ValidationExtensions.Validate Method
Retrieves the validation metadata for the specified model and applies each rule to the data field.
Namespace: System.Web.Mvc.Html
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Sub Validate ( _
htmlHelper As HtmlHelper, _
modelName As String _
)
public static void Validate(
this HtmlHelper htmlHelper,
string modelName
)
[ExtensionAttribute]
public:
static void Validate(
HtmlHelper^ htmlHelper,
String^ modelName
)
Parameters
- htmlHelper
Type: System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- modelName
Type: System.String
The name of the property or model object that is being validated.
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 Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
Exceptions
Exception | Condition |
---|---|
ArgumentNullException | The modelName parameter is null reference (Nothing in Visual Basic). |
Remarks
Client validation must be enabled.