/// <summary>
/// If the key doesn't exist, the state is added to the <see cref="ViewState"/>,
/// otherwise the value of the state is updated
/// </summary>
/// <param name="name">Name of key of the state in the <see cref="ViewState"/></param>
/// <param name="state">Value or state</param>
private void AddOrUpdateState(string name, object state)
{
if (!ViewState.ContainsKey(name))
{
ViewState.Add(name, state);
}
else
{
ViewState[name] = state;
}
}
private void OnWizardStepOnPrevious(object sender, WizardStepEventArgs e)
{
if (e != null)
{
if (ViewState.ContainsKey(e.Name))
{
ViewState[e.Name] = e.State;
}
if (e.Position.HasValue)
{
NavigateTo(e.Position.Value);
return;
}
}
NavigateBackward();
}