protected void NavigationHelperSaveState(object sender, SaveStateEventArgs e) { if (e.PageState == null) { throw new InvalidOperationException("PageState is null"); } if (e.PageState.ContainsKey(StateKey)) { e.PageState.Remove(StateKey); } var state = SaveState(); if (state != null) { e.PageState.Add(StateKey, state); } }
private void navi_SaveState(object sender, SaveStateEventArgs e) { }