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can not ria data control parameter, please help

    Question

  • <navigation:Page x:Class="BusinessApplication1.Views.EmployeeListing" 
               xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
               xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
               xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
               xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
               mc:Ignorable="d"
               xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
               xmlns:datagrid="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data"
               xmlns:riacontrols="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.DomainServices"
               xmlns:ds="clr-namespace:BusinessApplication1.Web.Services"
               xmlns:riadata="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.DomainServices"
               d:DesignWidth="640" d:DesignHeight="480"
               Title="EmployeeListing">
          <Grid x:Name="LayoutRoot">
            <ScrollViewer BorderThickness="0"  VerticalScrollBarVisibility="Auto" Padding="12,0,12,0" Margin="-12">
                <StackPanel Margin="0,12,0,12" Orientation="Vertical" >
                    <riacontrols:DomainDataSource x:Name="MyData" LoadSize="20" QueryName="GetEmployees" AutoLoad="True">
                        <riacontrols:DomainDataSource.DomainContext>                   
                            <ds:AdvDomainContext />
                        </riacontrols:DomainDataSource.DomainContext>
                        <riadata:DomainDataSource.FilterDescriptors>
                            <riadata:FilterDescriptorCollection>
                                <riadata:FilterDescriptor PropertyPath="VacationHours" Operator="IsGreaterThanOrEqualTo">
                                    <riacontrols:ControlParameter 
                                </riadata:FilterDescriptor>
                            </riadata:FilterDescriptorCollection>
                        </riadata:DomainDataSource.FilterDescriptors>
                    </riacontrols:DomainDataSource>
                    <TextBlock Text="Employee List" Style="{StaticResource HeaderTextStyle}"/>
                    <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Margin="0,-16,0,0">
                     <TextBlock VerticalAlignment="Center" Text=" Min Vacation Hours Filter"/>
                        <TextBox x:Name="VacationHoursFilter" Width="75" FontSize="11"  Margin="4" />
                    </StackPanel>
                    <datagrid:DataGrid x:Name="EmployeeGrid" MinHeight="100" IsReadOnly="True" ItemsSource="{Binding ElementName=MyData,Path=Data}"/>
                </StackPanel>
            </ScrollViewer>
        </Grid>
    </navigation:Page>
    Friday, March 30, 2012 1:36 PM

Answers