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PORender HTML tags inside of HTML.ValidationMessageFor in MVC3
 

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    <p>I'm trying to show a link as part of the validation message for a field. I'm using data attributes with custom error messages to set it:</p> <pre><code>[Required(ErrorMessage = "Message &lt;a href='#'&gt;link&lt;/a&gt;")] public string Field{ get; set; } </code></pre> <p>But when it renders the tags are escaped and literally prints:</p> <pre><code>Message &lt;a href='#'&gt;link&lt;/a&gt; </code></pre> <p>Is it possible to have the link as part of the validation message but render correctly?</p> <p><strong>In case anyone's interested, here's how I accomplished it</strong><br /></p> <pre><code>public static MvcHtmlString ValidationHTMLMessageFor&lt;TModel, TProperty&gt;(this HtmlHelper&lt;TModel&gt; helper, Expression&lt;Func&lt;TModel, TProperty&gt;&gt; expression) { return ValidationHTMLMessageFor(helper, expression, (object)null); } public static MvcHtmlString ValidationHTMLMessageFor&lt;TModel, TProperty&gt;(this HtmlHelper&lt;TModel&gt; helper, Expression&lt;Func&lt;TModel, TProperty&gt;&gt; expression, object htmlAttributes) { return ValidationHTMLMessageFor(helper, expression, new RouteValueDictionary(htmlAttributes)); } public static MvcHtmlString ValidationHTMLMessageFor&lt;TModel, TProperty&gt;(this HtmlHelper&lt;TModel&gt; helper, Expression&lt;Func&lt;TModel, TProperty&gt;&gt; expression, IDictionary&lt;string, object&gt; htmlAttributes) { string propertyName = ExpressionHelper.GetExpressionText(expression); string name = helper.AttributeEncode(helper.ViewData.TemplateInfo.GetFullHtmlFieldName(propertyName)); if (helper.ViewData.ModelState[name] == null || helper.ViewData.ModelState[name].Errors == null || helper.ViewData.ModelState[name].Errors.Count == 0) { return MvcHtmlString.Empty; } string errors = ""; foreach (ModelError error in helper.ViewData.ModelState[name].Errors) { TagBuilder tag = new TagBuilder("span"); tag.Attributes.Add("class", HtmlHelper.ValidationMessageCssClassName); tag.MergeAttributes(htmlAttributes); tag.Attributes.Add("data-valmsg-for", name); tag.Attributes.Add("data-valmsg-replace", "true"); var text = tag.ToString(TagRenderMode.StartTag); text += error.ErrorMessage; text += tag.ToString(TagRenderMode.EndTag); errors += text; } return MvcHtmlString.Create(errors); } </code></pre> <p>Thanks Darin for pointing me in the right direction. I also found this that I used as a template <a href="https://stackoverflow.com/questions/8004105/customize-html-validationmessagefor-doesnt-work-in-client-side">Customize Html.ValidationMessageFor doesn&#39;t work in client side</a>.</p> <p>I'm new to this, so if anyone has any suggestions, please post. Thanks!</p>
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