InputExtensions.RadioButton Method
Returns a radio button input element that is used to present mutually exclusive options.
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
| Name | Description | |
|---|---|---|
![]() ![]() | RadioButton(HtmlHelper, String, Object) | Returns a radio button input element that is used to present mutually exclusive options. |
![]() ![]() | RadioButton(HtmlHelper, String, Object, Boolean) | Returns a radio button input element that is used to present mutually exclusive options. |
![]() ![]() | RadioButton(HtmlHelper, String, Object, Boolean, IDictionary<String, Object>) | Returns a radio button input element that is used to present mutually exclusive options. |
![]() ![]() | RadioButton(HtmlHelper, String, Object, Boolean, Object) | Returns a radio button input element that is used to present mutually exclusive options. |
![]() ![]() | RadioButton(HtmlHelper, String, Object, IDictionary<String, Object>) | Returns a radio button input element that is used to present mutually exclusive options. |
![]() ![]() | RadioButton(HtmlHelper, String, Object, Object) | Returns a radio button input element that is used to present mutually exclusive options. |
The difference between calling the RadioButton method and using an input element is that the RadioButton method is designed to make it easy to bind to view data or model data.
InputExtensions.RadioButton Method (HtmlHelper, String, Object)
Returns a radio button input element that is used to present mutually exclusive options.
public static MvcHtmlString RadioButton( this HtmlHelper htmlHelper, string name, object value )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- name
-
Type:
System.String
The name of the form field and the ViewDataDictionary key that is used to look up the value.
- 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.
Return Value
Type: System.Web.Mvc.MvcHtmlStringAn input element whose type attribute is set to "radio".
| Exception | Condition |
|---|---|
| ArgumentException | The name parameter is null or empty. |
| ArgumentNullException | The value parameter is null. |
The difference between calling the RadioButton method and using an input element is that the RadioButton method is designed to make it easy to bind to view data or model data.
InputExtensions.RadioButton Method (HtmlHelper, String, Object, Boolean)
Returns a radio button input element that is used to present mutually exclusive options.
public static MvcHtmlString RadioButton( this HtmlHelper htmlHelper, string name, object value, bool isChecked )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- name
-
Type:
System.String
The name of the form field and the ViewDataDictionary key that is used to look up the value.
- 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.
- isChecked
-
Type:
System.Boolean
true to select the radio button; otherwise, false.
Return Value
Type: System.Web.Mvc.MvcHtmlStringAn input element whose type attribute is set to "radio".
| Exception | Condition |
|---|---|
| ArgumentException | The name parameter is null or empty. |
| ArgumentNullException | The value parameter is null. |
The difference between calling the RadioButton method and using an input element is that the RadioButton method is designed to make it easy to bind to view data or model data.
InputExtensions.RadioButton Method (HtmlHelper, String, Object, Boolean, IDictionary<String, Object>)
Returns a radio button input element that is used to present mutually exclusive options.
public static MvcHtmlString RadioButton( this HtmlHelper htmlHelper, string name, object value, bool isChecked, IDictionary<string, object> htmlAttributes )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- name
-
Type:
System.String
The name of the form field and the ViewDataDictionary key that is used to look up the value.
- 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.
- isChecked
-
Type:
System.Boolean
true to select the radio button; otherwise, false.
- htmlAttributes
-
Type:
System.Collections.Generic.IDictionary<String, Object>
An object that contains the HTML attributes to set for the element.
Return Value
Type: System.Web.Mvc.MvcHtmlStringAn input element whose type attribute is set to "radio".
| Exception | Condition |
|---|---|
| ArgumentException | The name parameter is null or empty. |
| ArgumentNullException | The value parameter is null. |
The difference between calling the RadioButton method and using an input element is that the RadioButton method is designed to make it easy to bind to view data or model data.
The htmlAttributes parameter consists of an object that contains name/value pairs. The attributes that are specified in the name/value pairs depend on the HTML element that is being rendered. For example, for an input element where type is set to "radio", you might provide the following anonymous object:
InputExtensions.RadioButton Method (HtmlHelper, String, Object, Boolean, Object)
Returns a radio button input element that is used to present mutually exclusive options.
public static MvcHtmlString RadioButton( this HtmlHelper htmlHelper, string name, object value, bool isChecked, object htmlAttributes )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- name
-
Type:
System.String
The name of the form field and the ViewDataDictionary key that is used to look up the value.
- 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.
- isChecked
-
Type:
System.Boolean
true to select the radio button; otherwise, false.
- htmlAttributes
-
Type:
System.Object
An object that contains the HTML attributes to set for the element.
Return Value
Type: System.Web.Mvc.MvcHtmlStringAn input element whose type attribute is set to "radio".
| Exception | Condition |
|---|---|
| ArgumentException | The name parameter is null or empty. |
| ArgumentNullException | The value parameter is null. |
The difference between calling the RadioButton method and using an input element is that the RadioButton method is designed to make it easy to bind to view data or model data.
The htmlAttributes parameter consists of an object that contains name/value pairs. The attributes that are specified in the name/value pairs depend on the HTML element that is being rendered. For example, for an input element where type is set to "radio", you might provide the following anonymous object:
InputExtensions.RadioButton Method (HtmlHelper, String, Object, IDictionary<String, Object>)
Returns a radio button input element that is used to present mutually exclusive options.
public static MvcHtmlString RadioButton( this HtmlHelper htmlHelper, string name, object value, IDictionary<string, object> htmlAttributes )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- name
-
Type:
System.String
The name of the form field and the ViewDataDictionary key that is used to look up the value.
- 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<String, Object>
An object that contains the HTML attributes to set for the element.
Return Value
Type: System.Web.Mvc.MvcHtmlStringAn input element whose type attribute is set to "radio".
| Exception | Condition |
|---|---|
| ArgumentException | The name parameter is null or empty. |
| ArgumentNullException | The value parameter is null. |
The difference between calling the RadioButton method and using an input element is that the RadioButton method is designed to make it easy to bind to view data or model data.
The htmlAttributes parameter consists of an object that contains name/value pairs. The attributes that are specified in the name/value pairs depend on the HTML element that is being rendered. For example, for an input element where type is set to "radio", you might provide the following anonymous object:
InputExtensions.RadioButton Method (HtmlHelper, String, Object, Object)
Returns a radio button input element that is used to present mutually exclusive options.
public static MvcHtmlString RadioButton( this HtmlHelper htmlHelper, string name, object value, object htmlAttributes )
Parameters
- htmlHelper
-
Type:
System.Web.Mvc.HtmlHelper
The HTML helper instance that this method extends.
- name
-
Type:
System.String
The name of the form field and the ViewDataDictionary key that is used to look up the value.
- 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.Object
An object that contains the HTML attributes to set for the element.
Return Value
Type: System.Web.Mvc.MvcHtmlStringAn input element whose type attribute is set to "radio".
| Exception | Condition |
|---|---|
| ArgumentException | The name parameter is null or empty. |
| ArgumentNullException | The value parameter is null. |
The difference between calling the RadioButton method and using an input element is that the RadioButton method is designed to make it easy to bind to view data or model data.
The htmlAttributes parameter consists of an object that contains name/value pairs. The attributes that are specified in the name/value pairs depend on the HTML element that is being rendered. For example, for an input element where type is set to "radio", you might provide the following anonymous object:

