当在正则表达式中使用特殊字符时,DataAnnotations验证程序在ASP.NET MVC 4 Razor视图中不起作用。
模型:
[StringLength(100)]
[Display(Description = "First Name")]
[RegularExpression("^([a-zA-Z0-9 .&'-]+)$", ErrorMessage = "Invalid First Name")]
public string FirstName { get; set; }
Razor 视图:
@Html.TextBoxFor(model => Model.FirstName, new { })
@Html.ValidationMessageFor(model => Model.FirstName)
不引人注目的验证在视图中呈现为:
<input type="text" value="" tabindex="1" style="height:auto;" name="FirstName" maxlength="100" id="FirstName" data-val-regex-pattern="^([a-zA-Z0-9 .&amp;&#39;-]+)$" data-val-regex="Invalid First Name" data-val-length-max="100" data-val-length="The field FirstName must be a string with a maximum length of 100." data-val="true" class="textfield ui-input-text ui-body-d ui-corner-all ui-shadow-inset valid">
上述HTML中的正则表达式模式未按照Model的RegularExpression指定的方式呈现,即使输入有效数据(Sam's
)也会导致错误。
我该如何处理?
--更新--
我已根据@Rick的建议更新了代码。
[StringLength(100)]
[Display(Description = "First Name")]
[RegularExpression("([a-zA-Z0-9 .&'-]+)", ErrorMessage = "Enter only alphabets and numbers of First Name")]
public string FirstName { get; set; }
查看源代码显示如下:
<input data-val="true" data-val-length="The field FirstName must be a string with a maximum length of 100." data-val-length-max="100" data-val-regex="Enter only alphabets and numbers of First Name" data-val-regex-pattern="([a-zA-Z0-9 .&amp;&#39;-]+)" id="FirstName" maxlength="100" name="FirstName" type="text" value="" />
我仍然遇到同样的问题。