible way for the <input type="file" /> element itself (that, is, you can drop a file on the input and it will be accepted). Also, such an old version cannot support IE10 or IE11, or any newer browser (including the current Chrome versions).

All that being said, the best advice I can offer, so you can get support for the current browsers and features, is that you upgrade to the latest version (R1 2018 at the time of writing).

Regards,
Marin Bratanov
Progress Telerik