Hello,

I got some issues with setting a Value in an Object depending on the Selection in a GridViewComboBoxColumn.

I have a List of Objects bound to a RadGridView. An Object contains a List of valid Value-Objects for a Value-Property the Object has. What I want to do is now bind the List of valid Value-Objects to the ComboBoxes of the Column ( each Object has a different List of valid Value-Objects) and set the Value-Property of the referring Object depending on the SelectedItem in the ComboBox.

Object ()
{
string Name {get; set;}
int Number {get;set;}
List<Value> ValidValues;
Value Value {get; set;}
bool Visibility {get;set;}
}

Value()
{
string Description {get;set;}
string Key {get;private set;}
}

<telerik:RadGridView ItemsSource="{Binding Objects}" AutoGenerateColumns="False">
                        <telerik:RadGridView.Columns>
                            <telerik:GridViewDataColumn Header="Nr." DataMemberBinding="{Binding Number}" IsReadOnly="True">
                            </telerik:GridViewDataColumn>
                            <telerik:GridViewDataColumn Header="Name" IsReadOnly="True" DataMemberBinding="{Binding Name}">
                            </telerik:GridViewDataColumn>
                            <telerik:GridViewCheckBoxColumn Header="Visibility" IsReadOnly="True" DataMemberBinding="{Binding IsVisible}">
                            </telerik:GridViewCheckBoxColumn>
                            <telerik:GridViewComboBoxColumn Header="Value"
                                                            Width="250"
                                                            ItemsSourceBinding="{Binding ValidValues}"
                                                            DisplayMemberPath="Description"
                                                            IsComboBoxEditable="False"
                                                            DataMemberBinding="{Binding Key}"
                                                            SelectedValueMemberPath="Key" // I have to set that to Key because otherwise the Combobox is not showing anything when the respective row is not more on focus //
                                                            >
                            </telerik:GridViewComboBoxColumn>
                        </telerik:RadGridView.Columns>
                    </telerik:RadGridView>

I hope this is enough code to understand what my problem is and offer me some help if possible. Thank you!
Regards,
Achim

I've implemented a hierarchical GridView with RadGridView in WPF and bound it MVVM style to an ObservableCollection of some custom object A which expose a child property which again is another ObservableCollection of some other type B.  It binds correctly and for the most part behaves correctly (virtualization doesn't work) but it is including a varying amount of blank vertical space between the top level rows which seems to correlate to some degree with the number of rows in the child GridView.

Seems like the GridView is just not able to correctly measure and size the vertical space necessary to accommodate the rows.

I've tried setting a fixed height on the container element which is a grid, setting the rowheight, the visiblerowheight, disable vertical scrolling - nothing seems to make a difference.

Desperate for a solution. Getting ready to throw in the towel and write my own regular ol' hierarchical data grid.

Any ideas?

I have an application which is using RadMap to display Bing data which works very nice. The application also uses a map tool created by ThinkGeo to load and display shape files distributed by them called the World Map Kit. The ThinkGeo tool is fine, however the Telerik one is much better and nicer to work with. As such I attempted to load the shape files into the RadMap tool and was unable to because of the extreme slowdown of the application.

One shape file which appears to outline all land features took about a minute to load and then an additional minute or so after the ReadCompleted event to finally let the layer display. Another shape file is taking several minutes to load with no signs of stopping. Panning or zooming is also painfully slow.

ThinkGeo is able to load and display their map with about 30 or so seconds of total loading.

One key difference I can see is the largest shape file in the RadMap example is world_continents with a size of 185K. The largest ThinkGeo shape file is 384 MB with a DBF size of 285 MB. Can RadMap work with very large shape files?

Update: I went to check the version I was using which was 2010.3.1314.40. I upgraded to 2011.1.411.40 and now it fails loading any shape file with the error "Width and Height must be non-negative" and attempts to find the source for InformationLayer.ArrangeOverride line 695. In the 2010 version these shape files loaded, but were quite slow.

Is it possible to bind SelectedItems on the VisualizationLayer?

I have a RadGridView hosted with a RadPane.  The GridView uses a row style to highlight those rows where "IsSelected" is true however whenever any panes are added to the RadPaneGroup or the docking of any Pane (including the pane with the GridView) is changed, all of the "Selected" checkboxes are set to False and the formatting is lost.

Selecting another record from the master grid then selecting the original record resets the formatting.

The following defines the DocumentHost, RadPaneGroups and RadPanes;


The attached shows;

1. The initial display when a record is loaded.
2. The screen after docking to the right.
3. The screen after re-selecting the record.

The grid is bound to an ObservableCollection so I'm not sure why the "Selected" values would change.

Does anyone have any suggestions?

Hello,

I'm working on a framework that is supposed to provide improvements to WPF controls. This framework also provides features for Telerik controls.

I would like to make a behavior that bring an item of a TreeView into view when it is (programmatically) selected.
The problem is, on the layer I'm working on, I have no idea of the path of the object to bring into the view (Because I don't know the associated view model). Basically I have the following method to implement in the behavior:



All I know is that dataItem is an item of the treeview. It can be collapsed and have no associated TreeViewItem yet. As far as I understand, under this situation I have to use the BringPathIntoView.

It is not a problem if I have to iterate through the whole graph of items, but I have to find the path of the item that was passed to this method. I can get the value of the TextSearch.TextPathProperty attached to the tree view, which can help me to construct the path of each item.

But how can I iterate through the children of a given item, since the children collection is defined by the HierarchicalDataTemplate used by the TreeViewItem that might be unrealized?

Thanks

Hi,
i am sending the email to ask for help about the RadRichTextBox. Therefore, my problem is that when we add the page number in document, this is written in white on the document.  How to write in black? 
I would like to know if you have some advice related to my problem.
Best regards,

Hello

We need to update the source when property changed,

The source object update only when the cell edit ended.

Is there way to do this?

Best regards

Ehud

Is there a way to control the label connectors through binding or otherwise? It seems the datacontext for the connector is the same bound object as the chart and not the point. (RadCartesianChart) I'd like to selectively hide labels with a datatemplate but the connectors remain.

We have two RadTreeViews on a form. Tree1 contains a list of items (single level) that can be added to different groups in Tree2. Assume the following default tree items:

Tree 1 (these items are static and cannot change. If you drag and drop, it copies the item instead of moving)
------------
Item 1
Item 2
Item 3
etc...

Tree 2
------------
Group A
Group B
Group C

Say I drag 'Item 1' to add it to both 'Group A' and 'Group B'. So Tree 2 now looks like:

Group A
- Item 1
Group B
- Item 1
Group C

If I click to select 'Item 1' in 'Group B' it selects 'Item 1' in 'Group A'. It seems like when making a selection, it searches the tree from the top-down for the item that was clicked on and selects the first occurrence. So if I ever try to drag 'Item 1' from 'Group B' and move it to 'Group C', it will actually move 'Item 1' from 'Group A' to 'Group C'.

I apologize if that seems confusing, not sure if I can explain it any better though. It's a really strange behavior and I'm sure it is not intended; however, I may be doing something wrong as well. I created 'HierarchicalDataTemplate' and 'DataTemplate' to set how the data displays my view model. I am also using the 'new' DragDropManager as well. The version of components we are using is 2013.3.1316.45 (we decided to not renew the license so this is the latest version available to us).

Is there something I could be doing wrong? Is there a work around I could use?

Thanks for any help