Multiple components with allowvirtualization

Radzen.Blazor Components
14

I finaly did it)

Code:


<RadzenStack Orientation="Orientation.Horizontal" AlignItems="AlignItems.Center" JustifyContent="JustifyContent.Center" Gap="0.5rem" class="rz-p-12">
    <RadzenLabel Text="Select Value" Component="DropDownDataGridTextValueProperties" />
    <RadzenDropDownDataGrid @bind-Value=@customer Data=@customers TextProperty="@nameof(Customer.CompanyName)"
                            AllowVirtualization=true AllowFiltering=false PagerAlwaysVisible=false Name="DropDownDataGridTextValueProperties">
        <Columns>
            <RadzenDropDownDataGridColumn Property="CustomerID" Title="Customer ID" Width="60px" TextAlign="TextAlign.Center" />
            <RadzenDropDownDataGridColumn Property="CompanyName" Title="Company Name" Width="150px" />
        </Columns>
    </RadzenDropDownDataGrid>
    <RadzenButton Variant="Variant.Text" Click=@Refresh Icon="refresh" Size="ButtonSize.Small" />
</RadzenStack>

@code {
    Customer customer;
    List<Customer> customers = new();

    protected override async Task OnInitializedAsync()
    {
        await base.OnInitializedAsync();
    }

    private void Refresh()
    {
        customers = new List<Customer>() 
        { 
            new Customer() { CustomerID = 1, CompanyName = "CompanyName1" },
            new Customer() { CustomerID = 2, CompanyName = "CompanyName2" },
            new Customer() { CustomerID = 3, CompanyName = "CompanyName3" }
        };
        customer = customers.First();
    }

    class Customer
    {
        public int CustomerID { get; set; }
        public string CompanyName { get; set; }
    }
}

Exception:

image
image1920×847 122 KB

main point of this exception is
List<Customer> customers = new();
and
AllowVirtualization=true