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UI for WPF Forum
2 answers
61 views

Hi there,

We have a situation where we're creating dockable panes and we'd like to make it so when you hit the button to make one it will create it and start a drag option automatically so you can then dock it where you want as soon as you make it, is this doable at all? I haven't been able to find anything online about it

Thanks

Stenly
Telerik team
 answered on 13 Dec 2021
1 answer
80 views

Hi, 
I use two RadListboxes to allow users to order some things and save the ordered list.
I now want the user to filter the lists and tried the RadDataFilter. 
So I bound the Listboxes Itemsource to the RadFIlter.

The problem is, that now the Drag Dop doesnt work anymore.

Is there any way I can do both? Use the filter and the Drag Drop? Or do I have to program my own filter functionality?

Greetings Benedikt

 

<UserControl 
    x:Class="DispoTelerik2.ucMappenProduktionslinienPlanung"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
    xmlns:local="clr-namespace:DispoTelerik2"
    xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation" 
    xmlns:iconPacks="http://metro.mahapps.com/winfx/xaml/iconpacks"
    xmlns:mat="clr-namespace:Telerik.Windows.Controls.MaterialControls;assembly=Telerik.Windows.Controls"
    xmlns:dataFilter="clr-namespace:Telerik.Windows.Controls.Data.DataFilter;assembly=Telerik.Windows.Controls.Data"
    >
    <Grid
        Grid.IsSharedSizeScope="True"
        >
        <Grid.Resources>
            <local:FarbeGutSchlechtConverter x:Key="FarbeGutSchlechtConverter" />
            <Style x:Key="DraggableListBoxItem" TargetType="telerik:RadListBoxItem" BasedOn="{StaticResource RadListBoxItemStyle}">
                <Setter Property="telerik:DragDropManager.AllowCapturedDrag" Value="True" />
            </Style>
            <DataTemplate x:Key="MappenTemplate">
                <Border
                    BorderThickness="1"
                    BorderBrush="{telerik:MaterialResource ResourceKey=ReadOnlyBorderBrush}"
                    >
                    <Grid
                        Margin="2"
                        >
                        <Grid.RowDefinitions>
                            <RowDefinition Height="Auto"/>
                            <RowDefinition Height="Auto"/>
                            <RowDefinition Height="Auto"/>
                            <RowDefinition Height="Auto"/>
                            <RowDefinition Height="Auto"/>
                            <RowDefinition Height="Auto"/>
                            <RowDefinition Height="Auto"/>
                        </Grid.RowDefinitions>
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition SharedSizeGroup="ssgMappeProduktionslinienPlanung1"/>
                            <ColumnDefinition SharedSizeGroup="ssgMappeProduktionslinienPlanung2"/>
                            <ColumnDefinition SharedSizeGroup="ssgMappeProduktionslinienPlanung3"/>
                        </Grid.ColumnDefinitions>
                        <iconPacks:PackIconMaterial 
                            Grid.Row="0"
                            Grid.Column="0"
                            HorizontalAlignment="Center"
                            Kind="AlphaSCircle" 
                            >
                            <iconPacks:PackIconMaterial.Foreground>
                                <SolidColorBrush
                                    Color="{Binding Gesägt, Converter={StaticResource FarbeGutSchlechtConverter}}"
                                    />
                            </iconPacks:PackIconMaterial.Foreground>
                        </iconPacks:PackIconMaterial>
                        <TextBlock
                            Grid.Row="1"
                            Grid.Column="0"
                            Grid.ColumnSpan="2"
                            HorizontalAlignment="Center"
                            FontWeight="Bold"
                            FontSize="{DynamicResource FontSizeM}"
                            Text="{Binding Mappe}"
                            Margin="5 2 0 2"
                            />
                        <TextBlock
                            Grid.Row="2"
                            Grid.Column="0"
                            HorizontalAlignment="Center"
                            FontWeight="Bold"
                            Text="{Binding ProduktTyp}"
                            Margin="5 2 3 2"
                            />
                        <TextBlock
                            Grid.Row="2"
                            Grid.Column="1"
                            HorizontalAlignment="Center"
                            Text="{Binding Zellen, StringFormat={}Zellen: {0:n0}}"
                            Margin="8 2 0 2"
                            />
                        <TextBlock
                            Grid.Row="3"
                            Grid.Column="0"
                            HorizontalAlignment="Center"
                            Text="{Binding AufwandBAZ, StringFormat={}Aufwand BAZ: {0:n0}}"
                            Margin="10 2 3 2"
                            Visibility="{Binding Path=ProduktGruppeMöbel, Converter={StaticResource VisibleIfTrueConverter}}"
                            />
                        <TextBlock
                            Grid.Row="3"
                            Grid.Column="1"
                            HorizontalAlignment="Center"
                            Text="{Binding Einzelteile, StringFormat={}Einzelteile: {0:n0}}"
                            Margin="8 2 0 2"
                            Visibility="{Binding Path=ProduktGruppeMöbel, Converter={StaticResource VisibleIfTrueConverter}}"
                            />
                        <TextBlock
                            Grid.Row="3"
                            Grid.Column="1"
                            HorizontalAlignment="Center"
                            Text="{Binding TrennwändeEinzelteile, StringFormat={}Einzelteile: {0:n0}}"
                            Margin="8 2 0 2"
                            Visibility="{Binding Path=ProduktGruppeTrennwände, Converter={StaticResource VisibleIfTrueConverter}}"
                            />
                        <TextBlock
                            Grid.Row="4"
                            Grid.Column="0"
                            Grid.ColumnSpan="2"
                            HorizontalAlignment="Center"
                            FontWeight="Medium"
                            Text="{Binding Termin, StringFormat={}Plantermin: {0:dd.MM.yy}}"
                            Margin="5 2 0 2"
                            />
                        <TextBlock
                            Grid.Row="5"
                            Grid.Column="0"
                            Grid.ColumnSpan="2"
                            HorizontalAlignment="Center"
                            FontWeight="Medium"
                            Text="{Binding Endtermin, StringFormat={}Endtermin: {0:dd.MM.yy}}"
                            Margin="5 2 0 2"
                            />
                        <TextBlock
                            Grid.Row="6"
                            Grid.Column="0"
                            HorizontalAlignment="Center"
                            Text="{Binding MöbelProduktausprägung}"
                            Margin="5 2 3 2"
                            Visibility="{Binding Path=ProduktGruppeMöbel, Converter={StaticResource VisibleIfTrueConverter}}"
                            />
                        <TextBlock
                            Grid.Row="6"
                            Grid.Column="1"
                            HorizontalAlignment="Center"
                            Text="{Binding MöbelSchwierigkeit, StringFormat={}Schwierigkeit: {0}}"
                            Margin="8 2 0 2"
                            Visibility="{Binding Path=ProduktGruppeMöbel, Converter={StaticResource VisibleIfTrueConverter}}"
                            />
                        <TextBlock
                            Grid.Row="6"
                            Grid.Column="0"
                            HorizontalAlignment="Center"
                            Text="{Binding TrennwändeAnlagenmerkmal}"
                            Margin="5 2 3 2"
                            Visibility="{Binding Path=ProduktGruppeTrennwände, Converter={StaticResource VisibleIfTrueConverter}}"
                            />
                        <TextBlock
                            Grid.Row="6"
                            Grid.Column="1"
                            HorizontalAlignment="Center"
                            Text="{Binding TrennwändeProfilausbildung}"
                            Margin="8 2 0 2"
                            Visibility="{Binding Path=ProduktGruppeTrennwände, Converter={StaticResource VisibleIfTrueConverter}}"
                            />
                    </Grid>
                </Border>
            </DataTemplate>
            <!--<DataTemplate x:Key="ProduktTypFilterEditorTemplate">
                <telerik:RadComboBox 
                    SelectedValue="{Binding Value, Mode=TwoWay}"
                    ScrollViewer.CanContentScroll="False"
					MinWidth="100" />
            </DataTemplate>-->
            <!--<local:clsCustomEditorTemplateSelector x:Key="CustomEditorTemplateSelector">
                <local:clsCustomEditorTemplateSelector.EditorTemplateRules>
                    <local:EditorTemplateRule 
                        PropertyName="ProduktTyp"
						DataTemplate="{StaticResource ProduktTypFilterEditorTemplate}" 
                        />
                </local:clsCustomEditorTemplateSelector.EditorTemplateRules>
            </local:clsCustomEditorTemplateSelector>-->
            <local:RadFilterTypes x:Key="RadFilterTypes" />
        </Grid.Resources>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="100*"/>
        </Grid.RowDefinitions>
        <telerik:RadToolBar
            Grid.Row="0"
            VerticalAlignment="Top"
            >
            <telerik:RadComboBox
                ToolTip="Anzuzeigende Linie auswählen"
                ItemsSource="{Binding ProduktionslinienBereiche}"
                SelectedItem="{Binding selProduktionslinienBereich, Mode=TwoWay}"
                telerik:TextSearch.TextPath="Bezeichnung"
                EmptyText="Linie auswählen"
                ScrollViewer.CanContentScroll="False"
                DisplayMemberPath="Bezeichnung"      
                ClearSelectionButtonContent="Auswahl aufheben"
                ClearSelectionButtonVisibility="Visible"
                />
            <telerik:RadDropDownButton
                ToolTip="Anzuzeigenden Zeitraum auswählen"
                IsOpen="{Binding ZeitraumOpen, Mode=TwoWay}"
                >
                <telerik:RadDropDownButton.Content>
                    <StackPanel
                        Orientation="Horizontal"
                        >
                        <iconPacks:PackIconMaterial
                            Kind="CalendarMultiple"
                            VerticalAlignment="Center"
                            HorizontalAlignment="Center"
                            Width="{DynamicResource FontSizeM}"
                            Height="{DynamicResource FontSizeM}"
                            Margin="0 0 5 0"
                            />
                        <TextBlock
                            Text="Zeitraum"
                            />
                    </StackPanel>
                </telerik:RadDropDownButton.Content>
                <telerik:RadDropDownButton.DropDownContent>
                    <StackPanel
                        Margin="8,5"
                        >
                        <telerik:RadDateTimePicker
                            ToolTip="Datum das angezeigt werden soll?"
                            HorizontalAlignment="Left"
                            InputMode="DatePicker"
                            SelectedValue="{Binding Datum, Mode=TwoWay}"
                            AllowParsingWithoutSeparator="True"
                            />
                        <Button
                            Name="btZeitraum"
                            Content="Anzeigen"
                            Margin="0 10 0 0"
                            FontWeight="Medium"
                            Command="{Binding AktualisierenCommand}"
                            >
                        </Button>
                    </StackPanel>
                </telerik:RadDropDownButton.DropDownContent>
            </telerik:RadDropDownButton>
            <Button
                Command="{Binding SpeichernCommand}"
                ToolTip="Tagesplanung Speichern"
                >
                <Button.Content>
                    <StackPanel
                        Orientation="Horizontal"
                        >
                        <iconPacks:PackIconMaterial
                            Kind="ContentSaveOutline"
                            VerticalAlignment="Center"
                            HorizontalAlignment="Center"
                            Width="{DynamicResource FontSizeM}"
                            Height="{DynamicResource FontSizeM}"
                            Margin="0 0 5 0"
                            />
                        <TextBlock
                            Text="Speichern"
                            />
                    </StackPanel>
                </Button.Content>
            </Button>
            <Button
                Command="{Binding HinzufügenCommand}"
                ToolTip="Nicht fällige Mappe in Pool hinzufügen"
                >
                <Button.Content>
                    <StackPanel
                        Orientation="Horizontal"
                        >
                        <iconPacks:PackIconMaterial
                            Kind="FolderDownload"
                            VerticalAlignment="Center"
                            HorizontalAlignment="Center"
                            Width="{DynamicResource FontSizeM}"
                            Height="{DynamicResource FontSizeM}"
                            Margin="0 0 5 0"
                            />
                        <TextBlock
                            Text="Hinzufügen"
                            />
                    </StackPanel>
                </Button.Content>
            </Button>
        </telerik:RadToolBar>
        <Grid
            Grid.Row="1"
            >
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="100*"/>
            </Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
            </Grid.ColumnDefinitions>
            <TextBlock
                Grid.Row="0"
                Grid.Column="0"
                Text="Pool"
                HorizontalAlignment="Center"
                FontSize="{telerik:MaterialResource ResourceKey=FontSizeL}"
                Margin="5"
                />
            <telerik:RadDataFilter 
                x:Name="rdfMappen"
                Grid.Row="1"
                Grid.Column="0"
                Source="{Binding Mappen}"
                AutoGenerateItemPropertyDefinitions="False"
                >
                <telerik:RadDataFilter.ItemPropertyDefinitions>
                    <dataFilter:ItemPropertyDefinition 
                        PropertyName="ProduktTyp"
						PropertyType="{Binding String, Source={StaticResource RadFilterTypes}}"
						DisplayName="Produkt-Typ" 
                        />
                    <dataFilter:ItemPropertyDefinition 
                        PropertyName="Mappe"
						PropertyType="{Binding Int, Source={StaticResource RadFilterTypes}}"
						DisplayName="Mappe" 
                        />
                    <dataFilter:ItemPropertyDefinition 
                        PropertyName="Endtermin"
						PropertyType="{Binding DateTime, Source={StaticResource RadFilterTypes}}"
						DisplayName="Endtermin" 
                        />
                    <dataFilter:ItemPropertyDefinition 
                        PropertyName="Termin"
						PropertyType="{Binding DateTime, Source={StaticResource RadFilterTypes}}"
						DisplayName="Plantermin" 
                        />
                </telerik:RadDataFilter.ItemPropertyDefinitions>
            </telerik:RadDataFilter>
            <telerik:RadListBox
                x:Name="rlbMappen"
                Grid.Row="2"
                Grid.Column="0"
                AllowDrop="True"
                ItemsSource="{Binding FilteredSource, ElementName=rdfMappen}"
                ItemTemplate="{StaticResource MappenTemplate}"
                ItemContainerStyle="{StaticResource DraggableListBoxItem}"
                MinWidth="200"
                Margin="5 0"
                >
                <telerik:RadListBox.DragVisualProvider>
                    <telerik:ScreenshotDragVisualProvider />
                </telerik:RadListBox.DragVisualProvider>
                <telerik:RadListBox.DragDropBehavior>
                    <telerik:ListBoxDragDropBehavior 
                        AllowReorder="False" 
                        telerik:TouchManager.DragStartTrigger="TapHoldAndMove"
                        />
                </telerik:RadListBox.DragDropBehavior>
            </telerik:RadListBox>
            <TextBlock
                Grid.Row="0"
                Grid.Column="1"
                Text="Planung"
                HorizontalAlignment="Center"
                FontSize="{telerik:MaterialResource ResourceKey=FontSizeL}"
                Margin="5"
                />
            <telerik:RadDataFilter 
                x:Name="rdfMappenGeordnet"
                Grid.Row="1"
                Grid.Column="1"
                Source="{Binding MappenGeordnet}"
                AutoGenerateItemPropertyDefinitions="False"
                >
                <telerik:RadDataFilter.ItemPropertyDefinitions>
                    <dataFilter:ItemPropertyDefinition 
                        PropertyName="ProduktTyp"
						PropertyType="{Binding String, Source={StaticResource RadFilterTypes}}"
						DisplayName="Produkt-Typ" 
                        />
                    <dataFilter:ItemPropertyDefinition 
                        PropertyName="Mappe"
						PropertyType="{Binding Int, Source={StaticResource RadFilterTypes}}"
						DisplayName="Mappe" 
                        />
                    <dataFilter:ItemPropertyDefinition 
                        PropertyName="Endtermin"
						PropertyType="{Binding DateTime, Source={StaticResource RadFilterTypes}}"
						DisplayName="Endtermin" 
                        />
                    <dataFilter:ItemPropertyDefinition 
                        PropertyName="Termin"
						PropertyType="{Binding DateTime, Source={StaticResource RadFilterTypes}}"
						DisplayName="Plantermin" 
                        />
                </telerik:RadDataFilter.ItemPropertyDefinitions>
            </telerik:RadDataFilter>
            <telerik:RadListBox
                x:Name="rlbMappenGeordnet"
                Grid.Row="2"
                Grid.Column="1"
                AllowDrop="True"
                ItemsSource="{Binding FilteredSource, ElementName=rdfMappenGeordnet}"
                ItemTemplate="{StaticResource MappenTemplate}"
                ItemContainerStyle="{StaticResource DraggableListBoxItem}"
                MinWidth="200"
                Margin="5 0"
                >
                <telerik:RadListBox.DragVisualProvider>
                    <telerik:ScreenshotDragVisualProvider />
                </telerik:RadListBox.DragVisualProvider>
                <telerik:RadListBox.DragDropBehavior>
                    <telerik:ListBoxDragDropBehavior 
                        AllowReorder="True" 
                        telerik:TouchManager.DragStartTrigger="TapHoldAndMove"
                        />
                </telerik:RadListBox.DragDropBehavior>
            </telerik:RadListBox>
        </Grid>
    </Grid>
</UserControl>


Martin Ivanov
Telerik team
 answered on 18 Nov 2021
1 answer
75 views

Hi Guys,

We're using a behaviour class that is driven by the DragDropManager, hooking into some of the events, namely GiveFeedback and DragOver.

I'd like to change the cursor to a blocked symbol if the control we're dragging is hovered over another control of the same type.

Within the GiveFeedback event, we're unable to determine what control we're currently hovering over. Instead we tried using the OnDragOver event, where we are able to establish the current position but unable to change the cursor.

Is there any other way to change the cursor without the GiveFeedbackEventArgs?

Thanks

 

 

Martin Ivanov
Telerik team
 answered on 20 Oct 2021
1 answer
105 views

When selected objects, like shapes and links between the shapes are dragged, if they are selected they all move together as a group as expected. At the end of the drag, a Drag event is generated and in the DragRoutedEventArgs there's an Items list which indicates which items have been dragged, and in some cases the new position.

If the item being dragged is a shape, then I see a IDragItem with a position value.

If the items is a connection between say two shapes dragged, then I see another IDragItem, however, it's position is always 0, 0

The problem I have is that if the connection is a straight line between shapes then it works fine. However, if the connection has extra points added by the user, then I don't get told about those points. So how do I update the data behind about those points?

Dragging the shapes in the view is working correctly, however there's missing data, so if I save and restore, the extra connection points weren't updated so they show the old position. I'll attach a diagram of what I mean.

Vladimir Stoyanov
Telerik team
 answered on 07 Sep 2021
1 answer
249 views

Hi,

I have a project where I need to be able to drag a ListBox Item to a different ListBox. If I dont populate the second Listbox with anything; then when I drop the item, it just disappears. When I have at least 1 Item in the second ListBox then I get "'Element already has a logical parent. It must be detached from the old parent before it is attached to a new one". I need to be able to do this as well as add a prefix to each added item eg: "A - FirstItem" and "B - SecondItem".

I tried using the Converter class too but it doesnt seem to work. It is important to note that I have tried this method using Binding as well as just dynamically adding objects to the Listbox. Nothing works. Attached is all the images from my sample project needed to diagnose my issue.

Please Help

Thank you,

Dean.

Stenly
Telerik team
 answered on 31 Aug 2021
2 answers
103 views

Hi Telerik Team,

I am facing two issues in RadgridView,

1. I am getting  "Not Responding" message when I drag and drop the column header to do grouping . this issue is occurring when we have more than 15,000 records in RadgridView.

2. After grouping when I click any grouped row , the row visibility is getting collapsed.

Please kindly help me on this issues.

 

 

Stenly
Telerik team
 answered on 04 Aug 2021
37 answers
475 views

Hi all 

I have a ListBox and its has Items to be Displayed. Additional i have added 

 <telerik:ListBoxDragDrop.Behavior> // for dragging operation
<telerik:ListBoxDragDropBehavior AllowReorder="True" telerik:TouchManager.DragStartTrigger="TapHoldAndMove" />
</telerik:ListBoxDragDrop.Behavior>
            
<telerik:ListBoxDragDrop.DragVisualProvider> //// for dragging Visual operation
<telerik:ScreenshotDragVisualProvider />
</telerik:ListBoxDragDrop.DragVisualProvider>

Any idea to Restrict the Dragging-Visual within the parent windows bounds.

Thanks In Advance

Dinko | Tech Support Engineer
Telerik team
 answered on 22 Apr 2021
1 answer
59 views

Hello,

I want to drag multiple items in RadTreeView and drop to Grid (NOT GridView).

Is there any previous threads about it or code samples?

 

Martin Ivanov
Telerik team
 answered on 07 Apr 2021
1 answer
64 views

Hi.

I'm creating a UI to drag items from a RadListBox into a RadDiagramContainerShape. When dragging over the container shape a huge red border is generated, but it doesn't mix well with my app look and feel, is is possible to style it or remove it?

 

You can see an example here.

Martin Ivanov
Telerik team
 answered on 18 Mar 2021
1 answer
420 views

Hello.

I want to load a desktop files in grid view using MVVM. Is there a way? (I'm not use MVVM Light kit.)

It is easy to add and remove files by using buttons, but Drag and Drop is difficult to implement because there are not many examples.

I want to add it using the file model using drag and drop and add it to the column by customizing it.

See the image for details.

 

<This is a simple .xaml>

<telerik:RadGridView ItemsSource  ="{Binding MultiFiles}"
                                     rad:GridViewSelectionUtilities.SelectedItems = "{Binding MultiFileItems}"
                                     GroupRenderMode ="Flat"
                                     HorizontalAlignment="Stretch"
                                     AutoGenerateColumns="False"
                                     ShowColumnHeaders="True"
                                     ShowGroupFooters="False"
                                     ShowGroupPanel="False"
                                     RowIndicatorVisibility="Collapsed"
                                     EnableColumnVirtualization="True"
                                     EnableRowVirtualization="True"
                                     VirtualizingPanel.IsVirtualizing="True"
                                     ScrollViewer.HorizontalScrollBarVisibility ="Auto"
                                     ScrollViewer.VerticalScrollBarVisibility ="Auto"
                                     FrozenColumnsSplitterVisibility="Collapsed"
                                     IsFilteringAllowed="False"
                                     AutoExpandGroups="False"
                                     ShowSearchPanel="False"
                                     SearchPanelCloseButtonVisibility="Collapsed"
                                     SelectionMode="Extended"
                                     SelectionUnit="FullRow"
                                     >
                    <telerik:RadGridView.Resources>
                        <Style x:Key="CheckboxCellStyle" TargetType="telerik:GridViewCell" BasedOn="{StaticResource GridViewCellStyle}">
                            <Setter Property="HorizontalContentAlignment" Value="Center"/>
                        </Style>
                    </telerik:RadGridView.Resources>
                     
                    <telerik:RadGridView.Columns>
                        <telerik:GridViewSelectColumn />
                        <telerik:GridViewDataColumn DataMemberBinding="{Binding Name}"
                                                    ToolTip="{Binding Name}"
                                                    IsReadOnly="True"
                                                    Width="300"
                                                    Header="File Name"/>
                        <telerik:GridViewComboBoxColumn ItemsSourceBinding ="{Binding WorkTypes}"
                                                        DataMemberBinding="{Binding WorkType}"
                                                        DisplayMemberPath="Name"
                                                        SelectedValueMemberPath="Name"
                                                        IsReadOnly="False"
                                                        Width="80"
                                                        Header="WorkType"
                                                        >
 
                        </telerik:GridViewComboBoxColumn>
                        <telerik:GridViewDataColumn DataMemberBinding="{Binding Status}"
                                                    ToolTip="{Binding Status}"
                                                    IsReadOnly="True"
                                                    Width="60"
                                                    Header="Status"/>
                         
                        <telerik:GridViewDataColumn DataMemberBinding="{Binding EtcText}"
                                                    ToolTip="{Binding EtcText}"
                                                    IsReadOnly="True"
                                                    Width="auto"
                                                    Header="ETC"/>
                    </telerik:RadGridView.Columns>
                </telerik:RadGridView>

 

<Model>

public class MultiFileModel
{
    public string Name      { get; set; } = string.Empty;
    public string WorkTypes { get; set; } = string.Empty;
    public string Status    { get; set; } = $"X";
    public string EtcText   { get; set; } = string.Empty;
}

 

<ViewModel>

?

 

Thanks.

Martin Ivanov
Telerik team
 answered on 18 Jan 2021
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