我在给出无效的电子邮件后第二次进行远程验证检查时遇到问题。我无法弄清楚为什么它在不再无效之后不会删除错误。
这是我的模特:
[Required(ErrorMessage = "An email is required")]
[StringLength(150, MinimumLength = 4)]
[Display(Name = "Email")]
[RegularExpression("^([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$", ErrorMessage = "Invalid Email")]
[Remote("doesEmailExist", "Account", HttpMethod = "POST", ErrorMessage = "This email has already registered. Please use a different email")]
public virtual string strEmail { get; set; }
我的观点:
<ul>
<li class="editor-label">@Html.LabelFor(m => m.strEmail)</li>
<li class="editor-field">@Html.TextBoxFor(m => m.strEmail)</li>
<li class="error">@Html.ValidationMessageFor(m => m.strEmail)</li>
</ul>
我的控制器:
[HttpPost]
public JsonResult doesEmailExist(string strEmail)
{
var user = db.t_user.FirstOrDefault(i => i.email == strEmail);
if (user == null)
return Json(null);
else
return Json(false);
}
为什么远程验证没有纠正自己从无效条目到有效条目?
答案 0 :(得分:0)
如果不存在现有电子邮件,则JsonReturn
需要返回true
(而不是null
)。注意这应该是一个GET
[HttpGet]
public JsonResult doesEmailExist(string strEmail)
{
var user = db.t_user.FirstOrDefault(i => i.email == strEmail);
if (user == null)
return Json(true, JsonRequestBehavior.AllowGet); // change this
else
return Json(false, JsonRequestBehavior.AllowGet);
}
或
bool exists = db.t_user.Any(i => i.email == strEmail)
return Json(!exists, JsonRequestBehavior.AllowGet);
另请注意,您可以使用[EmailAddress]
代替[RegularExpression]
属性