Hello,

I have a Grid that displays a start and end time for each day of the week.  The column headers must include the Date and DayOfWeek formatted basically like this: ...ToString("ddd M/d")

I'm not sure how I go about setting the Binding property.  Here's what I have just using hard coded values but really, I need these to be bound to the view model (and not StaticResource either because if the user chooses a different week, then those values must update).


See the pattern?  How do I go about making the date part of the Text in the TextBlock bound to something?  I was thinking I'd just have a property hanging off the ViewModel - one for each day and each Start/End column called MondayStartHeader, MondayEndHeader, etc. That won't work though because the grid is bound to a collection of objects on the ViewModel.

Thanks.

If you look at the attached image of the pivot grid you see a 2 line heading. On the 1st line of the heading I want to center the heading in the 1st line over the corresponding cells of the 2nd line (i.e. centered over 2 Columns as I have shown in the column heading "Sum Of fcOpnClr") - is this possible? and if so I do I do it. - Thanks

Hi,

I am using MVVM for RadDiagram control. I want to customize the connectors of the shapes, so that I can manage where the links are attached to. For shapes I use a ViewModel class which is derived from NodeViewModelBase and for links I use LinkViewModelBase<NodeViewModelBase>. How or on which layer should I manage the custom connectors? And how or where should I define them?

Thanks in advance,

Semih

I have a GridView bound to a DataTable. The DataTable contains columns with 'integer' names. e.g. "2000", "2014" etc.

When I try to edit a cell in the GridView, I'm shown an error: Cannot find column 2000.

I suspect this is because the column name is parsing to an int somewhere internally. When I change to column name to something like "x2000" then it works fine.

Are there any workarounds for this?

Hi,

I have the following scenario:
Via RadScheduleView I want to generate "Backup Schedules" (just an example).
I want to say "Every day at 10 schedule a backup".

When the backup runs I want to mark the specific schedule with backup status information.

So the idea is to add a recurring appointment to my database.
A service will check if an appointment "is ready" - if so it will call a method passing the appointment.
The method calls the backup and change the appointment according to the outcome of the process.

Since the recurring appointment is a "single record" with a recurrence rule I would:
a.) Change the "Start" of the recurring task to a time AFTER the current occurrence
b.) Create a "normal" appointment (no recurrence) for the just run job and set the status flag on this appointment

This has one "extra positive result" - if I change the schedule (let's say from 10 to 9:30) the already run appointments keep their correct "operation time", while future jobs will run at 9:30.

The negative side - I'm no longer able to find associated (past) schedules via the recurring record.

Any ideas - suggestions?

Manfred

Hi! I'm testing your WPF controls and I'm trying to make a tree hiearchy with drag and drop. The thing is I want to disable dragging all over the place. First feature I'd need is to check for leaf to leaf collision. If I'm collinding with another leaf when dragging, i want to switch their places. The other feature i'm interested in is leaf to connection coliision. I want to do it so that if i drag a leaf and collide with a connection, if i drop it it connects to that connection, severs the connection to the old leaf and reconnects it on it's tail. What would be the best way to detect such collision in your wpf controls? Any ideas? (or maybe is there something like this already implemented? I read the docs but I might have missed something.)

I've got a problem where I've got a menu that appears over part of a pie chart. When a menu item is clicked such that the mouse pointer is over a pie slice, an exception gets thrown (Exception info at the end) when the menu closes. I thought I'd just override PieSeries and catch that exception in the derived class. So, that's what I did. I created a simple derived class and overrode OnMouseLeave. That's the only thing in the derived class. Unfortunately, when using that new pie series class, none of the pie slices get drawn. Snoop tells me that the datapoints are all created and in the chart, the RadLegend is showing all the correct info. Just no slices. Do you have any suggestions?  Are there more requirements to deriving from PieSeries?

Thanks - Mitch

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

Operating System:
Microsoft Windows NT 6.2.9200.0

Type:
System.NullReferenceException

Data:

Key:
System.Object
Value:


HResult:
-2147467261

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

Source:
Telerik.Windows.Controls.Chart

StackTrace:
at Telerik.Windows.Controls.ChartView.PieSeries.OnMouseLeave(MouseEventArgs e) in c:\TB\105\WPF_Scrum\Release_WPF\Sources\Development\Controls\Chart\Visualization\PieChart\PieSeries.Legend.cs:line 165
at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
at System.Windows.MouseOverProperty.FireNotifications(UIElement uie, ContentElement ce, UIElement3D uie3D, Boolean oldValue)
at System.Windows.ReverseInheritProperty.FirePropertyChangeInAncestry(DependencyObject element, Boolean oldValue, DeferredElementTreeState treeState, Action`2 originChangedAction)
at System.Windows.ReverseInheritProperty.FirePropertyChangeInAncestry(DependencyObject element, Boolean oldValue, DeferredElementTreeState treeState, Action`2 originChangedAction)
at System.Windows.ReverseInheritProperty.FirePropertyChangeInAncestry(DependencyObject element, Boolean oldValue, DeferredElementTreeState treeState, Action`2 originChangedAction)
at System.Windows.ReverseInheritProperty.OnOriginValueChanged(DependencyObject oldOrigin, DependencyObject newOrigin, IList`1 otherOrigins, DeferredElementTreeState& oldTreeState, Action`2 originChangedAction)
at System.Windows.ReverseInheritProperty.OnOriginValueChanged(DependencyObject oldOrigin, DependencyObject newOrigin, DeferredElementTreeState& oldTreeState)
at System.Windows.Input.MouseDevice.ChangeMouseOver(IInputElement mouseOver, Int32 timestamp)
at System.Windows.Input.MouseDevice.PreNotifyInput(Object sender, NotifyInputEventArgs e)
at System.Windows.Input.InputManager.ProcessStagingArea()
at System.Windows.Input.MouseDevice.Synchronize()
at System.Windows.Input.MouseDevice.PostProcessInput(Object sender, ProcessInputEventArgs e)
at System.Windows.Input.InputManager.RaiseProcessInputEventHandlers(ProcessInputEventHandler postProcessInput, ProcessInputEventArgs processInputEventArgs)
at System.Windows.Input.InputManager.ProcessStagingArea()
at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at MS.Internal.Threading.Exc

I have a hard time finding a sollution to delete paragraph from open document. Code below crashes on aither delSection.Blocks.Remove(delParagraph); or later on radRichTextBox.UpdateEditorLayout(); after remove vas called. The error is: "inline does not belong to this document.". This seems to happen randomly. Sometimes everything passes without an error. I cant fine a way to get this working on regular basis.


Also tried a different approach found on this forum, that was suggested by admin. It was that I use selection to select paragraph to remove and the call 
radRichTextBox.Delete(false); witch deletes selected content. But the problem is that I have to remove a ReadOnlyRange. So this approach does not fit.

Hi all,

I am trying to achieve the attached. I have a list of records (filenames) which I want to show in a list. 
Anybody has any idea as to which control to use.

Regards,
Deepak

We are binding the grid to a collection of items that use data annotation to drive the column headers.  Is there a way to automatically bind the tooltip to a particular attribute (or any attribute for that matter)?

Here is our grid:


This is a sample property:

Ideally we'd like something similar to (where Description appears as the tooltip for the column):

Hopefully there is a solution
Thanks

John