Always forget, record it
html:
<div class="col-md-4">
<label class="control-label col-md-4">省份</label>
<select class="form-control selectpicker" id="ProvinceId"name="ProvinceId" >
</select>
</div>
js:
function GetProvince() {
$("select[name=ProvinceId]").empty();
$.ajax({
type: "GET",
dataType: "json",
url: "@Url.Action("getProvinceList")",
success: function (res) {
debugger
var option = "<option value=\"\">请选择</option>";
for (var i = 0; i < res.length; i++) {
option+="<option value=\"" + res[i].Value + "\">" + res[i].Text + "</option>";
}
$("select[name=ProvinceId]").append(option);
$("select[name=ProvinceId]").selectpicker('refresh');
}
})
}
If the option list has no value, refresh the selectpicker;
$("select[name=ProvinceId]").selectpicker('refresh');