AjaxControlToolkit.Accordion.OnLoad C# (CSharp) Метод

        protected override void OnLoad(EventArgs e)
        {
            _initialized = true; // just in case we were added to the page after PreLoad
            ConnectToDataSourceView();
            if(Page != null && !_pagePreLoadFired && ViewState[ItemCountViewStateKey] == null) {
                // If the control was added after PagePreLoad, we still need to databind it because it missed its
                // first change in PagePreLoad.  If this control was created by a call to a parent control's DataBind
                // in Page_Load (with is relatively common), this control will already have been databound even
                // though pagePreLoad never fired and the page isn't a postback.
                if(!Page.IsPostBack) {
                    RequiresDataBinding = true;
                }
                    // If the control was added to the page after page.PreLoad, we'll never get the event and we'll
                    // never databind the control.  So if we're catching up and Load happens but PreLoad never happened,
                    // call DataBind.  This may make the control get databound twice if the user called DataBind on the control
                    // directly in Page.OnLoad, but better to bind twice than never to bind at all.
                else if(IsViewStateEnabled) {
                    RequiresDataBinding = true;
                }
            }

            base.OnLoad(e);
        }