@model GreenTree.Nachtragsmanagement.Web.Models.Admin.User.IRequireRoleDataModel @{ var comboBoxSettingsAction = (Action)Session[ViewData["RolesComboBoxSettings"].ToString()]; } @if (Model == null) { Html.DevExpress().ComboBox(comboBoxSettingsAction) .BindList(ViewData["AllRoles"]).GetHtml(); } else { Html.DevExpress().ComboBoxFor(m => m.RoleId, comboBoxSettingsAction) .BindList(ViewData["AllRoles"]).Bind(Model.RoleId).GetHtml(); }