[Solved] Column Sorting Removed

[Chris]

Hi,

I'm having a problem with my column sorting being reset when I first bind the GridView to a data source. I am setting the sort for a column in XAML and the ItemsSource is being set programmatically. The data source is an Entity collection generated from RIA Services. The objects being passed from the server side are POCO objects created by me. Does an Entity collection retain some kind of information about sorting? So when the GridView is bound and the data comes back, the collection has no sorting associated with it? I would provide a sample but it would be difficult with my current code. I will make one if needed though.

Thanks,

Chris

[Vlad]

Hello Chris,

I've just tried this using DomainDataSource however the grid SortDescriptor declared in XAML worked fine. Here is an example:

<UserControl x:Class="SilverlightApplication2.Page"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:riaData="clr-namespace:System.Windows.Data;assembly=System.Windows.Ria.Controls"
    xmlns:riaControls="clr-namespace:System.Windows.Controls;assembly=System.Windows.Ria.Controls"
    xmlns:data="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data"
    xmlns:telerik="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.GridView"
    xmlns:telerikData="clr-namespace:Telerik.Windows.Data;assembly=Telerik.Windows.Data"
    xmlns:web="clr-namespace:SilverlightApplication2.Web">
    <Grid x:Name="LayoutRoot" Background="White">
        <Grid.RowDefinitions>
            <RowDefinition />
            <RowDefinition Height="30" />
        </Grid.RowDefinitions>
        <riaControls:DomainDataSource x:Name="DomainDataSource1" AutoLoad="True" QueryName="GetTable1">
            <riaControls:DomainDataSource.DomainContext>
                <web:DomainService1 />
            </riaControls:DomainDataSource.DomainContext>
        </riaControls:DomainDataSource>
        <telerik:RadGridView x:Name="RadGridView1" ItemsSource="{Binding Data, ElementName=DomainDataSource1}">
            <telerik:RadGridView.SortDescriptors>
                <telerikData:SortDescriptor Member="Name" SortDirection="Descending" />
            </telerik:RadGridView.SortDescriptors>
        </telerik:RadGridView>
        <data:DataPager x:Name="DataPager1" Grid.Row="1" PageSize="10" Source="{Binding Data, ElementName=DomainDataSource1}" />
    </Grid>
</UserControl>

If you can send us small example demonstrating your scenario we will gladly help you.

You can find small application attached.

Regards,
Vlad
the Telerik team

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