InputExtensions.RadioButtonFor(Of TModel, TProperty) Method (HtmlHelper(Of TModel), Expression(Of Func(Of TModel, TProperty)), Object, IDictionary(Of String, Object))
Returns a radio button input element for each property in the object that is represented by the specified expression, using the specified HTML attributes.
Namespace: System.Web.Mvc.Html
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
'Declaration <ExtensionAttribute> _ Public Shared Function RadioButtonFor(Of TModel, TProperty) ( _ htmlHelper As HtmlHelper(Of TModel), _ expression As Expression(Of Func(Of TModel, TProperty)), _ value As Object, _ htmlAttributes As IDictionary(Of String, Object) _ ) As MvcHtmlString 'Usage Dim htmlHelper As HtmlHelper(Of TModel) Dim expression As Expression(Of Func(Of TModel, TProperty)) Dim value As Object Dim htmlAttributes As IDictionary(Of String, Object) Dim returnValue As MvcHtmlString returnValue = htmlHelper.RadioButtonFor(expression, _ value, htmlAttributes)
Type Parameters
- TModel
The type of the model.
- TProperty
The type of the value.
Parameters
- htmlHelper
- Type: System.Web.Mvc.HtmlHelper(Of TModel)
The HTML helper instance that this method extends.
- expression
- Type: System.Linq.Expressions.Expression(Of Func(Of TModel, TProperty))
An expression that identifies the object that contains the properties to render.
- value
- Type: System.Object
The value of the selected radio button. The value is retrieved in this order - the ModelStateDictionary object, the value of this parameter, the ViewDataDictionary object, and lastly, a value attribute in the html attributes.
- htmlAttributes
- Type: System.Collections.Generic.IDictionary(Of String, Object)
A dictionary that contains the HTML attributes to set for the element.
Return Value
Type: System.Web.Mvc.MvcHtmlStringAn HTML input element whose type attribute is set to "radio" for each property in the object that is represented by the specified expression, using the specified HTML attributes.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type HtmlHelper(Of TModel). When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.118).aspx or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.118).aspx.| Exception | Condition |
|---|---|
| ArgumentNullException | The value parameter is Nothing. |
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