ValidationExtensions.ValidationMessageFor<TModel, TProperty> Method (HtmlHelper<TModel>, Expression<Func<TModel, TProperty>>, String, Object)

Returns the HTML markup for a validation-error message for each data field that is represented by the specified expression, using the specified message and HTML attributes.

Namespace:  System.Web.Mvc.Html
Assembly:  System.Web.Mvc (in System.Web.Mvc.dll)


<ExtensionAttribute> _
Public Shared Function ValidationMessageFor(Of TModel, TProperty) ( _
    htmlHelper As HtmlHelper(Of TModel), _
    expression As Expression(Of Func(Of TModel, TProperty)), _
    validationMessage As String, _
    htmlAttributes As Object _
) As MvcHtmlString
public static MvcHtmlString ValidationMessageFor<TModel, TProperty>(
    this HtmlHelper<TModel> htmlHelper,
    Expression<Func<TModel, TProperty>> expression,
    string validationMessage,
    Object htmlAttributes
generic<typename TModel, typename TProperty>
static MvcHtmlString^ ValidationMessageFor(
    HtmlHelper<TModel>^ htmlHelper, 
    Expression<Func<TModel, TProperty>^>^ expression, 
    String^ validationMessage, 
    Object^ htmlAttributes

Type Parameters

  • TModel
    The type of the model.
  • TProperty
    The type of the value.


  • validationMessage
    Type: System.String
    The message to display if the specified field contains an error.
  • htmlAttributes
    Type: System.Object
    An object that contains the HTML attributes for the element.

Return Value

Type: System.Web.Mvc.MvcHtmlString
The HTML markup for a validation-error message for each data field that is represented by the expression. If no validation error occurs or client validation is disabled, this method returns null reference (Nothing in Visual Basic).

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type HtmlHelper<TModel>. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

See Also


ValidationExtensions Class

ValidationMessageFor Overload

System.Web.Mvc.Html Namespace