exception when clear groupdescriptors?

[Ulrich Fiege]

hello i want to programaticly add and remove a 

groupDescriptor. When i add the groupDescriptor all is fine and the data is grouped but
when i use the clear method or removeat then i get a exception.
what is wrong? thanks ...

here is a sample code:

 

Private Sub grcars_Sorting(ByVal sender As Object, ByVal e As Telerik.Windows.Controls.GridViewSortingEventArgs) Handles grcars.Sorting

        If e.Column.Header.ToString = "Gruppe" Then
            e.Cancel = True
            If grcars.GroupDescriptors.Count = 0 Then
                Dim cf As New CountFunction(), groupDescriptor As New GroupDescriptor()
                cf.Caption = "Fahrzeuge: "
                With groupDescriptor
                    .Member = "groupDescription"
                    .SortDirection = ComponentModel.ListSortDirection.Ascending
                    .AggregateFunctions.Add(cf)
                End With
                grcars.GroupDescriptors.Add(groupDescriptor)
                Exit Sub
            Else
                grcars.GroupDescriptors.Clear() <----- ERROR !
            End If
        End If

    End Sub

 

 

 

 

[Vlad]

Hello,

Can you post more info about the exception? Stack-trace will be fine.

All the best,
Vlad
the Telerik team

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[Ulrich Fiege]

I can't make a copy to clipboard so i have made some screenshots from the alertbox.
It seems that this occurs only in IE but not in Firefox.

[Vlad]

Hi,

Can you post more info about the grid version?

Regards,
Vlad
the Telerik team

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[Ulrich Fiege]

we have the latest SP2 Q3 Version from RadGridView.

[Ulrich Fiege]

Are there any news to this issue?
greetings ...

[Pavel Pavlov]

Hi Ulrich ,

Unfortunately all attempts to reproduce the problem here failed. Can you please send us a small project that reproduces the error .  To be able to attach it you will need to open a support ticket.

Sincerely yours,
Pavel Pavlov
the Telerik team

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[Tony]

I'm experiencing the same issue.  Here is what is strange. This condition only happens when certain rows are selected in the grid prior to calling GroupDescriptors.Clear().  We've isolated the problem to rows containing data elements which contain cell's having multiple lines of text. IE: TextBlock with multiple lines containing line breaks. 

[Yordanka]

Hello Tony,

I tried to reproduce the problem using your scenario but unfortunately without success. Could you please send us a sample project where the problem can be seen? Thank you in advance!

Best wishes,
Yordanka
the Telerik team

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