or
selectedItem = TryCast(Me.rgv_attributes.Items.Item(0), c_accionAtributo)Me.rgv_attributes.Items.EditItem(selectedItem)selectedItem.Value = "algo"Me.rgv_attributes.Items.CommitEdit()I'm creating a nested grid view that is three levels deep. I have a parent and a child grid with the child grid containing a tab control with two additional grids. The grids and everything load properly, however the buttons in the tab items are never being displayed (Add Hedging Default and Add Tank Bottom).
Do you see anything wrong with the XAML that would prevent them from being displayed? I've removed the stack panel, tried other buttons, set the size explicitly, etc without any change.
At this point I'm at a loss of where to go from here.
Thank you
<Grid DataContext="{StaticResource VmTerminalConfiguration}" Name="rootWindow" > <Grid.Resources> <DataTemplate x:Key="ChildRowDetailsTemplate"> <telerik:RadTabControl x:Name="tabControl" telerik:TouchManager.IsTouchHitTestVisible="False"> <telerik:RadTabItem Header="Hedging Defaults" Name="hedgingDefaultsTabItem"> <Grid x:Name="LayoutWhite" Background="White"> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="*" /> </Grid.RowDefinitions> <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Grid.Row="0" Margin="0,5,0,5"> <telerik:RadButton Content="Add New Hedging Default" Click="AddHedgingDefaultButton_Click" Width="150" Margin="0,0,5,0" /> </StackPanel> <telerik:RadGridView Grid.Row="1" Name="hedgingDefaultRadGridView" GroupRenderMode="Flat" ItemsSource="{Binding TerminalConfigurationHedgingDefaultVMs}" Foreground="Black" Height="250" RowIndicatorVisibility="Collapsed" AutoGenerateColumns="False" CanUserFreezeColumns="False" BorderThickness="0" CanUserResizeColumns="False" ShowGroupPanel="False" BorderBrush="{x:Null}" Margin="0" EditTriggers="CellClick" CellEditEnded="CellEditEnded"> <telerik:RadGridView.Resources> <Style x:Key="GridViewToggleButtonColumnStyle" TargetType="telerik:GridViewCell"> <Setter Property="Padding" Value="0,0,0,0" /> </Style> </telerik:RadGridView.Resources> <telerik:RadGridView.Columns> <telerik:GridViewComboBoxColumn Header="Product" DataMemberBinding="{Binding ParentCommodityID}" SelectedValueMemberPath="CommodityID" DisplayMemberPath="CommodityName" ItemsSource="{Binding AllParentCommodities,ValidatesOnDataErrors=True, UpdateSourceTrigger=PropertyChanged}" /> <telerik:GridViewComboBoxColumn Name="cmbReceiptHedgingDefault" Header="Receipt" DataMemberBinding="{Binding ReceiptHedgingDefault, Mode=TwoWay, ValidatesOnDataErrors=True}" ItemsSource="{Binding DefaultOptions}" /> <telerik:GridViewComboBoxColumn Name="cmbOtherHedgingDefault" Header="Other" DataMemberBinding="{Binding OtherHedgingDefault, Mode=TwoWay, ValidatesOnDataErrors=True}" ItemsSource="{Binding DefaultOptions}" /> <telerik:GridViewComboBoxColumn Name="cmbScheduleHedgingDefault" Header="Schedule" DataMemberBinding="{Binding ScheduleHedgingDefault, Mode=TwoWay, ValidatesOnDataErrors=True}" ItemsSource="{Binding DefaultOptions}" /> <telerik:GridViewDataColumn Name="dpHedgingDefaultEffectiveDate" Header="Effective Date" DataMemberBinding="{Binding EffectiveDate, StringFormat=d, ValidatesOnDataErrors=True}" Width="150" /> </telerik:RadGridView.Columns> </telerik:RadGridView> </Grid> </telerik:RadTabItem> <telerik:RadTabItem Header="Tank Bottoms" Name="tankBottomsTabItem"> <Grid Background="White"> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="*" /> </Grid.RowDefinitions> <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Grid.Row="0" Margin="0,5,0,5"> <telerik:RadButton Content="Add New Tank Bottom" Click="AddTankBottomButton_Click" Width="150" Margin="0,0,5,0" /> </StackPanel> <telerik:RadGridView Grid.Row="1" x:Name="tankBottomRadGridView" GroupRenderMode="Flat" ItemsSource="{Binding TerminalConfigurationTankBottomVMs}" Foreground="Black" Height="250" RowIndicatorVisibility="Collapsed" AutoGenerateColumns="False" CanUserFreezeColumns="False" BorderThickness="0" CanUserResizeColumns="False" ShowGroupPanel="False" BorderBrush="{x:Null}" Margin="0" EditTriggers="CellClick" CellEditEnded="CellEditEnded"> <telerik:RadGridView.Resources> <Style x:Key="GridViewToggleButtonColumnStyle" TargetType="telerik:GridViewCell"> <Setter Property="Padding" Value="0,0,0,0" /> </Style> </telerik:RadGridView.Resources> <telerik:RadGridView.Columns> <telerik:GridViewComboBoxColumn Header="Product" DataMemberBinding="{Binding ParentCommodityID}" SelectedValueMemberPath="CommodityID" DisplayMemberPath="CommodityName" ItemsSource="{Binding AllParentCommodities,ValidatesOnDataErrors=True, UpdateSourceTrigger=PropertyChanged}" /> <telerik:GridViewDataColumn Name="txtTankBottom" Header="Tank Bottom" DataMemberBinding="{Binding Bottom,ValidatesOnDataErrors=True}" Width="150" /> <telerik:GridViewDataColumn Name="dpTankBottomEffectiveDate" Header="Effective Date" DataMemberBinding="{Binding EffectiveDate, StringFormat=d, ValidatesOnDataErrors=True}" Width="150" /> </telerik:RadGridView.Columns> </telerik:RadGridView> </Grid> <!--<local:TerminalInventoryGridCommentView />--> </telerik:RadTabItem> </telerik:RadTabControl> </DataTemplate> <DataTemplate x:Key="RowDetailsTemplate"> <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="*" /> </Grid.RowDefinitions> <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Grid.Row="0" Margin="0,5,0,5"> <telerik:RadButton Content="Add New Terminal" Click="AddTerminalButton_Click" Width="150" Margin="0,0,5,0" /> </StackPanel> <telerik:RadGridView Grid.Row="1" HorizontalAlignment="Stretch" Name="terminalGridView" VerticalAlignment="Stretch" ItemsSource="{Binding TerminalConfigurationTerminalVMs}" Margin="0" GroupRenderMode="Flat" RowIndicatorVisibility="Collapsed" IsReadOnly="False" AutoGenerateColumns="False" CanUserFreezeColumns="False" CanUserResizeColumns="False" ColumnWidth="*" RowDetailsTemplate="{StaticResource ChildRowDetailsTemplate}" AllowDrop="True" IsFilteringAllowed="False" CanUserReorderColumns="True" CanUserDeleteRows="False" CanUserSortColumns="False" CanUserSortGroups="False" ShowGroupPanel="False" EditTriggers="CellClick" CellEditEnded="CellEditEnded"> <telerik:RadGridView.Columns> <telerik:GridViewToggleRowDetailsColumn/> <telerik:GridViewComboBoxColumn Name="cmbTerminalName" Header="Name" DataMemberBinding="{Binding TerminalID}" SelectedValueMemberPath="TerminalID" DisplayMemberPath="TerminalName" ItemsSource="{Binding AllTerminals, ValidatesOnDataErrors=True, UpdateSourceTrigger=PropertyChanged}" Width="150"/> <telerik:GridViewDataColumn Name="dpTerminalStartDate" Header="Start Date" DataMemberBinding="{Binding StartDate, StringFormat=d, ValidatesOnDataErrors=True, Mode=TwoWay}" Width="150" /> <telerik:GridViewDataColumn Name="dpTerminalEndDate" Header="End Date" DataMemberBinding="{Binding EndDate, StringFormat=d, ValidatesOnDataErrors=True, Mode=TwoWay}" Width="150" /> </telerik:RadGridView.Columns> </telerik:RadGridView> </Grid> </DataTemplate> </Grid.Resources> <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="*" /> </Grid.RowDefinitions> <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Grid.Row="0" Margin="0,5,0,5"> <telerik:RadButton Content="Add New Delivery Area" Click="AddDeliveryAreaButton_Click" Width="150" Margin="0,0,5,0" /> <telerik:RadButton Content="Save Changes" Click="SaveChangesButton_Click" Width="150" Margin="0,0,5,0" /> </StackPanel> <telerik:RadGridView Grid.Row="1" HorizontalAlignment="Stretch" Name="parentGridView" VerticalAlignment="Stretch" ItemsSource="{Binding TerminalConfigurationDeliveryAreaVMs}" Margin="0" GroupRenderMode="Flat" RowIndicatorVisibility="Collapsed" IsReadOnly="False" AutoGenerateColumns="False" CanUserFreezeColumns="False" CanUserResizeColumns="False" ColumnWidth="*" RowDetailsTemplate="{StaticResource RowDetailsTemplate}" AllowDrop="True" IsFilteringAllowed="False" CanUserReorderColumns="True" CanUserDeleteRows="False" CanUserSortColumns="False" CanUserSortGroups="False" ShowGroupPanel="False" EditTriggers="CellClick" CellEditEnded="CellEditEnded"> <telerik:RadGridView.Columns> <telerik:GridViewToggleRowDetailsColumn/> <telerik:GridViewDataColumn Header="Name" DataMemberBinding="{Binding DeliveryAreaName}" /> <telerik:GridViewComboBoxColumn Name="cmbInventoryRegion" Header="Region" DataMemberBinding="{Binding InventoryRegion,Mode=TwoWay, ValidatesOnDataErrors=True}" ItemsSource="{Binding AllInventoryRegions}" /> <telerik:GridViewCheckBoxColumn Name="cbInactive" Header="Inactive" DataMemberBinding="{Binding Inactive}" /> </telerik:RadGridView.Columns> </telerik:RadGridView> </Grid> </Grid><telerik:RadTransitionControl Grid.Column="3" Grid.Row="1" prism:RegionManager.RegionName="{x:Static common:RegionNames.MainRegion}"> <telerik:RadTransitionControl.Transition> <telerik:SlideAndZoomTransition/> </telerik:RadTransitionControl.Transition> </telerik:RadTransitionControl><Style TargetType="telerik:RadDiagramConnection" > <!----> <Setter Property="Visibility" Value="{Binding Visibility, Mode=TwoWay}" /> <!---->public class Item : INPBase { #region Content private string _Content; public string Content { get { return _Content; } set { Set(ref _Content, value); } } #endregion }public class Link : INPBase, ILink<Item> { public Visibility Visibility { get; set; } public Item Source { get; set; } public Item Target { get; set; } object ILink.Source { get { return ((object)Source); } set { if (!((object)Source).Equals(value)) { Source = value as Item; } } } object ILink.Target { get { return ((object)Target); } set { if (!((object)Target).Equals(value)) { Target = value as Item; } } } public Link() { Visibility = Visibility.Visible; }}public class TestTree : INPBase, IGraphSource { public ObservableCollection<Item> InternalItems { get; private set; } public ObservableCollection<Link> InternalLinks { get; private set; } public Item RootNode { get; private set; } public System.Collections.IEnumerable Items { get { return (InternalItems); } } public IEnumerable<ILink> Links { get { return(InternalLinks); } } public TestTree() { InternalItems = new ObservableCollection<Item>(); InternalLinks = new ObservableCollection<Link>(); BuildTree(); } private void BuildTree() { RootNode = new Item() { Content = "One" }; Item iTwo = new Item() { Content = "Two" }; Item iThree = new Item() { Content = "Three" }; Item iFour = new Item() { Content = "Four" }; InternalItems.Add(RootNode); InternalItems.Add(iTwo); InternalItems.Add(iThree); InternalItems.Add(iFour); InternalLinks.Add(new Link() { Target = RootNode, Source = iTwo }); InternalLinks.Add(new Link() { Target = RootNode, Source = iThree }); InternalLinks.Add(new Link() { Target = RootNode, Source = iFour }); } public void RebuildTree() { InternalLinks.Clear(); InternalItems.Clear(); BuildTree(); } public void AddNodeWithLink() { Item iNew = new Item() { Content = "I" + InternalItems.Count.ToString() }; Item iSource = InternalItems.First(); InternalItems.Add(iNew); InternalLinks.Add(new Link() { Target = iSource, Source = iNew }); } }public class TestVM : INPBase { private TestTree _TestTree; public TestTree TestTree { get { return _TestTree; } } public TestVM() { _TestTree = new TestTree(); } public void AddNode() { _TestTree.AddNodeWithLink(); } public void Rebuild() { _TestTree.RebuildTree(); }}System.Windows.Data Error: 40 : BindingExpression path error: 'Visibility' property not found on 'object' ''TestVM' (HashCode=61656587)'. BindingExpression:Path=Visibility; DataItem='TestVM' (HashCode=61656587); target element is 'RadDiagramConnection' (Name=''); target property is 'Visibility' (type 'Visibility')
<Grid DataContext="{Binding}" x:Name="grdHolder"> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="*" /> </Grid.RowDefinitions> <Button Content="Add node" VerticalAlignment="Center" HorizontalAlignment="Left" Click="AddNode_Click" /> <Button Content="Rebuild" VerticalAlignment="Center" HorizontalAlignment="Center" Click="Rebuild_Click" /> <Button Content="Layout" VerticalAlignment="Center" HorizontalAlignment="Right" Click="Layout_Click" /> <telerik:RadDiagram x:Name="dG" GraphSource="{Binding TestTree}" Grid.Row="1"/> </Grid><telerik:RadTabItem > <telerik:RadTabItem.Content> <Grid Name="displaypending" > <Grid.RowDefinitions> <RowDefinition Height="*" /> </Grid.RowDefinitions> </Grid> </telerik:RadTabItem.Content> </telerik:RadTabItem>
if (displaypending != null) { displaypending.Children.Clear(); Pending pending = new Pending(); displaypending.Children.Add(pending); IsScanningAllowed = ApplicationVariables.IsScannerInitiated; }