OnClientFileUploadRemoving

The OnClientFileUploadRemoving occurs before a selected file is about to be removed from the uploaded files collection.The event can be cancelled

The event handler receives two parameters:

1. The instance of the RadAsyncUpload control firing the event.

2. An eventArgs parameter containing the following methods:

• set_cancel lets you prevent the row from being deleted.

• get_cancel returns whether the removing has been cancelled.

• get_fileName the name of the file that is about to be removed from the uploaded files collection.

• get_row returns the row containing the file input field for the file that is just about to be removed (<li> element)

• get_rowIndex the index of the row that is about to be removed from the uploaded files collection.

ASPNET

<telerik:RadAsyncUpload RenderMode="Lightweight" runat="server" ID="RadAsyncUpload1" OnClientFileUploadRemoving="OnClientFileUploadRemoving"></telerik:RadAsyncUpload>

JavaScript

function OnClientFileUploadRemoving(sender,args) {

	if (args.get_rowIndex()==0) {
		args.set_cancel(true);
	}
}