【发布时间】:2014-07-15 12:47:50
【问题描述】:
我正在为一个 ASP 表单而苦苦挣扎,从一开始就明确表示,我是 ASP.Net 的新手。
问题是我想设置输入标签的样式,当它们填写错误时。 我使用了这个代码:https://stackoverflow.com/a/11954218/3840831 对我来说是这样的:
/**
* Re-assigns the ASP.NET validation JS function to
* provide a more flexible approach
*/
function UpgradeASPNETValidation() {
if (typeof (Page_ClientValidate) != "undefined") {
AspValidatorUpdateDisplay = ValidatorUpdateDisplay;
ValidatorUpdateDisplay = NicerValidatorUpdateDisplay;
}
}
/**
* This function is called once for each Field Validator, passing in the
* Field Validator span, which has helpful properties 'isvalid' (bool) and
* 'controltovalidate' (string = id of the input field to validate).
*/
function NicerValidatorUpdateDisplay(val) {
// Do the default asp.net display of validation errors (remove if you want)
AspValidatorUpdateDisplay(val);
// Add our custom display of validation errors
if (val.isvalid) {
// do whatever you want for invalid controls
$('#' + val.controltovalidate).closest('.form-group').removeClass('has-error has-feedback');
} else if(!val.isvalid) {
// reset invalid controls so they display as valid
$('#' + val.controltovalidate).closest('.form-group').addClass('has-error has-feedback');
}
}
// Call UpgradeASPNETValidation after the page has loaded so that it
// runs after the standard ASP.NET scripts.
$(document).ready(UpgradeASPNETValidation);
它工作得很好,但是.... 在我的一些输入中,我同时拥有“RequiredFieldValidator”和“RegularExpressionValidator”,如下所示:
<div class="form-group">
<label class="col-sm-4 control-label">
Telefon (8 cifre, uden mellemrum)
</label>
<div class="col-sm-8">
<asp:TextBox ID="TxtPhone" CssClass="form-control" runat="server"></asp:TextBox>
<asp:RegularExpressionValidator ID="RegularExpressionValidator3" runat="server" ErrorMessage="Ugyldigt telefon-format" Text="*" ControlToValidate="TxtPhone" SetFocusOnError="true" ValidationExpression="^(\d\d\d\d\d\d\d\d)$"><span class="glyphicon glyphicon-remove form-control-feedback"></span></asp:RegularExpressionValidator>
<asp:RequiredFieldValidator ID="RequiredFieldValidator6" runat="server" ErrorMessage="Udfyld venligst telefon" Text="*" ControlToValidate="TxtPhone"><span class="glyphicon glyphicon-remove form-control-feedback"></span></asp:RequiredFieldValidator>
</div>
</div>
当 JQuery 必须确定是“RegularExpressionValidator”还是“RequiredFieldValidator”为假时,就会出现问题。 如果我遗漏任何信息,请立即告诉我。
【问题讨论】:
-
好吧,通常你不需要对同一个字段同时使用RequiredFieldValidator和RegularExpressionValidator。
-
嗯,可以合并吗?
-
我认为这是可能的,但有什么用呢?
-
我必须验证 1. 字段是否为空 2. 文本是否有效。
-
但如果我删除“RequiredFieldValidator”,如果输入字段为空,用户将不会收到错误消息...
标签: jquery css asp.net forms validation