ValidationExtensions.ValidateFor<TModel, TProperty> Method
Retrieves the validation metadata and validates each data field that is represented by the specified expression.
Namespace: System.Web.Mvc.Html
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Sub ValidateFor(Of TModel, TProperty) ( _
htmlHelper As HtmlHelper(Of TModel), _
expression As Expression(Of Func(Of TModel, TProperty)) _
)
public static void ValidateFor<TModel, TProperty>(
this HtmlHelper<TModel> htmlHelper,
Expression<Func<TModel, TProperty>> expression
)
[ExtensionAttribute]
public:
generic<typename TModel, typename TProperty>
static void ValidateFor(
HtmlHelper<TModel>^ htmlHelper,
Expression<Func<TModel, TProperty>^>^ expression
)
Type Parameters
- TModel
The type of the model.
- TProperty
The type of the value.
Parameters
- htmlHelper
Type: System.Web.Mvc.HtmlHelper<TModel>
The HTML helper instance that this method extends.
- expression
Type: System.Linq.Expressions.Expression<Func<TModel, TProperty>>
An expression that identifies the object that contains the properties to render.
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).
Remarks
Client validation must be enabled.