public ActionResult Edit(CommerceInstanceEditorModel model, string @return) { var settings = _instanceManager.GetInstanceSettings(model.Name); settings.DisplayName = model.DisplayName; if (model.AdvancedMode) { settings.ConnectionString = model.ConnectionString; } else { settings.ConnectionString = null; settings.ConnectionStringParameters.Clear(); foreach (var param in model.ConnectionStringParameters) { settings.ConnectionStringParameters.Add(param.Text, param.Value); } } var manager = new CommerceInstanceSettingsManager(); manager.Update(model.Name, settings); return AjaxForm().RedirectTo(@return); }