There is an exception that randomly occurs when items are pasted into the Xceed DataGrid: Index was out of range. Must be non-negative and less than the size of the collection.   at System.ThrowHelper.ThrowArgumentOutOfRangeException()   at System.Collections.Generic.List`1.get_Item(Int32 index)   at ...

I'm trying to use the QuickFtp class to upload a number of files to a particular folder. If I use the Send(string, int, string, string, string, string[]) overload, the files are uploaded, but they are not uploaded to the specified folder. Instead, the component creates a directory structure within the specified folder which mirrors the entire ...

Hello,   I encountered some strange behaviour on the Xceed Gridcontrol for Windows Forms  (v3.9), trying to implement a databound master detail grid. I setup and loaded two datatables in a dataset with an additional Parent-Child-Relationship between these two tables added to the dataset. The relation has been tested, there is no ...

Hi, I wanted to set a MouseDoubleClick trigger on the rows of my DataGrid. As:              <Style TargetType=''{x:Type xcdg:DataRow}'' >                <EventSetter Event=''MouseDoubleClick'' ...

[update] Here's the entire Stack trace   Unable to cast object of type 'MS.Internal.ManagedObjectReference' to type 'Xceed.Silverlight.DataGrid.DataGridGroupConfigurationSelector'.   at Xceed.Silverlight.DataGrid.DataGridControl.get_GroupConfigurationSelector()   at ...

I am using Xceed Datagrid on a Silverlight Navigation Page and I get the below unhandled exception when I navigate into the page from 2nd time onwards. The very first time I navigate into this page everything works fine but throws the following exception 2nd time onwards. This keeps throwing the same exception everytime I navigate into this page. ...

Hi guys, I'm facing the following situation: I edit a cell of a row,by entering a wrong value (which will cause the e.CancelEdit to be set to false in the cell's ValidationError event handler, and an error message set in the cell's LeavingEdit handler). With the cell being in edit mode, I click on the ''minus'' sign to collapse the detail grid ...

Hello, My Master-Detail datagrid uses ObservableCollection as the DataSource. When I call the Clear() method on the collection, an unhandled exception is triggered in the grid. The log is below. Has anyone already observed a similar behavior? Thanks!  System.ArgumentNullException: Value cannot be null. Parameter name: ...

I've created a very simple example in VS.NET 2008, then I converted the project to VS.NET 2010 and ran it - it runs just fine. However, when I opened up the Window1.xaml in the designer I get the following: System.Reflection.TargetInvocationException Exception has been thrown by the target of an invocation. at ...

The best way to solve the problem would be to used a try-catch exception handling statement, since an unhandled exception will always give unwanted results.  Assuming you are programming in C#, In the try {...} you would put the corresponding segment of code and in the   catch {..} section, you would tell your user that it's not ...