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          How to run data-intensive operations on in-memory data in a separate thread in Instant Feedback UI mode

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          In this demo, the DevExpress Grid Control for Silverlight operates in Instant Feedback data binding mode on in-memory data. All operations on data (e.g. sorting, groping, filtering, summary calculation, etc.) are performed asynchronously in a separate thread without UI freezing.

          See also:
          WPF Data Grid Control – PLINQ Data Support
          Binding to In-Memory Data Using PLINQ

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          Select file
          • MainPage.xaml
          • ViewModel.cs
          Select language
          • C#
          • VB.NET
          Select version
          • v2011 vol 1.7 - v2012 vol 1.2
          <UserControl x:Class="LinqToObjectsDataSource.MainPage"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:dx="http://schemas.devexpress.com/winfx/2008/xaml/core"
             xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors"
             xmlns:dxg="http://schemas.devexpress.com/winfx/2008/xaml/grid"
             xmlns:local="clr-namespace:LinqToObjectsDataSource"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             mc:Ignorable="d"
             d:DesignHeight="800" d:DesignWidth="1000">
    <UserControl.DataContext>
        <local:LinqToObjectsViewModel />
    </UserControl.DataContext>
    <Grid>
        <dx:LinqToObjectsInstantFeedbackDataSource Name="linqInstantDataSource" ListSource="{Binding Path=ListSource}" />
        <dxg:GridControl Name="grid" ItemsSource="{Binding ElementName=linqInstantDataSource, Path=Data}">
            <dxg:GridControl.Columns>
                <dxg:GridColumn x:Name="colOrderId" FieldName="OrderId" Header="ID" Width="60" MinWidth="60" AllowGrouping="False" />
                <dxg:GridColumn x:Name="colCustomerName" FieldName="CustomerName" Width="200" />
                <dxg:GridColumn x:Name="colOrderDate" FieldName="OrderDate" Width="100" AllowColumnFiltering="False">
                    <dxg:GridColumn.EditSettings>
                        <dxe:DateEditSettings DisplayFormat="d" />
                    </dxg:GridColumn.EditSettings>
                </dxg:GridColumn>
                <dxg:GridColumn x:Name="colProductName" FieldName="ProductName" Width="200" />
                <dxg:GridColumn x:Name="colPrice" FieldName="Price" Width="60" />
                <dxg:GridColumn x:Name="colQuantity" FieldName="Quantity" Width="60" />
            </dxg:GridControl.Columns>
            <dxg:GridControl.View>
                <dxg:TableView AutoWidth="True" ShowTotalSummary="True" RowAnimationKind="None" />
            </dxg:GridControl.View>
        </dxg:GridControl>
    </Grid>
</UserControl>