If you do in the view, you can do it through jQuery:
<label class="radio-inline"> <input name="type" id="disable" value="1" checked="" type="radio" class="control"> Disable dropdown </label> <label class="radio-inline"> <input name="type" id="enable" value="0" type="radio" class="control"> Enable dropdown </label> @Html.DropDownList("Depatrments", "Выберите Одно")
Script:
$("#Depatrments").attr("disabled", "disabled"); $(".control").change(function () { if ($(this).val() == "1") { $("#Depatrments").attr("disabled", "disabled").val(''); //#Depatrments - Id списка } else { $("#Depatrments").removeAttr("disabled"); } });