Cound not undserstand where following exception is occurring. kindly assist if possible. Thanks

Exception Detail:

Message:Exception has been thrown by the target of an invocation.

StackTrace:   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)
   at System.Delegate.DynamicInvokeImpl(Object[] args)
   at System.Delegate.DynamicInvoke(Object[] args)
   at SearchScreenxaml_6.BindingOperation(Object BindingState, Int32 , Action )

 

 

Inner Exception Detail:

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

StatckTrace:   at Telerik.Windows.Controls.BooleanToVisibilityConverter.Convert(Object value, Type targetType, Object parameter, CultureInfo culture)
   at System.Windows.Data.BindingExpression.ConvertToTarget(Object value)
   at System.Windows.Data.BindingExpression.UpdateTemporaryValue()
   at System.Windows.Data.BindingExpression.GetValue(DependencyObject d, DependencyProperty dp)
   at System.Windows.DependencyObject.EvaluateExpression(DependencyProperty property, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry)
   at System.Windows.DependencyObject.EvaluateBaseValue(DependencyProperty property, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, ValueOperation operation)
   at System.Windows.DependencyObject.EvaluateEffectiveValue(DependencyProperty property, EffectiveValueEntry oldEntry, EffectiveValueEntry newEntry, ValueOperation operation)
   at System.Windows.DependencyObject.UpdateEffectiveValue(DependencyProperty property, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, ValueOperation operation)

When user right click on a radmenuitem (silverlight), a context menu is displayed , including hide/Autohide/Dock ... . My Q:User do hide for a tab and the tab is hidden. Then user want to unhide the hidden tab but he/she dont know how to unhide the hidden tab !. Waht is the solution?

Hello,

I have the following problem with the Schedule View.

When I display a resource multiple times in a calendar, the appointments are only displayed in one slot. The problem can also be seen in the Telerik WPF ScheduleView demo "filter sub-group headers". Sven Ottlieb is in Level Basic, Advanced and Expert, but the dates are only displayed in Level Expert. Is there a solution?

Thank you very much.
Best regards,
Helmut

When I try to print from the demo I have blank pages when using internet explorer 11 last version, same when the application is installed in Out Of Browser Mode.

Curiously printing is okay with FireFox 52.9 esr.

Tried many printers and even Microsoft PDF Printer.

OS Windows 10 x64 v1803

1) In the RADScheduleView, in the month view, if there are more appointments than will fit in a row, a down arrow appears.  If you click the down arrow, then the row will expand and display all the events.

2) I had some users complain that they would prefer to have the row expand automatically so that they can see all the events by default, rather than having to click on the down arrow.

The issue being that if there were an important event on a given month, they could miss it because they didn't realize they had to click the down arrow.

3) Is there a way to make the month view row expanded by default/automatically?

4) Also, is there a way to make the down arrow more intuitive, like have it say "More Events V" (V representing a down arrow image).
 
This question has come up repeatedly in multiple meetings from different people when presented with the software.   They asked if there is a way to see all the events by default rather than having to click the down arrow.  

Hello,

We have an old legacy Silverlight app we've been asked to try and add functionality.  Our Silverlight is a typical line of business app that has a sql backend and we use WCF services to interface with SQL.  We've been asked to come up with a way to display pdf files.  On our internal server, we have the pdf's stored and we can return them via a stream via WCF.  We can't just redirect users to an html page because of security reason.

The overview is we have sales orders in a grid, we'll need to create a grid column that contains a ticket number.  The user will click on that if they want to see the ticket in pdf format.  The click will need to initiate a call to a service endpoint what will lookup the pdf file by ticket number and return it as a stream.  We need to then take that stream and display it in a now window.  I was thinking about a taking the stream, and opening up a Rad Window to display the PDF Viewer.  The controls we have from back then don't contain the PDF viewer.

Is this doable, are there any samples I can use to show this is viable to put in a req for the new control?  Thanks

Hi

I am using the Terleik silverlight 4 Controls Version 2012.2 725 (Jul 25, 2012),  previously i have used "RadControls_for_Silverlight4_2012_2_0725_TRIAL_hotfix" dlls for silverlight 4 , it was working properly. Currently am using the dlls from "RadControls_for_Silverlight4_2012_2_0725_DEV_hotfix" (purchased). Am getting the below error for all the controls, can you tell me what i am missing?

The type or namespace name 'RadComboBox' could not be found (are you missing a using directive or an assembly reference?)

its giving error in "MainPage.g.i.cs"  and by doing resolve it is fixed temporarily. but while building same error am getting. Please help me to resolve this.

According to the documentation

"There are several ways to commit the new data and both of them will raise the RowEditEnded event. The first one occurs when the user presses Enter, the second when the CommitEdit() method is called and the last when another row is selected. The adding operation can also be cancelled by pressing Escape or calling the CancelEdit() method. In this case the RowEditEnded event will be raised again."

Unforutnately, the RowEditEnded is not raised when a user pressed the escape key..


My grid is bound to a RIA DomainService

this happens with Q3 (latest available release, as of speaking)

is this a bug?

I have a grid in which one of the columns displays a duration of minutes.  I have a footer on this grid which displays the total number of minutes.  Instead of just displaying the total number of minutes, I would really like to show it in hours and minutes - for example "10 hrs 5 mins" instead of "605 Minutes".  I don't want to display this special formatting in the grid because generally the miinutes for individual rows are under an hour.

I can create an IValueConverter class to turn minutes into hours and minutes, but I don't see how to hook it up to the SumFunction for the grid footer.

Is there a way to get this custom formatting in the grid footer?  Thanks.

I want to give the user the option to use Gliding connectors, i have enabled them by giving my shapes the property 
<Setter Property="UseGlidingConnector" Value="{Binding GlidingEnabled , Mode=TwoWay}"/>

and then letting the user change the GlidingEnabled value from the UI, and that works fine.

But then as soon as one shape is moved the connector is reset (note that i am also using the classic connector style (Bottom,Top,Left,Right,Auto) by default. Maybe there is a conflict? Also im using the AStarRouter for routing the connections)

Is there something i can do to lock the gliding connector position when it is created ? Or is that against its logic?