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1 answer
56 views
Hi all,

We are looking for 3rd party WPF controls for a new WPF project with the MVVM design pattern. We would like to use your grid, it should be easy to copy/cut/past rows and to recalculate fields because its a calculation program. Is this possilble with that control and why should we use yours and not DevExpress for instance?

Thank you for your answer.
Vlad
Telerik team
 answered on 25 Mar 2011
1 answer
196 views
Can you tell me if there is a way to hide the minimize/maximize Icon?  Basically I am just going to using this control to surround basic forms because it has nice looking header that matches the rest of my application.  If there is a better way to do this let me know, I am pretty new to WPF so maybe I am going down the wrong road here.  Thanks!
Zarko
Telerik team
 answered on 25 Mar 2011
7 answers
426 views
Hi Telerik,

It seems to me the RadDataGrid is not updating it self when applying a filter to its datasource of type ObservableCollection<T>:

I've tried the same code - just using the standard ListBox - and that works as expected.
The filter is applied and the listbox is updated to only show the items that apply to the filter - but that doesn't work for the RadDataGrid:

Here's a little code example:

//_availableOnBoardSalesProducts is of the type ObservableCollection<Products>  
gridFood.ItemsSource = _availableOnBoardSalesProducts;  
myListBox.ItemsSource = _availableOnBoardSalesProducts;  
 
//Add an item to the ObservableCollection works fine in the RadDataGrid  
        private void Button_Click(object sender, RoutedEventArgs e)  
        {  
            _availableOnBoardSalesProducts.Add(new OnboardSalesService.Products() { Price = 10m, Description = "MyDesc", Category = "MyCat" });  
        }  
 
//But applying a filter only works fine for the standard ListBox - not for the RadDataGrid  
        private void Button_Click_1(object sender, RoutedEventArgs e)  
        {  
            ICollectionView view = CollectionViewSource.GetDefaultView(gridFood.ItemsSource);  
            if (view.Filter == null)  
            {  
                view.Filter = delegate(object item)  
                {  
                    bool result = ((OnboardSalesService.Products)item).Price == 10m;  
                    return result;  
                };  
            }  
            else 
            {  
                view.Filter = null;  
            }  
 
        } 

Thats a bug right?

I've also noticed that you have an Telerik.Windows.Controls.Core.RadObservableCollection<T> available.
Whats that for?
Rossen Hristov
Telerik team
 answered on 25 Mar 2011
1 answer
78 views
Hello,

I have 8small different radial gauges on the same screen of my application. Now I when someone clicks on one of them I want that gauge to be vieuwed in an enlarged version on the side, but still have the origonal visable.

What would be the best way to accomplish this, because there is no copy function.

With Kind regards,
Kevin
Andrey
Telerik team
 answered on 25 Mar 2011
3 answers
100 views
Hi,
I am new to telerik charting. I have a list of nodes having x and y values between -1.5 -1.5 on both x and y axis
 Can you please send me any sample, how can i map my points and set x and y axis values. Thanks
Yavor
Telerik team
 answered on 25 Mar 2011
2 answers
291 views
Hi Guys,

In the RadGridView, I have set the RowVisibilityIndicator="Collapsed". But there's a tiny gap on the left side of the gridview. How can I remove this gap? I also have the same issue with RadTreeListView. Is the approach going to be the same?

Thanks.

Marianne
Marianne
Top achievements
Rank 1
 answered on 25 Mar 2011
5 answers
270 views
Hello, 

In my application, I have a RadGridView that contains columns that have been added via XAML as well as columns that are added dynamically in code.  The problem I am seeing is that the columns added via code cannot be sorted or grouped, while there is no problem with the columns created in XAML.  I have confirmed that the dynamically added columns have the IsSortable and IsGroupable properties set to true.  Should this be all I need?

One important difference is that the programmatically added columns contain more complex property names than do the columns added in XAML.  This results in the EffectiveSortMemberPath being set to something like "Experiments[0].WarpsPerBlock" (from the binding) on each of the dynamic columns.  Could the "deep" property string cause sorting to fail?

Any help will be greatly appreciated!

Thanks,
Mark


Yavor Georgiev
Telerik team
 answered on 24 Mar 2011
1 answer
174 views
I am evaluating the option of using the DateTimePicker instead of another DateTime control. It has been a great fit for us, except for one thing.

In our system, when specifying bounds, we use an end date of 1/1/9000 to indicate that something is open-ended. 

The problem is that even though I have the SelectableDateEnd and DisplayDateEnd properties set to 1/1/9000, when you open the picker, the max date is 1/1/3000.

Is there any way to alter this behavior?
Konstantina
Telerik team
 answered on 24 Mar 2011
2 answers
175 views
Creating a RadPane by code an make it floating dockable, i can't set the floating pane size.

Y try with MinHeight.... Height....

Example
oRadPane.MinHeight = 600;
oRadPane.MinWidth = 600;
oRadPane.MakeFloatingDockable();

Always have the same default size.

Any solution?
Fernando
Top achievements
Rank 1
 answered on 24 Mar 2011
3 answers
214 views
This really is beyond the pale:

I have a collection of specialised appointments, i.e. objects that inherit from Appointment.  They are shown in a Listbox and can be dragged onto a ScheduleView.

The additional fields in my inherited object are already set with their pertinent information.  However, dragging onto the ScheduleView this information is lost.

CopyFrom in the specialised object is called many times, sometimes with the correct original information, sometimes with blank information.  Always the last time is with the blank information, which is clearly wrong.

How can I make ScheduleView only copy the original source Appointment ONCE and ONCE ONLY?

2010 Q3.
Gareth McNicol
Top achievements
Rank 1
 answered on 24 Mar 2011
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