Hi,

I'm trying to apply the RowReorderBehavior (example xaml-sdk) in a hierarchical-gridview and wondering how to enable to childgrid for drah-and-drop.

 <controls:GridView
          x:Name="GridView"
          ItemsSource="{Binding Items}">
          <telerik:RadGridView.ChildTableDefinitions>
            <telerik:GridViewTableDefinition />
          </telerik:RadGridView.ChildTableDefinitions>
          <telerik:RadGridView.HierarchyChildTemplate>
            <DataTemplate>
              <controls:GridView
                x:Name="ChildGrid"
                AllowDrop="True"
                Drop="UIElement_OnDrop"
                ItemsSource="{Binding InvoiceLines}"
                RowIndicatorVisibility="Visible"
                SelectedItem="{Binding CurrentChild, Mode=TwoWay}">
                <controls:GridView.Resources>
                  <DataTemplate x:Key="DraggedItemTemplate">
                    <StackPanel>
                      <StackPanel Orientation="Horizontal">
                        <TextBlock Text="Dragging:" />
                        <TextBlock FontWeight="Bold" Text="{Binding CurrentDraggedItem}" />
                      </StackPanel>
                      <StackPanel Orientation="Horizontal">
                        <TextBlock
                          MinWidth="45"
                          FontWeight="Bold"
                          Text="{Binding CurrentDropPosition}" />
                        <TextBlock Foreground="Gray" Text=", (" />
                        <TextBlock Text="{Binding CurrentDraggedOverItem}" />
                        <TextBlock Foreground="Gray" Text=")" />
                      </StackPanel>
                    </StackPanel>
                  </DataTemplate>
                </controls:GridView.Resources>
                <controls:GridView.RowStyle>
                  <Style TargetType="telerik:GridViewRow">
                    <Setter Property="telerik:DragDropManager.AllowDrag" Value="True" />
                    <Setter Property="telerik:DragDropManager.TouchDragTrigger" Value="TapAndHold" />
                  </Style>
                </controls:GridView.RowStyle>

in the code behind is want to enable the childgrid like: RowReorderBehavior.SetIsEnabled(childgrid, isEnabled);

My problem is how to find the dependencyobject for the childgrid. Trying something like this...

this.GridView.HierarchyChildTemplate.FindName("ChildGrid", ????)

Hi Progress Telerik,

I have selected an GanttTask in GanttView. The selection is OK. But while exporting the whole GanttArea it is showing with different Task Selection. Please find the attachment for a clear understanding and kindly provide me the solution. I have used the below code which is available in https://github.com/telerik/xaml-sdk/tree/master/GanttView/PrintingAndExporting

var exportSettings = new ImageExportSettings(new Size(816, 1056), true, GanttArea.AllAreas);

using (var export = ganttView.ExportingService.BeginExporting(exportSettings))
{
    exportImages = export.ImageInfos.ToList().Select(info => info.Export());
}

Thanks and Regards,

Muhammad Azhar Shah

MSC Technology

I am getting a null reference exception whenever assigning to the RadPdfViewer FixedDocumentPresenter property. The last line of code below is where an exception is thrown. I have also tried to set the FixedDocumentPresenter property by using pdfViewer.GetRegisteredPresenter(), but I get the same exception. I need the presenter to be set so I can get coordinates of the PDF but the value is null.

            pdfViewer = new RadPdfViewer();
            string pdfFilePath = "C:\\temp\\GeneratedDocument.pdf";
            MemoryStream stream = new MemoryStream();
            using (Stream input = File.OpenRead(pdfFilePath))
            {
                input.CopyTo(stream);
            }
            FormatProviderSettings settings = new FormatProviderSettings(ReadingMode.OnDemand);
            PdfFormatProvider provider = new PdfFormatProvider(stream, settings);
            RadFixedDocument doc = provider.Import();
            pdfViewer.Document = doc;
            pdfViewer.MouseDoubleClick += PdfViewer_MouseDoubleClick;

            var myPresenter = new FixedDocumentSinglePageViewPresenter();
            pdfViewer.FixedDocumentPresenter = myPresenter;

EXCEPTION:Error Message: Object reference not set to an instance of an object.

   at Telerik.Windows.Controls.FixedDocumentViewerBase.InitializeFixedDocumentPresenter(IFixedDocumentPresenter releasedPresenter, IFixedDocumentPresenter presenter)
   at Telerik.Windows.Controls.FixedDocumentViewerBase.set_FixedDocumentPresenter(IFixedDocumentPresenter value)

Would it be possible to reorder the columns by dragging as in the GridView?

Thanks in advance,
Steve

Hi!

I have RadGridView, and I need to get Header cell for all columns. How to get header cells (not content) in RadGridView.

Thanks.

Hello,

I am new to both XAML and Telerik. I am trying to implement some functionality to an existing application that will allow me to drag and drop a tree node item to a data grid. I have been looking at the example here (https://github.com/telerik/xaml-sdk/tree/master/TreeView/DragDropTreeViewToControls) and it seems very similar to what I need except a data grid instead of a list box. It should behave in the following way:

1) Allow drag and drop of tree node items ONLY to the left column cell(s) of an adjacent data grid (the other column will be prepopulated with data)

2) DISABLE drap and drop (and reorder, etc) within the RadTreeView itself.

If possible, please attach an example solution in a zip file.

Thank you in advance.

Hello,

we've an issue with the fluent theme (and material theme also). 
As example the pin button has a wrong style. See attached screen shot.

How can we fix this problem?

Version: 2018.1.122.145.

Thanx

Markus