Hello! I would like to require the user to fill in a textbox before they can select a file for upload. Is there a javascript event that is fired on the click event of the select input? I want to prevent the file dialog from opening.
Thank you!
<
telerik:RadAsyncUpload
ID
=
"fuMediaUpload"
runat
=
"server"
AllowedFileExtensions
=
".MOV,.mp4,.wmv,.avi,.mpeg,.mpg,.mp3,.aac,.m4a"
EnableInlineProgress
=
"true"
MaxFileInputsCount
=
"1"
ControlObjectsVisibility
=
"None"
DisableChunkUpload
=
"false"
Skin
=
"Bootstrap"
MaxFileSize
=
"629145600"
ChunkSize
=
"10485760"
OverwriteExistingFiles
=
"true"
RenderMode
=
"Lightweight"
HideFileInput
=
"true"
localization-select
=
"Select Media File"
OnClientFileUploadRemoved
=
"OnClientFileUploadRemoved"
OnClientFileUploaded
=
"OnClientFileUploaded"
EnableViewState
=
"true"
>
</
telerik:RadAsyncUpload
>