How to disable input field's autocomplete with EditorFor?
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26-09-2020 - |
Question
<%= Html.EditorFor(product => product.Name) %>
I need the generated output to have autocomplete="off" attribute set.
What I'm missing?
Edit:
I'm looking an extension method for EditorFor that accepts key/value dictionary for attributes, so I can call it like this: <%= Html.EditorFor(product => product.Name, new { autocomplete = "off" } ) %>
Here it is done for LabelFor, but it is needed to be adjusted for EditorFor
public static MvcHtmlString LabelFor<TModel, TValue>(this HtmlHelper<TModel> html, Expression<Func<TModel, TValue>> expression, object htmlAttributes) {
return LabelFor(html, expression, new RouteValueDictionary(htmlAttributes));
}
public static MvcHtmlString LabelFor<TModel, TValue>(this HtmlHelper<TModel> html, Expression<Func<TModel, TValue>> expression, IDictionary<string, object> htmlAttributes)
{
ModelMetadata metadata = ModelMetadata.FromLambdaExpression(expression, html.ViewData);
string htmlFieldName = ExpressionHelper.GetExpressionText(expression);
string labelText = metadata.DisplayName ?? metadata.PropertyName ?? htmlFieldName.Split('.').Last();
if (String.IsNullOrEmpty(labelText))
{
return MvcHtmlString.Empty;
}
TagBuilder tag = new TagBuilder("label");
tag.MergeAttributes(htmlAttributes);
tag.Attributes.Add("for", html.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldId(htmlFieldName));
tag.SetInnerText(labelText);
return MvcHtmlString.Create(tag.ToString(TagRenderMode.Normal));
}
Edit2: I realized it can't be named EditorFor because there already exists an overridden EditorFor that accepts an anonymous type, see here http://msdn.microsoft.com/en-us/library/ff406462.aspx.. anyway, we can name it differently, no biggies.
Solution 2
public static MvcHtmlString EditorForAttr<TModel, TValue>(this HtmlHelper<TModel> html, Expression<Func<TModel, TValue>> expression, object htmlAttributes) {
return EditorForAttr(html, expression, new RouteValueDictionary(htmlAttributes));
}
public static MvcHtmlString EditorForAttr<TModel, TValue>(this HtmlHelper<TModel> html, Expression<Func<TModel, TValue>> expression, IDictionary<string, object> htmlAttributes) {
ModelMetadata metadata = ModelMetadata.FromLambdaExpression(expression, html.ViewData);
string htmlFieldName = ExpressionHelper.GetExpressionText(expression);
TagBuilder tag = new TagBuilder("input");
tag.GenerateId(html.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldId(htmlFieldName));
tag.MergeAttribute("name", htmlFieldName);
tag.MergeAttribute("type", "text");
tag.MergeAttribute("value", metadata.Model == null ? "" : metadata.Model.ToString()); // Not sure if this is correct.
tag.MergeAttributes(htmlAttributes, true);
return MvcHtmlString.Create(tag.ToString(TagRenderMode.SelfClosing));
}
OTHER TIPS
You'll need to use use a custom template that generates the input element with the attribute or you could add some javascript to the page to add the attribute client-side.
<%= Html.EditorFor( product => product.Name, "NoAutocompleteTextBox" ) %>
Then in Shared/EditorTemplates you need a NoAutocompleteTextBox.ascx that defines
<%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl" %>
<%= Html.TextBox("", ViewData.TemplateInfo.FormattedModelValue,
new { autocomplete = "off" }) %>
or, the jQuery way, to set it on all text inputs
$(function() {
$('input[type=text]').attr('autocomplete','off');
});