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POSilverlight- DataGrid control - Selection Changed event interfering with sorting
 

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  1. POSilverlight- DataGrid control - Selection Changed event interfering with sorting
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    <p>I'm currently playing with the Silverlight(Beta 2) Datagrid control. Before I wired up the SelectionChanged event, the grid would sort perfectly by clicking on the header. Now, when the grid is clicked, it will fire the SelectionChanged event when I click the header to sort. Is there any way around this?</p> <p>In a semi-related topic, I'd like to have the SelectionChanged event fire when I click on an already selected item (so that I can have a pop-up occur to allow the user to edit the selected value). Right now, you have to click on a different value and then back to the value you wanted in order for it to pop up. Is there another way? </p> <p>Included is my code. </p> <p>The Page:</p> <pre><code>&lt;UserControl x:Class="WebServicesApp.Page" xmlns="http://schemas.microsoft.com/client/2007" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:data="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data" Width="1280" Height="1024" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d"&gt; &lt;Grid x:Name="LayoutRoot" Background="White"&gt; &lt;Grid.RowDefinitions&gt; &lt;RowDefinition /&gt; &lt;RowDefinition /&gt; &lt;/Grid.RowDefinitions&gt; &lt;StackPanel Grid.Row="0" x:Name="OurStack" Orientation="Vertical" Margin="5,5,5,5"&gt; &lt;ContentControl VerticalAlignment="Center" HorizontalAlignment="Center"&gt; &lt;StackPanel x:Name="SearchStackPanel" Orientation="Horizontal" Margin="5,5,5,5"&gt; &lt;TextBlock x:Name="SearchEmail" HorizontalAlignment="Stretch" VerticalAlignment="Center" Text="Email Address:" Margin="5,5,5,5" /&gt; &lt;TextBox x:Name="InputText" HorizontalAlignment="Stretch" VerticalAlignment="Center" Width="150" Height="Auto" Margin="5,5,5,5"/&gt; &lt;Button x:Name="SearchButton" Content="Search" Click="CallServiceButton_Click" HorizontalAlignment="Center" VerticalAlignment="Center" Width="75" Height="Auto" Background="#FFAFAFAF" Margin="5,5,5,5"/&gt; &lt;/StackPanel&gt; &lt;/ContentControl&gt; &lt;Grid x:Name="DisplayRoot" Background="White" ShowGridLines="True" HorizontalAlignment="Center" VerticalAlignment="Center" MaxHeight="300" MinHeight="100" MaxWidth="800" MinWidth="200" ScrollViewer.HorizontalScrollBarVisibility="Visible" ScrollViewer.VerticalScrollBarVisibility="Visible"&gt; &lt;data:DataGrid ItemsSource="{Binding ''}" CanUserReorderColumns="False" CanUserResizeColumns="False" AutoGenerateColumns="False" AlternatingRowBackground="#FFAFAFAF" SelectionMode="Single" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="5,5,5,5" x:Name="IncidentGrid" SelectionChanged="IncidentGrid_SelectionChanged"&gt; &lt;data:DataGrid.Columns&gt; &lt;data:DataGridTextColumn DisplayMemberBinding="{Binding Address}" Header="Email Address" IsReadOnly="True" /&gt; &lt;!--Width="150"--&gt; &lt;data:DataGridTextColumn DisplayMemberBinding="{Binding whereClause}" Header="Where Clause" IsReadOnly="True" /&gt; &lt;!--Width="500"--&gt; &lt;data:DataGridTextColumn DisplayMemberBinding="{Binding Enabled}" Header="Enabled" IsReadOnly="True" /&gt; &lt;/data:DataGrid.Columns&gt; &lt;/data:DataGrid&gt; &lt;/Grid&gt; &lt;/StackPanel&gt; &lt;Grid x:Name="EditPersonPopupGrid" Visibility="Collapsed"&gt; &lt;Rectangle HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Opacity="0.765" Fill="#FF8A8A8A" /&gt; &lt;Border CornerRadius="30" Background="#FF2D1DCC" Width="700" Height="400" HorizontalAlignment="Center" VerticalAlignment="Center" BorderThickness="1,1,1,1" BorderBrush="#FF000000"&gt; &lt;StackPanel x:Name="EditPersonStackPanel" Orientation="Vertical" Background="White" HorizontalAlignment="Center" VerticalAlignment="Center" Width="650" &gt; &lt;ContentControl&gt; &lt;StackPanel x:Name="EmailEditStackPanel" Orientation="Horizontal"&gt; &lt;TextBlock Text="Email Address:" Width="200" Margin="5,0,5,0" /&gt; &lt;TextBox x:Name="EmailPopupTextBox" Width="200" /&gt; &lt;/StackPanel&gt; &lt;/ContentControl&gt; &lt;ContentControl&gt; &lt;StackPanel x:Name="AppliesToDropdownStackPanel" Orientation="Horizontal" Margin="2,2,2,0"&gt; &lt;TextBlock Text="Don't send when update was done by:" /&gt; &lt;StackPanel Orientation="Vertical" MaxHeight="275" MaxWidth="350" &gt; &lt;TextBlock x:Name="SelectedItemTextBlock" TextAlignment="Right" Width="200" Margin="5,0,5,0" /&gt; &lt;Grid x:Name="UserDropDownGrid" MaxHeight="75" MaxWidth="200" Visibility="Collapsed" ScrollViewer.VerticalScrollBarVisibility="Visible" ScrollViewer.HorizontalScrollBarVisibility="Hidden" &gt; &lt;Rectangle Fill="White" /&gt; &lt;Border Background="White"&gt; &lt;ListBox x:Name="UsersListBox" SelectionChanged="UsersListBox_SelectionChanged" ItemsSource="{Binding UserID}" /&gt; &lt;/Border&gt; &lt;/Grid&gt; &lt;/StackPanel&gt; &lt;Button x:Name="DropDownButton" Click="DropDownButton_Click" VerticalAlignment="Top" Width="25" Height="25"&gt; &lt;Path Height="10" Width="10" Fill="#FF000000" Stretch="Fill" Stroke="#FF000000" Data="M514.66669,354 L542.16669,354 L527.74988,368.41684 z" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="1,1,1,1"/&gt; &lt;/Button&gt; &lt;/StackPanel&gt; &lt;/ContentControl&gt; &lt;TextBlock Text="Where Clause Condition:" /&gt; &lt;TextBox x:Name="WhereClauseTextBox" Height="200" Width="800" AcceptsReturn="True" TextWrapping="Wrap" /&gt; &lt;ContentControl&gt; &lt;StackPanel Orientation="Vertical"&gt; &lt;StackPanel Orientation="Horizontal"&gt; &lt;Button x:Name="TestConditionButton" Content="Test Condition" Margin="5,5,5,5" Click="TestConditionButton_Click" /&gt; &lt;Button x:Name="Save" Content="Save" HorizontalAlignment="Right" Margin="5,5,5,5" Click="Save_Click" /&gt; &lt;Button x:Name="Cancel" Content="Cancel" HorizontalAlignment="Right" Margin="5,5,5,5" Click="Cancel_Click" /&gt; &lt;/StackPanel&gt; &lt;TextBlock x:Name="TestContitionResults" Visibility="Collapsed" /&gt; &lt;/StackPanel&gt; &lt;/ContentControl&gt; &lt;/StackPanel&gt; &lt;/Border&gt; &lt;/Grid&gt; &lt;/Grid&gt; </code></pre> <p></p> <p>And the call that occurs when the grid's selection is changed:</p> <pre><code>Private Sub IncidentGrid_SelectionChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) If mFirstTime Then mFirstTime = False Else Dim data As SimpleASMX.EMailMonitor = CType(IncidentGrid.SelectedItem, SimpleASMX.EMailMonitor) Dim selectedGridItem As SimpleASMX.EMailMonitor = Nothing If IncidentGrid.SelectedItem IsNot Nothing Then selectedGridItem = CType(IncidentGrid.SelectedItem, SimpleASMX.EMailMonitor) EmailPopupTextBox.Text = selectedGridItem.Address SelectedItemTextBlock.Text = selectedGridItem.AppliesToUserID WhereClauseTextBox.Text = selectedGridItem.whereClause IncidentGrid.SelectedIndex = mEmailMonitorData.IndexOf(selectedGridItem) End If If IncidentGrid.SelectedIndex &gt; -1 Then EditPersonPopupGrid.Visibility = Windows.Visibility.Visible Else EditPersonPopupGrid.Visibility = Windows.Visibility.Collapsed End If End If End Sub </code></pre> <p>Sorry if my code is atrocious, I'm still learning Silverlight.</p>
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