我想禁用提交按钮,直到所有字段都具有值。 我见过几个有标签的例子。但在这里我使用@ Html.TextBoxFor。在网上提到几个例子之后,我尝试了一些东西。但我仍然无法达到预期的结果。请帮忙吗?我需要禁用提交按钮,直到所有字段都具有值
这里是我的html代码:
@using (Html.BeginForm("User", "Plan"))
{
<div class="row">
<div class="col-lg-8">
<p id="myElem" style="display:none; font-style:italic;background-color:yellow">Floor Plan Saved Successfully</p>
<div class="form-horizontal">
<div class="form-group">
<label class="control-label col-lg-4">Period:</label>
<div class="col-lg-8">
@Html.DropDownList("Quarter", new SelectListItem[] { (new SelectListItem() { Text = "Q1", Value = "1" }), (new SelectListItem() { Text = "Q2", Value = "2" }), (new SelectListItem() { Text = "Q3", Value = "3" }), (new SelectListItem() { Text = "Q4", Value = "4" }) }, "-- Select Quarter --", new { @class = "form-control" })
<br />
@Html.DropDownList("Year", new SelectListItem[] { (new SelectListItem() { Text = "2016", Value = "2016" }), (new SelectListItem() { Text = "2017", Value = "2017" }) }, "-- Select Year --", new { @class = "form-control" })
</div>
</div>
</div>
<div class="form-horizontal">
<div class="form-group">
<label class="control-label col-lg-4">Line ID:</label>
<div class="col-lg-8">
@Html.TextBoxFor(model => model.floorConfig.LineID, new { onkeypress = "return isNumberKey(event)", @class = "form-control" })
</div>
</div>
</div>
<div class="row">
<div class="col-lg-offset-4" style="padding: 10px 0px 0px 0px;">
<input type="submit" id="submit" value="Submit" class="btn btn-lg btn-success" />
<input type="button" id="btnCancel" value="Clear" class="btn btn-lg btn-success" />
</div>
</div>
}
下面是我写禁用提交按钮脚本。
<script type="text/javascript">
$(document).ready(function() {
$("#Quarter, #Year, #LineID").keyup(function() {
$(".submit").attr('disabled', $(this).val() && $(this).val() != "-- Select Quarter --" && $(this).val() != "-- Select Year --" ? "" : 'disabled');
});
});
</script>
为什么?只需将验证属性添加到您的属性并启用客户端验证,以便如果表单无效,则会显示错误消息并提交将被取消 –
您可以给我一些示例代码吗?谢谢 – beginner
[添加验证](https://docs.microsoft.com/en-us/aspnet/mvc/overview-getting-started/introduction/adding-validation) –