_GridViewPartial.cshtml

@{
    var grid = Html.DevExpress().GridView(settings => {
        settings.Name = "GridView";
        settings.CallbackRouteValues = new { Controller = "Home", Action = "GridViewPartial" };

        settings.SettingsEditing.AddNewRowRouteValues = new { Controller = "Home", Action = "GridViewPartialAddNew" };
        settings.SettingsEditing.UpdateRowRouteValues = new { Controller = "Home", Action = "GridViewPartialUpdate" };
        settings.SettingsEditing.DeleteRowRouteValues = new { Controller = "Home", Action = "GridViewPartialDelete" };
        settings.SettingsEditing.Mode = GridViewEditingMode.EditFormAndDisplayRow;
        settings.SettingsBehavior.ConfirmDelete = true;

        settings.CommandColumn.Visible = true;
        settings.CommandColumn.ShowNewButton = true;
        settings.CommandColumn.ShowDeleteButton = true;
        settings.CommandColumn.ShowEditButton = true;

        settings.KeyFieldName = "ModelID";
        settings.SetEditFormTemplateContent(c => {
            var editItem = ViewData["Item"] != null ? ViewData["Item"] : c.DataItem;
            Html.DevExpress().FormLayout(set => {
                   set.Name = "FormLayout";
                   set.Items.AddGroupItem(groupSettings => {
                       groupSettings.Caption = "ModelGroup";
                       groupSettings.Name = "group";
                       groupSettings.Items.Add(item => {
                           item.NestedExtensionType = FormLayoutNestedExtensionItemType.TextBox;
                           item.Name = item.Caption = "Name";
                           item.SetNestedContent(() => {
                               Html.DevExpress().TextBox(tb => {
                                   tb.Name = "ModelName";
                                   tb.ShowModelErrors = true;
                               }).Bind(DataBinder.Eval(editItem, "ModelName")).Render();
                           });
                       });
                       groupSettings.Items.Add(item => {
                          item.NestedExtensionType = FormLayoutNestedExtensionItemType.DateEdit;
                          item.Name = item.Caption = "Date";
                          item.SetNestedContent(() => {
                              Html.DevExpress().DateEdit(tb => {
                                  tb.Name = "ModelDate";
                                  tb.ShowModelErrors = true;
                              }).Bind(DataBinder.Eval(editItem, "ModelDate")).Render();
                          });
                      });
                       groupSettings.Items.Add(item => {
                          item.NestedExtensionType = FormLayoutNestedExtensionItemType.CheckBox;
                          item.Name = item.Caption = "State";
                          item.SetNestedContent(() => {
                              Html.DevExpress().CheckBox(tb => {
                                  tb.Name = "ModelState";
                                  tb.ShowModelErrors = true;
                              }).Bind(DataBinder.Eval(editItem, "ModelState")).Render();
                          });
                      });
                   });               
               }).Render();
            Html.DevExpress().Button(
               btnSettings => {
                   btnSettings.Name = "btnUpdate";
                   btnSettings.UseSubmitBehavior = false;
                   btnSettings.Text = "Update";
                   btnSettings.ClientSideEvents.Click = "function(s, e){ GridView.UpdateEdit(); }";
               }
           )
           .Render();
            Html.DevExpress().Button(
                btnSettings => {
                    btnSettings.Name = "btnCancel";
                    btnSettings.UseSubmitBehavior = false;
                    btnSettings.Text = "Cancel";
                    btnSettings.ClientSideEvents.Click = "function(s, e){ GridView.CancelEdit(); }";
                }
            )
            .Render();
            
        });
        settings.SettingsPager.Visible = true;
        settings.Settings.ShowGroupPanel = true;
        settings.Settings.ShowFilterRow = true;
        settings.SettingsBehavior.AllowSelectByRowClick = false;
        settings.Columns.Add("ModelID");
        settings.Columns.Add("ModelName");
        settings.Columns.Add("ModelState");
        settings.Columns.Add("ModelDate");
    });
    if (ViewData["EditError"] != null) {
        grid.SetEditErrorText((string)ViewData["EditError"]);
    }
}
@grid.Bind(Model).GetHtml()