Checkbox in webgrid column

@model IEnumerable<hrms_dl.zbs_hr_emp_noncash_benefit>

@{
    Layout = null;
}

@{   
    var grid = new WebGrid(Model, rowsPerPage: 2, ajaxUpdateContainerId: "myGrid");
    @grid.GetHtml(columns: grid.Columns(
    grid.Column("ASSEST MANAGEMENT FLG", format: (col) => @Html.CheckBox("<input type='checkbox' checked='" + ((col.ENBEN_ASSES_MGMT_FLG==true) ? "checked" : "") + "' disabled='true' />")),
    grid.Column(format: (item) => Html.ActionLink("Edit", "Edit", new { id = item.EMP_NC_CODE, area = "EIM" }, new { style = "color:Blue" })),
    grid.Column(format: (item) => Html.ActionLink("Details", "Details", new { id = item.EMP_NC_CODE, area = "EIM" }, new { style = "color:Blue" }))
                                      ));
}</hrms_dl.zbs_hr_emp_noncash_benefit>