@(Html.Kendo().Grid<ContactViewModel>()
    .Name("Grid")
    .Columns(columns =>
        {
            columns.Bound(m => m.NameSurname).Title("Name Surname").Width("%100");
            columns.Bound(m => m.InstituteName).Title("Institute Name").Width("250px");
            columns.Bound(m => m.CityName).Title("City").Width("145px");
            columns.Bound(m => m.RegionName).Title("Region").Width("145px");
            columns.Bound(m => m.ContactMobile).Title("Mobile").Width("125px");
            columns.Bound(m => m.ContactAddress).Title("Address").Hidden(true); //I want to export these fields
            columns.Bound(m => m.ContactAddress).Title("Address").Visible(false); //I want to export these fields
        })
    .ToolBar(toolbar =>
        {
            toolbar.Template(@<text>
                <div class="toolbar">
                    <button class="btn btn-primary btn-xs pull-right k-button k-button-icontext k-grid-excel">
                        <span class="k-icon k-excel"></span>
                        Liste (xls)
                    </button>
                </div>
            </text>);
        })

    .Excel(excel => excel
        .FileName("List.xlsx")
        .Filterable(true)
        .AllPages(true)
        .ProxyURL(Url.Action("Excel_Export_Save", "Controller"))
    )
    .DataSource(dataSource => dataSource
        .Ajax()
        .Read(read => read.Action("Index_Read", "Controller"))
        .ServerOperation(false)
        .PageSize(12)
        )
    )
)