@model GreenTree.Nachtragsmanagement.Web.Models.Appendix.IRequireAppendixDataModel @{ var comboBoxSettingsAction = (Action)Session[ViewData["AppendicesComboBoxSettings"].ToString()]; } @if (Model == null) { Html.DevExpress().ComboBox(comboBoxSettingsAction) .BindList(ViewData["AllAppendices"]).GetHtml(); } else { Html.DevExpress().ComboBoxFor(m => m.AppendixId, comboBoxSettingsAction) .BindList(ViewData["AllAppendices"]).Bind(Model.AppendixId).GetHtml(); }