[Solved] RadGridView Theming not working properly

[Débora Setton]

Hello,

I have been using the RadGridView and I came accross a very odd behaviour:

I have a RadGridView inside a Silverlight page. This grid is themed with the "Vista" theme, and has 13 columns, thus requiring a horizontal scroll viewer.

When the page is initially loaded, everything is fine. But when I scroll the grid to the right, to reach the last column, these last columns are not themed at all! They have the appearence of a RadGridView when you don't set any theme.

Not only that, but when I scroll back to the first columns, the ones that were hidden while I was looking at the other end of the grid have lost their theming! 

Basically, the only columns getting the theme (or keeping it) are the ones that are never hidden on either side of the grid.

Is this a known behaviour? Am I doing anything wrong?

The following code is my grid:

<!-- Grid -->
         <Border Height="250" Grid.Row="2" Style="{StaticResource GridBorderStyle}" VerticalAlignment="Top" Grid.ColumnSpan="2">
            <ScrollViewer VerticalScrollBarVisibility="Auto" Style="{StaticResource MenuLateralScrollViewerStyle}" controlsToolkit:ScrollViewerExtensions.IsMouseWheelScrollingEnabled="True">
                <Grid>
                    <grid:RadGridView x:Name="DadosPostoFluviometricoDataGrid" IsReadOnly="True" ShowGroupPanel="False" AutoGenerateColumns="False" telerik:StyleManager.Theme="Vista">
                        <grid:RadGridView.Columns>
                            <grid:GridViewDataColumn
                            Header="Ano"
                            DataMemberBinding="{Binding Ano, Mode=TwoWay}"/>
                            <grid:GridViewDataColumn Header="Jan (m³/s)"/>
                            <grid:GridViewDataColumn Header="Fev (m³/s)"/>
                            <grid:GridViewDataColumn Header="Mar (m³/s)"/>
                            <grid:GridViewDataColumn Header="Abr (m³/s)"/>
                            <grid:GridViewDataColumn Header="Mai (m³/s)"/>
                            <grid:GridViewDataColumn Header="Jun (m³/s)"/>
                            <grid:GridViewDataColumn Header="Jul (m³/s)"/>
                            <grid:GridViewDataColumn Header="Ago (m³/s)"/>
                            <grid:GridViewDataColumn Header="Set (m³/s)"/>
                            <grid:GridViewDataColumn Header="Out (m³/s)"/>
                            <grid:GridViewDataColumn Header="Nov (m³/s)"/>
                            <grid:GridViewDataColumn Header="Dez (m³/s)"/>
                        </grid:RadGridView.Columns>
                    </grid:RadGridView>
                </Grid>
            </ScrollViewer>
        </Border>

I have also attached a picture that shows what I described above.

Thank you in advance.

[Stefan Dobrev]

Hello Débora,

This problem is due to the horizontal virtualization we have recently implemented. The good news is that this has already been addressed in one of our latest internal builds. Can you please download the latest one and verify that this issue has been fixed?


Kind regards,
Stefan Dobrev
the Telerik team

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[Débora Setton]

Hello,

I'm sorry if it took me a long time to answer. I've downloaded the latest build and that fixed the problem.

Thank you.