Error undocking Grid container in raddock

[steve white]

I'm having an issue when I try to undock the grids container from the rad dock, if I add a group to the grid by dragging a column header first its fine and then it will break if I work in another panel then go back to the one with the grid and try to undock.

It appears to be losing reference to the records or something, I get these errors

There is no source code available for the current location then I have this error description
This row has been removed from a table and does not have any data.  BeginEdit() will allow creation of new data in this row.

I'm guessing I need to change the way I binding up my data, but I'm unsure what I should change. It all works fine as long as I dont try to undock the grids pane.

thanks for any help you can provide.

steve

<Window x:Class="Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Window1" Height="300" Width="300"
        xmlns:radDock="http://schemas.telerik.com/2008/xaml/presentation"
        xmlns:Local ="clr-namespace:controls"
        xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation">
    <Grid>
        <radDock:RadDocking x:Name="radDocking1"  HasDocumentHost="False">


                <radDock:RadSplitContainer radDock:DockingPanel.InitialSize="150,150" MaxWidth="600"
                    Name="LeftContainer" InitialPosition="DockedLeft"   >

                <radDock:RadPaneGroup x:Name="Group1">

                    <radDock:RadPane x:Name="Pane2" Header="Sales Grid">

                        <telerik:RadGridView  Name="RadGridView1"  ItemsSource="{Binding Sales}">

                        </telerik:RadGridView>

                    </radDock:RadPane>
                </radDock:RadPaneGroup>
            </radDock:RadSplitContainer>

            <radDock:RadSplitContainer radDock:DockingPanel.InitialSize="200,200" MaxWidth="679"
                    x:Name="RightContainer" InitialPosition="DockedRight" >
                <radDock:RadPaneGroup x:Name="Group2">

                    <radDock:RadPane x:Name="Pane4" Header="Properties">

                    </radDock:RadPane>
                </radDock:RadPaneGroup>
            </radDock:RadSplitContainer>


        </radDock:RadDocking>

    </Grid>
</Window>

Imports System.Data

Class Window1

    Private Shared tacust As New DataSet1TableAdapters.SalesSummaryTableAdapter
    Private Shared dscust As New DataSet1
    Private Shared m_sales As DataTable
    Public Shared ReadOnly Property Sales() As DataTable
        Get
            Return m_sales
        End Get
    End Property

    Private Sub RadGridView1_Loaded(ByVal sender As Object, ByVal e As System.Windows.RoutedEventArgs) Handles RadGridView1.Loaded
        tacust.Fill(dscust.SalesSummary)
        m_sales = dscust.Tables("SalesSummary")

        RadGridView1.ItemsSource = m_sales
    End Sub
End Class

[steve white]

I think I found the answer to my problem. I changed the gridview_load procedure to initialize, it was apparently trying to run it every-time I undocked which was producing errors.

steve