This event fires when the current POST request is about to be uploaded.

Syntax

ASP.NET

<script type="text/javascript">
function Uploader1_BeforeSendRequest(){
    //...your code...
}
</script>
<aur:Uploader ID="Uploader1" runat="server">
    <ClientEvents>
        <aur:ClientEvent EventName="BeforeSendRequest" HandlerName="Uploader1_BeforeSendRequest" />
    </ClientEvents>
</aur:Uploader>

PHP

<script type="text/javascript">
function Uploader1_BeforeSendRequest(){
    //...your code...
}
</script>
<?php
    $Uploader = new Uploader("Uploader1");
    //...other params...
    $Uploader->getClientEvents()->setBeforeSendRequest("Uploader1_BeforeSendRequest");
    //...other params...
    $Uploader->render();
?>

JavaScript

function Uploader1_BeforeSendRequest(){
    //...your code...
}
$au.uploader({
    events: {
        //...other params...
        beforeSendRequest: [Uploader1_BeforeSendRequest],
        //...other params...
    }
})

Remarks

Depending on the upload settings (UploadSettings configuration), the currently uploaded POST request can contain:

  • a whole upload session, if FilesPerPackage is 0 and ChunkSize is 0;
  • a package, if FilesPerPackage is greater than or equal to 1 and ChunkSize is 0;
  • a chunk, if FilesPerPackage is 1, ChunkSize is greater than 0, and a size of the currently uploaded file exceeds the ChunkSize value.