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)
{
}
