How to pass parameter to event LoadingRowDetails (Hierarchical View)

[Mateusz]

Hello,

 

This is my first post here and I sense that it's not last, due to your unhelpfull documentation and demos. I have RadGridView with data bound. Everything is connected to ADO and dynnamically loaded and refreshed. Also, I can pass parameter of my gridView.SelectedItem to Linq query, to retrieve the data. What I want to do is pass parameter of expanted data. For full clarification:

1. After I press "+" button my row is expanding to row details

2. I have 2 tabs there, 1st is a simple grid, 2nd is a grid view with table.

3. I need to pass parameter (Id of row I'm expanding) to query. 

 

As I mentioned, my connection and data binding works, because I can achieve this by using SelectedItem property. The problem is that, SelectedItem property passes Id of selected item, not expanded one, which means I can pass id of another item, to my expanded item. All I need here is to get something like "ExpandedItem" property, how do I get it?

 

XAML

<Grid>
        <telerik:RadGridView  x:Name="ListaProduktow" GroupRenderMode="Flat"
                                  CanUserFreezeColumns="False"
                                  RowIndicatorVisibility="Collapsed"
                                  ItemsSource="{Binding}"
                                    AutoGenerateColumns="False"
                              ShowGroupPanel="False"
                              FilteringMode="Popup"
                              ShowSearchPanel="True"
                              IsSearchingDeferred="True"
                              AlternationCount="2"
                              LoadingRowDetails="SzczegolyClick"
                             >

        <telerik:RadGridView.Columns>

            <telerik:GridViewToggleRowDetailsColumn />

                <telerik:GridViewDataColumn Header="Departament" TextWrapping="Wrap"
                                                DataMemberBinding="{Binding Departament}"
                                            Width="100"
                                            IsReadOnly="True"
                                            />

...OTHER COLUMNS...


            </telerik:RadGridView.Columns>
            <telerik:RadGridView.RowDetailsTemplate>
                <DataTemplate>
                    <telerik:RadTabControl x:Name="SzczegolyForm"
                                           Width="702"
                                           HorizontalAlignment="Left"
                                           Margin="8"
                                           VerticalAlignment="Center"
                                          >
...1st TAB...

 </telerik:RadTabItem>

                            <telerik:RadTabItem Header="Stany Magazynowe"
                                                TabIndex="2"
                                               >
                            <telerik:RadGridView
                                                 Width="Auto"
                                                 HorizontalAlignment="Stretch"
                                                 IsReadOnly="True"
                                                 ShowGroupPanel="False"
                                                 AutoGenerateColumns="False"
                                                ItemsSource="{Binding StanyMagazynowe}"
                                                Name="StanyMagazynoweForm">
                                <telerik:RadGridView.Columns>
                                    <telerik:GridViewDataColumn DataMemberBinding="{Binding Magazyn}"
                                                                Header="Kod Magazynu" />
                                    <telerik:GridViewDataColumn DataMemberBinding="{Binding Ilość}"
                                                                Header="Ilość" />
                                </telerik:RadGridView.Columns>
                            </telerik:RadGridView>
                        </telerik:RadTabItem>
                        </telerik:RadTabControl>
                </DataTemplate>
            </telerik:RadGridView.RowDetailsTemplate>
        </telerik:RadGridView>
</Grid>

 

Code behind:

 

  private void SzczegolyClick(object sender, GridViewRowDetailsEventArgs e)
       {
           WarehouseDetails();
           ListaProduktow.ItemsSource = products;
       }

private void WarehouseDetails()
       {
           string productId;
           var selectedProduct = ListaProduktow.SelectedItem as V_PRODUCTS_LIST;

           if (selectedProduct != null)
           {
               productId = selectedProduct.Id_Product;
               selectedProduct.StanyMagazynowe = products.Where(e => e.Id_Product == productId).Select(product =>
                   new StanyMagazynowe()
                   {
                       Magazyn = product.Magazyn,
                       Ilość = product.Ilość
                   }).ToList();
           }


       }

[Yoan]

Hello,

You can use GridView's LoadingRowDetails event which is raised when you press the "+" button. The "Row" event argument should be suitable for you. Please check the following code snippet for a reference:

private void clubsGrid_LoadingRowDetails(object sender, Telerik.Windows.Controls.GridView.GridViewRowDetailsEventArgs e)
        {
            var theObjectBehindTheExpandedRow = e.Row.Item;
        }

I hope this helps.

Regards,
Yoan
Progress Telerik

[Mateusz]

Yes, it does, thanks. I wish there was a documentation for that.

[Yoan]

Hello,

I am glad to hear that. We will update our documentation asap.

Regards,
Yoan
Progress Telerik