Version

ItemCollapsing Property (DataMenuClientEvents)

Gets or sets javascript function name that will handle ItemCollapsing event on the client
Syntax
'Declaration
 
Public Property ItemCollapsing As String
public string ItemCollapsing {get; set;}
Example
WebDataMenu1.ClientEvents.ItemCollapsing = "WebDataMenu1_ItemCollapsing"
WebDataMenu1.ClientEvents.ItemCollapsing = "WebDataMenu1_ItemCollapsing";
// The client event 'ItemCollapsing' takes two parameters sender and e
// sender  is the object which is raising the event
// e is the DataMenuItemCancelEventArgs
function WebDataMenu1_ItemCollapsing(sender, e) {

    //Gets the DataMenuItem object that is collapsing
    var Item = e.getItem();

    //Gets the text of the collapsing item
    var ItemText = Item.get_text();

  if (!confirm("Are you sure you want hide child items under the item '"+ItemText+"'?"))
   //Cancels the ItemCollapsing event
   e.set_cancel(true);

}
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also