Problem with DataGrid inLine editing

Hello,
I'm new in the Radzen blazor components world and just start with a question / problem - hope that will be ok?
Question is about the inline editing possibility in the datagrid.
I have taken the demo as template and the grid works fine, shows the one demo record and I can switch in edit mode via button. After changing to value from 0 to i.e. 20 and on leaving the field, the value is reset to 0. So if I press save button I get 0 instead of 20.
Any idea whats going wrong?
Thanks in advanced
Arne

@page "/logistik/listhandlingunits"

@using Meesenburg.BusinessClient.Interfaces;
@using Meesenburg.BusinessClient.Models;

<h3>EditHandlingUnits</h3>
<RadzenGrid @ref="ordersGrid" AllowFiltering="true" AllowPaging="true" AllowSorting="true" EditMode="DataGridEditMode.Single" Data="@orders" TItem="IPendingHandlingUnit" RowUpdate="@OnUpdateRow">
    <Columns>
        <RadzenGridColumn TItem="IPendingHandlingUnit" Context="order" Bubble="false" Filterable="false" Sortable="false" TextAlign="TextAlign.Center" Width="100px">
            <Template Context="order">
                <RadzenButton Icon="edit" Size="ButtonSize.Small" Click="@(args => EditRow(order))">
                </RadzenButton>
            </Template>
            <EditTemplate Context="order">
                <RadzenButton Icon="save" Size="ButtonSize.Small" Click="@((args) => SaveRow(order))">
                </RadzenButton>
                <RadzenButton Icon="cancel" Size="ButtonSize.Small" ButtonStyle="ButtonStyle.Secondary" Click="@((args) => CancelEdit(order))">
                </RadzenButton>
            </EditTemplate>
        </RadzenGridColumn>
        <RadzenGridColumn TItem="IPendingHandlingUnit" Property="IDoc" Title="IDoc">
            <Template Context="order">
                <div>@order.IDoc</div>
            </Template>
            <EditTemplate Context="order">
                <RadzenDatePicker @bind-Value="order.IDoc" Style="width:100%" />
            </EditTemplate>
        </RadzenGridColumn>
        <RadzenGridColumn TItem="IPendingHandlingUnit" Property="HandlingUnit" Title="HandlingUnit">
            <Template Context="order">
                <div>@order.HandlingUnit</div>
            </Template>
            <EditTemplate Context="order">
                <RadzenDatePicker @bind-Value="order.HandlingUnit" Style="width:100%" />
            </EditTemplate>
        </RadzenGridColumn>
        <RadzenGridColumn TItem="IPendingHandlingUnit" Property="PackingHeight" Title="Höhe">
            <Template Context="order">
                <div>@order.PackingHeight</div>
            </Template>
            <EditTemplate Context="order">
                <RadzenDatePicker @bind-Value="order.PackingHeight" Style="width:100%" />
            </EditTemplate>
        </RadzenGridColumn>
    </Columns>
</RadzenGrid>

@code {

    RadzenGrid<IPendingHandlingUnit> ordersGrid;
    IList<IPendingHandlingUnit> orders;

    protected override void OnInitialized()
    {
        base.OnInitialized();
        orders = new List<IPendingHandlingUnit>();
        IPendingHandlingUnit unit = new PendingHandlingUnit();
        unit.HandlingUnit = "TestUnit";
        unit.IDoc = "TestIdoc.txt";
        unit.PackingHeight = 0;
        orders.Add(unit);
    }

    void EditRow(IPendingHandlingUnit order)
    {
        ordersGrid.EditRow(order);
    }

    void OnUpdateRow(IPendingHandlingUnit order)
    {
    }

    void SaveRow(IPendingHandlingUnit order)
    {
    }

    void CancelEdit(IPendingHandlingUnit order)
    {
    }

    void DeleteRow(IPendingHandlingUnit order)
    {
    }

}

Hi @asto,

Your code seems to use RadzenDatePicker components but you are trying to enter numbers e.g. 20. The RadzenDatePicker is used only for editing DateTime (date) values. For numbers you should use the RadzenNumeric component as in the inline editing demo:

<RadzenGridColumn TItem="Order" Property="Freight" Title="Freight">
  <Template Context="order">
     @String.Format(new System.Globalization.CultureInfo("en-US"), "{0:C}", order.Freight)
  </Template>
  <EditTemplate Context="order">
       <RadzenNumeric @bind-Value="order.Freight" Style="width:100%" />
  </EditTemplate>
</RadzenGridColumn>

Oh yes you are so right, copy and paste error. Thanks so much for this quick support you
save me a lot of time.
Best regards
Arne