<div class="rz-p-12 rz-text-align-center">
    <RadzenRadioButtonList Value=@value TValue="int" Change=@(args => value = args) >
        <Items>
            <RadzenRadioButtonListItem Text="Orders" Value="1" />
            <RadzenRadioButtonListItem Text="Employees" Value="2" />
            <RadzenRadioButtonListItem Text="Customers" Value="3" />
        </Items>
    </RadzenRadioButtonList>
</div>

@code {
    int value = 1;
}