Jas*_*era 5 asp.net-mvc html.dropdownlistfor unobtrusive-validation
我的stringlength验证总是在带有字符串值的下拉列表中失败.
这是我的模型:
[Required(ErrorMessage = "Required")]
[StringLength(2, MinimumLength = 2)]
[Display(Name = "Home Address State")]
public string HomeAddressState { get; set; }
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这是我的观点:
@Html.DropDownListFor(model => model.HomeAddressState, new SelectList(ViewBag.States, "Value", "Text"), string.Empty)
@Html.ValidationMessageFor(model => model.HomeAddressState)
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这是html输出:
<select data-val="true" data-val-length="The field Home Address State must be a string with a minimum length of 2 and a maximum length of 2." data-val-length-max="2" data-val-length-min="2" data-val-required="Required" id="HomeAddressState" name="HomeAddressState"><option value=""></option>
<option value="CA">California</option>
<option value="IL">Illinois</option>
<option value="IN">Indiana</option>
<option value="OH">Ohio</option>
</select>
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无论选择哪个选项,StringLength验证都会在客户端失败.我做错了什么?
这是相关的jquery验证代码.如您所见,它似乎将长度验证应用于所选选项的数量,而不是选项的长度.似乎只适用于多选列表框.有点奇怪,说实话.
maxlength: function(value, element, param) {
return this.optional(element) || this.getLength($.trim(value), element) <= param;
}
getLength: function(value, element) {
switch( element.nodeName.toLowerCase() ) {
case 'select':
return $("option:selected", element).length;
case 'input':
if( this.checkable( element) )
return this.findByName(element.name).filter(':checked').length;
}
return value.length;
}
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你可以做的是getLength自己覆盖函数value.length直接返回.
$.validator.prototype.getLength = function (value, element) {
return value.length;
}
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