onBeforeUpload |
This event is fired before the upload request is sent.
Syntax
| Inline HTML | <div cordysType="wcp.library.util.Upload" onBeforeUpload="handler" /> |
| Event Property | object.onBeforeUpload = handler |
Event Information
| To invoke | Call theuploadfileoperation on the object. |
| Default Action | Initiates any action associated with this event. |
| Named Script | onBeforeUpload |
Event Object Properties
An event handler can access the event object and its properties through the eventObject available as a parameter on the handler.
| Property | Description |
|---|---|
| srcElement | Object that denotes the Upload control. All properties of the object are available for update. |
| returnValue | Boolean that denotes whether the upload operation can be continued or not. To cancel the event, you can set the value of this property to false. |
| true | Default. Upload operation must be continued. |
| false | Upload operation must not be continued. |