<RadzenStack Orientation="Orientation.Horizontal" JustifyContent="JustifyContent.Center" AlignItems="AlignItems.Center" Gap="0.5rem" class="rz-p-12">
    <RadzenLabel Text="Select Date" Component="RadzenDatePickerChangeEvent" />
    <RadzenDatePicker TValue="DateTime?" Value=@value Change="@(args => value = args)" Name="RadzenDatePickerChangeEvent" />
</RadzenStack>

@code {
    DateTime? value = DateTime.Now;
}