Class SfRadioButton<TChecked>

RadioButton is a graphical user interface element that allows you to select one option from the choices. It has checked and unchecked states.

Inheritance
System.Object
SfBaseComponent
SfInputBase<TChecked>
SfRadioButton<TChecked>
Inherited Members
Syncfusion.Blazor.Buttons.SfInputBase<TChecked>.CheckedChanged
Syncfusion.Blazor.Buttons.SfInputBase<TChecked>.CheckedExpression
Syncfusion.Blazor.Buttons.SfInputBase<TChecked>.ChildContent
Syncfusion.Blazor.Buttons.SfInputBase<TChecked>.HtmlAttributes
Namespace: Syncfusion.Blazor.Buttons
Assembly: Syncfusion.Blazor.dll
Syntax
public class SfRadioButton<TChecked> : SfInputBase<TChecked>
Type Parameters
Name
TChecked
Examples

In the below code example, a basic radiobutton is initialized with Checked property.

 
<SfRadioButton Checked="true"> 
</SfRadioButton>

Constructors

SfRadioButton()

Declaration
public SfRadioButton()

Properties

Label

Gets or sets a value that indicates the label of radio button.

Declaration
public string Label { get; set; }
Property Value
Type Description
System.String

Accepts a string value. The default value is String.Empty.

LabelPosition

Gets or sets a value that indicates how to display label in the radio button.

Declaration
public LabelPosition LabelPosition { get; set; }
Property Value
Type Description
LabelPosition

One of the LabelPosition enumeration. The default value is Before
Remarks

If the LabelPosition is Before, the label will be placed to the left side of the Radio Button. If the LabelPosition is After, the icon will be placed to the right side of the Radio Button.

ValueChange

Gets or sets an event callback that is raised when the radio button state is changed.

Declaration
public EventCallback<ChangeArgs<TChecked>> ValueChange { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<ChangeArgs<TChecked>>

An event callback function.
Remarks

The event is raised for UI based click only.

Examples
 
<SfRadioButton ValueChange="@Changed"> 
</SfRadioButton> 
@code { 
    private void Changed(ChangeEventArgs<TChecked> args) { 
        // Write your code here. 
    } 
}

Methods

BuildRenderTree(RenderTreeBuilder)

Declaration
protected override void BuildRenderTree(RenderTreeBuilder __builder)
Parameters
Type Name Description
Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder

InitRender()

Declaration
protected override void InitRender()
Overrides
Syncfusion.Blazor.Buttons.SfInputBase<TChecked>.InitRender()

OnAfterRenderAsync(Boolean)

Declaration
protected override Task OnAfterRenderAsync(bool firstRender)
Parameters
Type Name Description
System.Boolean firstRender
Returns
Type
System.Threading.Tasks.Task
Overrides
Syncfusion.Blazor.Buttons.SfInputBase<TChecked>.OnAfterRenderAsync(System.Boolean)

OnInitializedAsync()

Declaration
protected override Task OnInitializedAsync()
Returns
Type
System.Threading.Tasks.Task
Overrides
Syncfusion.Blazor.Buttons.SfInputBase<TChecked>.OnInitializedAsync()

OnParametersSetAsync()

Declaration
protected override Task OnParametersSetAsync()
Returns
Type
System.Threading.Tasks.Task
Overrides
Syncfusion.Blazor.Buttons.SfInputBase<TChecked>.OnParametersSetAsync()