ActivationChanging Property (DropDownClientEvents)

Syntax

Visual Basic

'Declaration
 
Public Property ActivationChanging As String

C#

public string ActivationChanging {get; set;}

Example

Visual Basic

WebDropDown1.ClientEvents.ActivationChanging = "WebDropDown_ActivationChanging"

C#

WebDropDown1.ClientEvents.ActivationChanging = "WebDropDown_ActivationChanging";

JScript

// The client event 'ActivationChanging' takes two parameters sender and e
// sender  is the object which is raising the event
// e is the DropDownActivationEventArgs
function WebDropDown_ActivationChanging(sender, e) {

    //Gets the new active DropDownItem object
    var newActiveItem = e.getNewActiveItem();

    //Gets the text of the new active item
    var newItemText = newActiveItem.get_text();

    if (!confirm("Are you sure you want to activate the item '" + newItemText + "'?"))
        //Cancels the ActivationChanging 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