<telerik:RadAsyncUpload ID="UploadFile" runat="server" MultipleFileSelection="Automatic"
OverwriteExistingFiles="true" ReadOnlyFileInputs="true" InputSize="45" EnableViewState="true" TargetFolder="~/UploadedFiles">
Steps to reproduce:
Documentation says Firefox should be ok with LastModifiedDate, but it's not. It's consistently being set to 1/1/0001 12:00:00 AM, which is not useful.
Happens in any RadAsyncUpload example if you look at the value for LastModifiedDate in the AsyncUploadedFile objects.
Works fine in Chrome, Edge. Fails in Firefox for Mac or Windows.
I would be nice to gain more control over radasyncupload's upload behavior when using database as storage for uploaded files. Consider this use case. You have file management web-app that uses SQL database as storage for uploaded files. In SQL database you use Filestream enabled table to store the uploaded file data. You like to allow your app users to upload multiple big files > 100 Mt at once. And you have limited disc space on your web server hosting your app. So you don't want to buffer those uploaded files on your web server in any point of the upload process. To be able to do so radasyncupload needs to be able to stream uploaded files to the SQL database as straight as possible. Chunk by chunk. radasyncupload already has feature that allows you to use your own generic handler to handle some of the upload process. It just needs expose some of those events that happens before process-event (maybe ProcessRequest?). So developer can start handling the HttpPostedFile's InputStream at the begining of the upload and stream it directly to the database. Like one can do with the regular upload controls like so: Public Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest Dim hpf As HttpPostedFile For i = 0 To context.Request.Files.Count - 1 hpf = context.Request.Files.Item(i) ... Using Command As SqlCommand = New SqlCommand(String.Concat("INSERT INTO Dokuments(DokumData...) values (@DokumData...)"), connection) 'Other params Command.Parameters.Add("@DokumData", SqlDbType.Binary, -1).Value = hpf.InputStream connection.Open() Command.ExecuteScalar() connection.Close() Next End Sub
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Currently the AsyncUpload saves the chunks in the Temporary folder using the original name of the file, the Process method of the Custom handler. When the Temporary folder name is very long, it can hit the Windows path length limitation of 260 symbols.
The drop zone and the custom drop zones are shifted below their expected positions in Edge 40. Check the following video demonstration https://www.screencast.com/t/2m8SxR8jbwb. The problem is reproducible in the http://demos.telerik.com/aspnet-ajax/asyncupload/examples/draganddrop/defaultcs.aspx demo.
Why not add a "basic mode" to radasyncupload? that saves the selected file(s) in the target folder as soon as the upload is complete without the need for an extra postback? Or facilitate a postback through a popup "upload complete" with an ok button? And a little feedback in general on the documentation nearly all the examples have all the bells and whistles active, which makes them hard to read for programmers with little experience like me. Why not have every control with a absolutely minimalistic example that only shows the core functionality?
File drag and drop is broken in MS Edge Creator's Edition. Reproducible in the following demo: http://demos.telerik.com/aspnet-ajax/asyncupload/examples/draganddrop/defaultcs.aspx
The RadAsyncUpload control is used on forms with other controls, and sometimes we need to validate the control, that is require that the user uploads a file before the form can be submitted. We have to use a Customvalidator and check the controls client-side properties to see if it has a file. But if you set the ControltoValidate property an exception occurs. Please support this property so that a radAsyncUpload control can be associated with an ASP.Net validator.
I am using the RadAsyncUpload with UploadedFilesRendering="BelowFileInput". This works fine, but I would like the list to appear in the order they are selected not the reverse order. Is there away to accomplish this? It should look like the UploadedFilesRendering="AboveFileInput" list but appearing below. This should be a feature of the control which currently limited to above in the order they are select or below the reverse order. In either case you should be able to select the order the files are displayed in the UI.
We would like the ability to perform drag and drop upload when using the Silverlight module. We have found and have much support from forums and posts that the FileApi module does not work with environments with Windows Authentication and IE 11. This is due to a know IE bug that is not going to be fixed. http://www.telerik.com/forums/telerik-async-upload-fails-in-ie11-on-load-balancer http://www.telerik.com/forums/radasyncupload-freezes http://www.telerik.com/forums/ie11-freezes-when-is-used-async-upload Although I can disable the FileApi, doing so prevents us from using the much loved drag and drop.
We would like to upload a folder's structure and content via asyncupload drag and drop functionality. This functionality exists with Chrome and FireFox now. Please add. Thanks.