ValidationExtensions.ValidationSummary Method (HtmlHelper, Boolean, String)

Returns an unordered list (ul element) of validation messages that are in the ModelStateDictionary object and optionally displays only model-level errors.

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

<ExtensionAttribute> _
Public Shared Function ValidationSummary ( _
	htmlHelper As HtmlHelper, _
	excludePropertyErrors As Boolean, _
	message As String _
) As MvcHtmlString
Dim htmlHelper As HtmlHelper 
Dim excludePropertyErrors As Boolean 
Dim message As String 
Dim returnValue As MvcHtmlString 

returnValue = htmlHelper.ValidationSummary(excludePropertyErrors, _


Type: System.Web.Mvc.HtmlHelper

The HTML helper instance that this method extends.

Type: System.Boolean

true to have the summary display model-level errors only, or false to have the summary display all errors.

Type: System.String

The message to display with the validation summary.

Return Value

Type: System.Web.Mvc.MvcHtmlString
A string that contains an unordered list (ul element) of validation messages.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type HtmlHelper. When you use instance method syntax to call this method, omit the first parameter. For more information, see or

The ValidationSummary method displays a list of all validation messages on the page.

If the DefaultModelBinder instance cannot bind a form-field value to the model, the binder adds an error to the ModelState object. When the view is rendered, the validation messages and validation summary are displayed based on the Errors property of the ModelState object.