1
我正在Angularjs表单上,我需要验证输入值是否在数据库上。 我的HTML是如下问题与自定义指令检查唯一的电子邮件ID
<div class="form-group mg-btm0" show-errors>
<label class="control-label col-sm-4 fw-norm txt-right">Email ID:</label>
<div class="col-sm-8">
<input type="email" class="form-control" placeholder="Email ID" name="emailAddress" ng-required="true" autocomplete="Off" ng-model="User.emailId"
ng-maxlength="100" emailid-available-validator>
<span class="help-block" ng-if="RegisterUser.emailAddress.$error.email">A valid email is required.</span>
<span class="help-block" ng-if="RegisterUser.emailAddress.$error.maxlength">Max length is 100.</span>
<span class="help-block" ng-if="RegisterUser.emailAddress.$pending"> Checking emailId...</span>
<span class="help-block" ng-if="RegisterUser.emailAddress.emailidAvailable">EmailId entered has already been registered</span>
</div>
</div>
指令是如下
angularFormsApp.directive('emailidAvailableValidator', ['$http', function ($http) {
var baseurl = window.location.protocol + "//" + window.location.host + "/";
return {
require: 'ngModel',
link: function ($scope, element, attrs, ngModel) {
ngModel.$asyncValidators.emailidAvailable = function (value) {
//var emailid = { 'emailid': emailaddress };
return $http.get(baseurl + "Users/CheckExternalUserExists/", { emailid: value });
};
}
}
}])
和控制器如下
[HttpGet]
public ActionResult CheckExternalUserExists(string emailid)
{
if (AccountExecutor.UserExists(emailid))
{
return new HttpStatusCodeResult(HttpStatusCode.InternalServerError, "Exists");
}
return new HttpStatusCodeResult(HttpStatusCode.OK, "Not Exists");
}
现在我有问题的。
1。电子邮件ID正在作为null
传递给控制器。
2。我想说明两个消息
a)如果电子邮件ID是唯一的,那么消息应该说,它的一些独特的
b)在随后的电子邮件ID存在它应该显示它的存在消息, 目前的消息是不是被只显示红色边框。
它有什么不同? – Mahajan344