Questions on UI for WPF Forum

2 answers

178 views

Binding DataTable to the GridView problem

Hi, Telerik!

I have got a problem, and wish your help, thank you!

I try to binding a DataTable with some columns to a radGridview control (2009 Q3), but while the DataTable is empty, the radGridView control shows no column, the column header is not visible.

I want to show the colunm header always, is there any way to do this?

Thank you!

GridView

answered on 12 Mar 2010

1 answer

99 views

Visual studio 2010 performance

Hello,

Using vs2010 RC and Radcontrols 2010 q1 for wpf in a new project.
Having serious problems with the load performance of the radcontrols.

When using a radgrid, radribbon and raddock on a new window.
(no data loaded in the gridview)

The window.show () takes way to long. The window is first showing without any controls. And after a view seconds the controls become visible.

System specs of dev system are good and cannot be the problem

I’m new to wpf (only winform experience) so maybe I forget something?

Tried running in .net 3.5 and 4.0 but found no difference.

Anybody experiencing the same problem?

Kind Regards,

Tim van Rooijen

General Discussions

answered on 11 Mar 2010

7 answers

466 views

rotate series label

Hi,

Is it possible to rotate a series label 90 degrees?

Kevin.

Chart

answered on 11 Mar 2010

5 answers

181 views

Show Transparent Dragged Item

Hi,
I am working with multiple items drag and drop. My problem is that when i dragged multiple items(say 5-6) and move the mouse over the destinaltion i am unable to see the destination because the dragged items are not transparent and it is diffcult to know the exact position of the drop.
Could you please suggest me the solution or some work around.

Thanks
Balaram

DragAndDrop

answered on 11 Mar 2010

2 answers

54 views

Search as Type Example - breaks if you include a bool field

Hi..
I have a grid that uses the exact code as the 'Grid View' Search as type example. If I add a Boolean column the search / filter no longer works.

GridView

answered on 11 Mar 2010

1 answer

79 views

Combination of grid examples fails...

I am having an error when I combine the WPF demonstration examples labeled "Context Menu for header cells" and "Save and Load grid settings". The context menu in the header cells does not appear after you have saved the grid settings and come back to the grid.

Anyone know of an example that combines the above, two examples, successfully?

Thank you.

GridView

answered on 11 Mar 2010

1 answer

70 views

Expression Columns in RadGridView (cross posted from Beta forums)

Hi,
DevEx has a nice feature called Expression columns for their grid with expression editor. One can use the expression editor to create an expression for a column run time.
Is there anything like that available for RadGridView either in Beta or in the current release version?
thanks
Nick

GridView

answered on 11 Mar 2010

2 answers

130 views

RadGridView crashes on Return/Enter

Hi,

when hitting return/enter after editing the DateTimePicker's value (its actually enough when it gets keyboard-focus) a System.NullReferenceException is thrown.
repro-code:

    
            namespace RadGridViewFocusBug 
        
            { 
        
                /// <summary> 
        
                /// Interaction logic for Window1.xaml 
        
                /// </summary> 
        
                public partial class Window1 : Window 
        
                { 
        
                    public Window1() 
        
                    { 
        
                        InitializeComponent(); 
        
                        ObservableCollection<BusinessObject> col = new ObservableCollection<BusinessObject>(); 
        
                        col.Add(new BusinessObject() { Arrival = DateTime.Now }); 
        
                        col.Add(new BusinessObject() { Arrival = DateTime.Now }); 
        
                        col.Add(new BusinessObject() { Arrival = DateTime.Now }); 
        
                        this.DataContext = col; 
        
                    } 
        
                } 
        
                public class BusinessObject 
        
                { 
        
                    public DateTime Arrival { get; set; } 
        
                } 
        
            }

    
            <Window x:Class="RadGridViewFocusBug.Window1" 
        
                xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
        
                xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
        
                xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation" 
        
                Title="Window1" Height="300" Width="300"> 
        
                <Grid> 
        
                    <telerik:RadGridView ItemsSource="{Binding}" AutoGenerateColumns="False"> 
        
                        <telerik:RadGridView.Columns> 
        
                            <telerik:GridViewDataColumn Header="Arrival" > 
        
                                <telerik:GridViewColumn.CellTemplate> 
        
                                    <DataTemplate> 
        
                                        <telerik:DateTimePicker SelectedDateTime="{Binding Path=Arrival, Mode=TwoWay}"/> 
        
                                    </DataTemplate> 
        
                                </telerik:GridViewColumn.CellTemplate> 
        
                            </telerik:GridViewDataColumn> 
        
                        </telerik:RadGridView.Columns> 
        
                    </telerik:RadGridView> 
        
                </Grid> 
        
            </Window>

Best Regards
Steffen

General Discussions

answered on 11 Mar 2010

1 answer

132 views

Drag from ListBox to TreeView

I've just purchased the WPF components and am very impressed with the level of functionality having previously built a project using the straight Microsoft Components . One of the important requirements for our next project is the ability to drag and drop items from a ListBox to a Treeview. Each of these components are located in separate UserControls. I have been successful in drag and dropping within the same Treeview and from the Listbox to the GridView but cannot seem to get the ListBox to Treeview working. I am sure I am missing something basic or are there any limitations in dragging from a Listbox in one UserControl to a Treeview in another .Hope you can help

DragAndDrop