1
我學習asp.net的MVC 5.顯示和隱藏基於下拉列表ASP MVC 5
我dropdownlistfor
正在完善,並顯示根據其值右場。 但問題是當頁面加載第一次顯示所有字段..
問題是:我想默認顯示什麼,當頁面第一次加載。
我CSHTML:
<div class="form-group">
<div class="col-md-10">
@Html.DropDownListFor(m => m.PaymentMethod, ViewBag.PayTypeList as List<SelectListItem>, new { @class = "btn btn-primary btn-lg dropdown-toggle", @id = "PaymentId" })
<div id="PaypalButton">
<br/>
<script src="https://www.paypalobjects.com/api/button.js?"
data-merchant="braintree"
data-id="paypal-button"
data-button="checkout"
data-color="gold"
data-size="medium"
data-shape="pill"
data-button_disabled="true">
</script>
<!--data-button_type="paypal_submit"-->
</div>
<div id="EcheckForm">
<div class="form-group">
<div class="col-md-10">
@Html.TextBoxFor(m => m.VecInsNum, new { @class = "form-control input-lg", placeholder = "Vehicle Isurance Number", required = "required", tabindex = 18 })
@Html.ValidationMessageFor(m => m.VecInsNum, null, new { @class = "text-danger" })
</div>
</div>
</div>
</div>
和JS:
@section Scripts {
<script type="text/javascript">
$(document).ready(function() {
$('#PaymentId').change(function() {
var value = $(this).val();
if (value == '1') {
$('#PaypalButton').show();
$('#EcheckForm').hide();
} else if (value == '2') {
$('#PaypalButton').hide();
$('#EcheckForm').show();
} else {
$('#PaypalButton').hide();
$('#EcheckForm').hide();
}
});
});