what is ancestor binding and ancestor level and relative source binding in silverlight 5.. i have binded the listbox with in the scrollviewer and i am having the slider as the item in the listbox when even i scroll the scroll viewer vertically up and down my slider values are changed... plse tell what is the problem with this. this is my xaml code. where i want to change this to not to affect the slider value when scrolling up and down. here is my xaml code.
<navigation:Page xmlns:sdk="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk" x:Class="MediaForecaster.Views.FormDisplayApplyFactors"
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"
xmlns:ViewModels="clr-namespace:MediaForecaster.ViewModels"
xmlns:Regions="clr-namespace:Jounce.Regions;assembly=Jounce"
mc:Ignorable="d"
xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
xmlns:i="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity"
Width="Auto" Height="Auto"
Title="FormDisplayApplyFactors Page">
<Grid x:Name="LayoutRoot">
<Grid.RowDefinitions>
<RowDefinition Height="20"/>
<RowDefinition Height="*"/>
<RowDefinition Height="30"/>
<RowDefinition Height="50"/>
<RowDefinition Height="50"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<StackPanel Grid.Row="0" Orientation="Horizontal">
<TextBlock Margin="45,-50,0,0" Text="Apply Factors To" />
<TextBlock Margin="10,-50,0,0" Foreground="Red" FontStyle="Italic" Text="{Binding resultname,Mode=TwoWay}" />
<!--<TextBox Width="120" Height="25" Margin="10,-110,0,0" />-->
<TextBlock Margin="10,-50,0,0" Text="for Year" />
<TextBlock Foreground="Red" FontStyle="Italic" Margin="10,-50,0,0" Text="{Binding resultyear, Mode=TwoWay}"/>
<!--<ComboBox Margin="10,-110,0,0" Width="120" Height="25"/>-->
</StackPanel>
<Grid Grid.Row="1">
<StackPanel >
<ScrollViewer VerticalScrollBarVisibility="Auto" Margin="0,-20,0,0" HorizontalScrollBarVisibility="Auto">
<ScrollViewer.Content>
<ListBox Background="AliceBlue" Height="250" Width="960" ItemsSource="{Binding ListboxSource,Mode=TwoWay}">
<ListBox.ItemTemplate>
<DataTemplate>
<StackPanel Orientation="Horizontal">
<Border Margin="5" Padding="1"
BorderBrush="SteelBlue" BorderThickness="1" CornerRadius="15">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="2*"/>
</Grid.RowDefinitions>
<Grid Grid.Row="0">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="50"/>
<ColumnDefinition Width="200"/>
<ColumnDefinition Width="70"/>
<ColumnDefinition Width="110"/>
<ColumnDefinition Width="110"/>
<ColumnDefinition Width="50"/>
<ColumnDefinition Width="100"/>
<ColumnDefinition Width="50"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="40"/>
<RowDefinition Height="40"/>
<RowDefinition Height="40"/>
</Grid.RowDefinitions>
<TextBlock Grid.Row="0" Margin="3,0,0,0" Text="Name" Grid.Column="0" Height="27" Width="35" HorizontalAlignment="Left" />
<TextBox Grid.Row="0" Margin="0,0,0,0" Text="{Binding ApplyFactorvalue,Mode=TwoWay}" IsEnabled="False" Grid.Column="1" Height="27" Width="150" HorizontalAlignment="Left" Name="txtName"/>
<TextBox Grid.Row="1" Grid.Column="1" Margin="0,0,0,0" HorizontalAlignment="Left" Width="150" IsEnabled="False" Height="80" TextWrapping="Wrap" VerticalScrollBarVisibility="Visible" Name="txtdesc" Text="{Binding Description, Mode=TwoWay}" Grid.RowSpan="2" AcceptsReturn="True"/>
<TextBlock Name="txtblkFrom" HorizontalAlignment="Left" Margin="0,0,0,0" Grid.Row="1" Grid.Column="2" Width="50" Text="From" Height="27"/>
<TextBlock Name="txtblkTo" HorizontalAlignment="Left" Margin="0,0,0,0" Grid.Row="2" Grid.Column="2" Width="50" Text="To" Height="27"/>
<ComboBox Name="ddlfrommonth" Margin="0,0,0,0" HorizontalAlignment="Left" Width="100" Grid.Row="1" Grid.Column="3" Height="27"
ItemsSource="{Binding RelativeSource={RelativeSource AncestorType=ScrollViewer}, Path=DataContext.FromMonthList}"
DisplayMemberPath="MonthName"
SelectedValuePath="MonthName"
SelectedValue="{Binding FromMonth,Mode=TwoWay}">
<i:Interaction.Triggers>
<i:EventTrigger EventName="SelectionChanged">
<i:InvokeCommandAction Command="{Binding RelativeSource={RelativeSource AncestorType=ScrollViewer}, Path=DataContext.CalculateConsolidatedFactors}"/>
</i:EventTrigger>
</i:Interaction.Triggers>
</ComboBox>
<ComboBox Name="ddlTomonth" Margin="0,0,0,0" HorizontalAlignment="Left" Width="100" Grid.Row="2" Grid.Column="3" Height="27"
ItemsSource="{Binding RelativeSource={RelativeSource AncestorType=ScrollViewer}, Path=DataContext.ToMonthList}"
DisplayMemberPath="MonthName"
SelectedValuePath="MonthName"
SelectedValue="{Binding ToMonth,Mode=TwoWay}" >
<i:Interaction.Triggers>
<i:EventTrigger EventName="SelectionChanged">
<i:InvokeCommandAction Command="{Binding RelativeSource={RelativeSource AncestorType=ScrollViewer}, Path=DataContext.CalculateConsolidatedFactors}"/>
</i:EventTrigger>
</i:Interaction.Triggers>
</ComboBox>
<TextBlock FontWeight="Bold" Text="Max%Min%" Grid.Row="0" Grid.Column="4" Height="27" Width="90" Name="txtblkMaxMinPercent"/>
<TextBox Name="MaxPercen" IsEnabled="False" MaxLength="4" Grid.Row="1" Grid.Column="4" Width="90" Height="27" Text="{Binding MaxValue,Mode=TwoWay}"/>
<TextBox Name="MinPercen" IsEnabled="False" MaxLength="3" Grid.Row="2" Grid.Column="4" Width="90" Height="27" Text="{Binding MinValue,Mode=TwoWay}"/>
<!--DisplayMemberPath="Name" SelectedValuePath="ID" ItemsSource="{Binding Path=EntityObjects, Mode=TwoWay}" SelectedItem="{Binding Path=ToMonthPercentSelectValue,Mode=TwoWay}"/>-->
<Slider Name="WireFrameSlider" Orientation="Vertical" Minimum="{Binding ElementName=MinPercen,Path=Text, Mode=TwoWay}" Maximum="{Binding ElementName=MaxPercen,Path=Text, Mode=TwoWay}" Value="{Binding FactorPercent,Mode=TwoWay}" Height="120" Grid.Row="0" Grid.Column="5" Grid.RowSpan="3" Width="30" Cursor="Arrow">
<i:Interaction.Triggers>
<i:EventTrigger EventName="ValueChanged">
<i:InvokeCommandAction Command="{Binding CalculateConsolidatedFactors}"/>
</i:EventTrigger>
</i:Interaction.Triggers>
</Slider>
<TextBlock FontWeight="Bold" Text="Effect" Grid.Row="0" Grid.Column="6" Height="27" Width="90" Name="txtblkEffect"/>
<TextBlock
Text="{Binding ElementName=WireFrameSlider,Path=Value, Mode=TwoWay, StringFormat=\{0:n2\}}"
Grid.Row="1" Grid.Column="6" Height="27" Width="90"
Name="txtblkEffectPercentValue"/>
<CheckBox Margin="0,0,0,0" HorizontalAlignment="Left" Grid.Column="7" Grid.Row="1" Command="{Binding RelativeSource={RelativeSource AncestorType=ScrollViewer}, Path=DataContext.CalculateConsolidatedFactors}" IsChecked="{Binding ApplyFactorCheckbox,Mode=TwoWay}" Height="40" Width="50" />
</Grid>
</Grid>
</Border>
</StackPanel>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
</ScrollViewer.Content>
</ScrollViewer>
</StackPanel>
</Grid>
<TextBlock Text="Summary" Foreground="Red" Grid.Row="2" Margin="70,0,0,0"/>
<sdk:DataGrid Grid.Row="3" Name="myDataGrid" ItemsSource="{Binding ApplyDataList,Mode=TwoWay}" Background="Yellow" Foreground="blue" Height="100" Margin="0,0,0,0" Width="900" AutoGenerateColumns="False" >
<sdk:DataGrid.Columns>
<sdk:DataGridTextColumn Binding="{Binding Jan,StringFormat='#.##'}" Header="Jan"></sdk:DataGridTextColumn>
<sdk:DataGridTextColumn Binding="{Binding Feb,StringFormat='#.##'}" Header="Feb"></sdk:DataGridTextColumn>
<sdk:DataGridTextColumn Binding="{Binding Mar,StringFormat='#.##'}" Header="Mar"></sdk:DataGridTextColumn>
<sdk:DataGridTextColumn Binding="{Binding Apr,StringFormat='#.##'}" Header="Apr"></sdk:DataGridTextColumn>
<sdk:DataGridTextColumn Binding="{Binding May,StringFormat='#.##'}" Header="May"></sdk:DataGridTextColumn>
<sdk:DataGridTextColumn Binding="{Binding Jun,StringFormat='#.##'}" Header="Jun"></sdk:DataGridTextColumn>
<sdk:DataGridTextColumn Binding="{Binding Jul,StringFormat='#.##'}" Header="Jul"></sdk:DataGridTextColumn>
<sdk:DataGridTextColumn Binding="{Binding Aug,StringFormat='#.##'}" Header="Aug"></sdk:DataGridTextColumn>
<sdk:DataGridTextColumn Binding="{Binding Sep,StringFormat='#.##'}" Header="Sep"></sdk:DataGridTextColumn>
<sdk:DataGridTextColumn Binding="{Binding Oct,StringFormat='#.##'}" Header="Oct"></sdk:DataGridTextColumn>
<sdk:DataGridTextColumn Binding="{Binding Nov,StringFormat='#.##'}" Header="Nov"></sdk:DataGridTextColumn>
<sdk:DataGridTextColumn Binding="{Binding Dec,StringFormat='#.##'}" Header="Dec"></sdk:DataGridTextColumn>
</sdk:DataGrid.Columns>
</sdk:DataGrid>
<Button Content="Apply" Command="{Binding Path=NavigateRevenueImpact}" Margin="570,-50,0,0" Width="100" Height="30" Grid.Row="4" />
<Button Content="Cancel" Command="{Binding Path=Cancel}" Margin="800,-50,0,0" Width="100" Height="30" Grid.Row="4" />
</Grid>
</navigation:Page>