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How to disable a button and change it's color?

I have this code I found on here, that generates me a grid of buttons - I know this may not be the best way to do this, but for now I'd like to do it this way, I am quite new at this. So the button should be either Black(1) or White(0), depending on it's value. This all works, until I hover the button and I can see it's value. If I just add the Visibility property = "false" to the button, it does not even get displayed.
This is my code:
<Window.Resources>
<DataTemplate x:Key="DataTemplate_Level2">
<Button Content="{Binding}" Height="15" Width="15" Margin="1,1,1,1">
<Button.Style>
<Style TargetType="Button">
<Style.Triggers>
<DataTrigger Binding="{Binding}" Value="1">
<Setter Property="Background" Value="Black"/>
<Setter Property="Foreground" Value="Black" />
</DataTrigger>
<DataTrigger Binding="{Binding}" Value="0">
<Setter Property="Background" Value="White"/>
<Setter Property="Foreground" Value="White" />
</DataTrigger>
</Style.Triggers>
</Style>
</Button.Style>
</Button>
</DataTemplate>
<DataTemplate x:Key="DataTemplate_Level1">
<ItemsControl ItemsSource="{Binding}" ItemTemplate="{DynamicResource DataTemplate_Level2}">
<ItemsControl.ItemsPanel>
<ItemsPanelTemplate>
<StackPanel Orientation="Horizontal"/>
</ItemsPanelTemplate>
</ItemsControl.ItemsPanel>
</ItemsControl>
</DataTemplate>
</Window.Resources>
And then I display the grid here:
<Grid Margin="10,10,10,-636" Grid.Row="3">
<ItemsControl x:Name="automata" ItemTemplate="{DynamicResource DataTemplate_Level1}" Margin="0,0,0,-119"/>
</Grid>
I would also be happy of a recommendation on how to display these values in another way.

If you want to change the appearance or visual states of a control, create a style with a ControlTemplate that fits your requirements. You can also extract the default style using Blen or Visual Studio and adapt it.
In the following, I took the default style with its control template for Button and commented out the triggers for MouseOver, Pressed and other states so they are ineffective, but you still see where to continue since your question certainly is only the starting point for further customization. I adapted and added your triggers to the ControlTemplate. What this does is simply show a black button for 1 and white for 0.
<Style x:Key="MyButtonStyle" TargetType="{x:Type Button}">
<Style.Resources>
<SolidColorBrush x:Key="Button.Static.Background" Color="#FFDDDDDD"/>
<SolidColorBrush x:Key="Button.Static.Border" Color="#FF707070"/>
<SolidColorBrush x:Key="Button.MouseOver.Background" Color="#FFBEE6FD"/>
<SolidColorBrush x:Key="Button.MouseOver.Border" Color="#FF3C7FB1"/>
<SolidColorBrush x:Key="Button.Pressed.Background" Color="#FFC4E5F6"/>
<SolidColorBrush x:Key="Button.Pressed.Border" Color="#FF2C628B"/>
<SolidColorBrush x:Key="Button.Disabled.Background" Color="#FFF4F4F4"/>
<SolidColorBrush x:Key="Button.Disabled.Border" Color="#FFADB2B5"/>
<SolidColorBrush x:Key="Button.Disabled.Foreground" Color="#FF838383"/>
</Style.Resources>
<Setter Property="FocusVisualStyle">
<Setter.Value>
<Style>
<Setter Property="Control.Template">
<Setter.Value>
<ControlTemplate>
<Rectangle Margin="2" StrokeDashArray="1 2" SnapsToDevicePixels="true" StrokeThickness="1" Stroke="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Setter.Value>
</Setter>
<Setter Property="Background" Value="{StaticResource Button.Static.Background}"/>
<Setter Property="BorderBrush" Value="{StaticResource Button.Static.Border}"/>
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
<Setter Property="BorderThickness" Value="1"/>
<Setter Property="HorizontalContentAlignment" Value="Center"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Padding" Value="1"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Border x:Name="border" Background="{TemplateBinding Background}" BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" SnapsToDevicePixels="true">
<ContentPresenter x:Name="contentPresenter" Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Border>
<ControlTemplate.Triggers>
<!-- These are the default triggers, which you might customize to fit your style. -->
<!--<Trigger Property="IsDefaulted" Value="true">
<Setter Property="BorderBrush" TargetName="border" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
</Trigger>
<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Background" TargetName="border" Value="{StaticResource Button.MouseOver.Background}"/>
<Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.MouseOver.Border}"/>
</Trigger>
<Trigger Property="IsPressed" Value="true">
<Setter Property="Background" TargetName="border" Value="{StaticResource Button.Pressed.Background}"/>
<Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.Pressed.Border}"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Background" TargetName="border" Value="{StaticResource Button.Disabled.Background}"/>
<Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.Disabled.Border}"/>
<Setter Property="TextElement.Foreground" TargetName="contentPresenter" Value="{StaticResource Button.Disabled.Foreground}"/>
</Trigger>-->
<!-- These are your triggers, which now act on the Content property of the templated button. -->
<DataTrigger Binding="{Binding Content, RelativeSource={RelativeSource TemplatedParent}}" Value="1">
<Setter Property="Background" Value="Black"/>
<Setter Property="Foreground" Value="Black" />
</DataTrigger>
<DataTrigger Binding="{Binding Content, RelativeSource={RelativeSource TemplatedParent}}" Value="0">
<Setter Property="Background" Value="White"/>
<Setter Property="Foreground" Value="White" />
</DataTrigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
Use this style in your data template and you should get the expected result.
<DataTemplate x:Key="DataTemplate_Level2">
<Button Content="{Binding}" Height="15" Width="15" Margin="1,1,1,1" Style="{DynamicResource MyButtonStyle}"/>
</DataTemplate>
Since you try to make the text 1 and 0 invisible by setting the background and foreground to the same color, you could also simply remove the ContentPresenter from the ControlTemplate, so there is no content displayed at all and the Foreground setters are not needed.
Another thing to note is that your binary state maybe suggests to use a ToggleButton instead.
Base class for controls that can switch states, such as CheckBox.
This is an example style for a ToggleButton that does not show content and sets the background like in your question, but dependening on its IsChecked property.
<Style x:Key="MyToggleButtonStyle" TargetType="{x:Type ToggleButton}">
<Style.Resources>
<SolidColorBrush x:Key="Button.Static.Background" Color="#FFDDDDDD"/>
<SolidColorBrush x:Key="Button.Static.Border" Color="#FF707070"/>
</Style.Resources>
<Setter Property="FocusVisualStyle">
<Setter.Value>
<Style>
<Setter Property="Control.Template">
<Setter.Value>
<ControlTemplate>
<Rectangle Margin="2" StrokeDashArray="1 2" SnapsToDevicePixels="true" StrokeThickness="1" Stroke="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Setter.Value>
</Setter>
<Setter Property="Background" Value="{StaticResource Button.Static.Background}"/>
<Setter Property="BorderBrush" Value="{StaticResource Button.Static.Border}"/>
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
<Setter Property="BorderThickness" Value="1"/>
<Setter Property="HorizontalContentAlignment" Value="Center"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Padding" Value="1"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ToggleButton}">
<Border x:Name="border" Background="{TemplateBinding Background}" BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" SnapsToDevicePixels="true"/>
<ControlTemplate.Triggers>
<Trigger Property="IsChecked" Value="True">
<Setter Property="Background" Value="Black"/>
</Trigger>
<Trigger Property="IsChecked" Value="False">
<Setter Property="Background" Value="White"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
Change the binding in your data template from Content to IsChecked.
<DataTemplate x:Key="DataTemplate_Level2">
<ToggleButton IsChecked="{Binding}" Height="15" Width="15" Margin="1,1,1,1" Style="{DynamicResource MyToggleButtonStyle}"/>
</DataTemplate>
This buys you the advantage of toggling the states automatically, but only if you can provide a property for two-way binding (getter and setter), otherwise an exception will be thrown.

Not able to change foreground of label in ListBoxItem [duplicate]

This question already has answers here:
WPF set border background in trigger
(1 answer)
WPF Trigger won't set property if set in Element
(3 answers)
Closed last year.
Below is the sample code of my WPF xaml file. My intention is to change the foreground of the label in the listboxitem to Red colour when the item is selected. However, no changes was seen on the foreground? What mistake had I done?
<UserControl.Resources>
<Style x:Key="WishlistListBoxStyle" TargetType="{x:Type ListBox}">
<Setter Property="FontWeight" Value="Bold"/>
<Setter Property="FontSize" Value="18"/>
<Setter Property="FontFamily" Value="Arial"/>
<Setter Property="Background" Value="#282C2F"/>
<Setter Property="ItemContainerStyle">
<Setter.Value>
<Style TargetType="ListBoxItem">
<Setter Property="Foreground" Value="White"/>
<Setter Property="Margin" Value="0"/>
<Setter Property="Padding" Value="0"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ListBoxItem}">
<Border x:Name="WishlistBorder" Style="{DynamicResource WishlistBorderContent}">
<ContentPresenter />
</Border>
<ControlTemplate.Resources>
<Style x:Key="WishlistBorderContent" TargetType="Border">
<Setter Property="BorderThickness" Value="0 0 0 2"/>
<Setter Property="BorderBrush" Value="#50D3D3D3"/>
</Style>
</ControlTemplate.Resources>
<ControlTemplate.Triggers>
<Trigger Property="IsSelected" Value="True">
<Setter TargetName="WishlistBorder" Property="BorderThickness" Value="2"/>
<Setter TargetName="WishlistBorder" Property="BorderBrush" Value="#63C5DA"/>
<Setter Property="Foreground" Value="Red"/>
</Trigger>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="WishlistBorder" Property="Background" Value="#50D3D3D3"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Setter.Value>
</Setter>
</Style>
</UserControl.Resources>
<ListBox ItemsSource="{Binding SymbolList}" SelectedItem="{Binding SelectedSymbol}"
Style="{StaticResource WishlistListBoxStyle}" HorizontalContentAlignment="Stretch" Width="200" Padding="0">
<ListBox.ItemTemplate>
<DataTemplate>
<Label Content="{Binding}" Foreground="White"/>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>

Calendar of DatePicker fills whole screen

I have a DatePicker in my application, that consists of DockPanels in a StackPanel in a ScrollViewer in a UserControl.
The (simplified) xaml of the UserControl looks like this:
<UserControl x:Class="project.UI1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xml:lang="de-DE"
mc:Ignorable="d" >
<UserControl.Resources>
<Style TargetType="{x:Type TextBlock}">
<Setter Property="Width" Value="250"/>
<Setter Property="TextWrapping" Value="Wrap"/>
<Setter Property="TextAlignment" Value="Right"/>
<Setter Property="VerticalAlignment" Value="Center"/>
<Setter Property="Margin" Value="2"/>
<Setter Property="Padding" Value="3"/>
</Style>
<Style TargetType="{x:Type TextBox}">
<Setter Property="DockPanel.Dock" Value="Top"/>
<Setter Property="TextWrapping" Value="Wrap"/>
<Setter Property="MaxWidth" Value="{Binding RelativeSource={RelativeSource AncestorType=Border},Path=ActualWidth}"/>
<Setter Property="VerticalScrollBarVisibility" Value="Auto"/>
</Style>
<Style TargetType="{x:Type DatePicker}">
<Setter Property="Margin" Value="2"/>
<Setter Property="Width" Value="105"/>
<Setter Property="MaxWidth" Value="105"/>
<Setter Property="Height" Value="24"/>
<Setter Property="VerticalAlignment" Value="Center"/>
<Setter Property="HorizontalAlignment" Value="Left"/>
</Style>
<Style TargetType="{x:Type DockPanel}">
<Setter Property="DockPanel.Dock" Value="Top"/>
</Style>
<Style TargetType="{x:Type Border}">
<Setter Property="Margin" Value="0"/>
<Setter Property="Padding" Value="2"/>
</Style>
<Style TargetType="{x:Type ScrollViewer}">
<Setter Property="HorizontalScrollBarVisibility" Value="Disabled"/>
<Setter Property="VerticalScrollBarVisibility" Value="Auto"/>
</Style>
</UserControl.Resources>
<ScrollViewer>
<StackPanel>
<DockPanel>
<TextBlock Text="IK-Nummer des Absenders (z.B. D-Arzt)"/>
<Border>
<TextBox Text="{Binding p_1}"/>
</Border>
</DockPanel>
<DockPanel>
<TextBlock Text="IK-Nummer der UNI-DAV aus UV-Träger-Verzeichnis"/>
<Border>
<TextBox Text="{Binding p_2}" />
</Border>
</DockPanel>
<DockPanel>
<TextBlock Text="Datum der Erstellung durch den Leistungserbringer"/>
<DatePicker SelectedDate="{Binding p_3}"/>
</DockPanel>
</StackPanel>
</ScrollViewer>
</UserControl>
The TextBlocks have a 250px fixed width and hold the description of the fields while the TextBoxes for the user input are supposed to grow & shrink dynamically as the user resizes the window, to fit the rest of the window width.This is why I came up with packing every TextBlock/TextBox-combo in a DockPanel, and stack those in a StackPanel.
However, when I click on the DatePicker, the calendar beyond spans across the whole screen:
Even though this looks quite funky, I would prefer to get the common square calendar "popup" back.
Unfortunately, I don't know what causes the calendar to go wild like this at the moment...

The problem is your TextBlock style. It is being applied to the DateTimePicker because it has no key and so applies to all TextBlocks down the visual tree.
Can you give the style a key and only apply it to certain TextBlocks?
<Style TargetType="{x:Type TextBlock}" x:Key="TextBlockStyle">
<Setter Property="Width" Value="250"/>
<Setter Property="TextWrapping" Value="Wrap"/>
<Setter Property="TextAlignment" Value="Right"/>
<Setter Property="VerticalAlignment" Value="Center"/>
<Setter Property="Margin" Value="2"/>
<Setter Property="Padding" Value="3"/>
</Style>
....
<TextBlock Text="IK-Nummer der UNI-DAV aus UV-Träger-Verzeichnis"
Style="{StaticResource TextBlockStyle}"/>
UPDATE:
OR, you could just add a new TextBlock style to the DatePicker's resource to override the style higher up in the visual tree:
<DatePicker SelectedDate="{Binding p_3}">
<DatePicker.Resources>
<Style TargetType="{x:Type TextBlock}"/>
</DatePicker.Resources>
</DatePicker>

Ribbon Office 2013 template

I am using the following code to try my application has the same format as Office 2013, you must only add the reference to the project that comes with WPF 4.5 and is System.Windows.Controls.Ribbon. I have a problem, I need that when you select a tab, the line that is missing is complete, attached a picture:
<Window x:Class="WpfApplication1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
WindowStartupLocation="CenterScreen">
<Window.Resources>
<Style TargetType="Ribbon">
<Setter Property="Background" Value="White"/>
<Setter Property="Foreground" Value="Black"/>
<!--<Setter Property="BorderBrush" Value="{x:Null}"/>-->
<!-- TODO Template
But how does this work? :/
-->
</Style>
<Style TargetType="RibbonGroup">
<Setter Property="Background" Value="Transparent"/>
<!--<Setter Property="MouseOverBackground" Value="Transparent"/>
<Setter Property="MouseOverBorderBrush" Value="Transparent"/>-->
</Style>
<Style TargetType="RibbonTabHeader">
<Setter Property="Background" Value="White"/>
<Setter Property="BorderBrush" Value="Transparent"/>
<Setter Property="FontSize" Value="13"/>
<Setter Property="Padding" Value="15,2,15,2"/>
<Setter Property="BorderThickness" Value="1,1,1,5"/>
<Setter Property="Margin" Value="1,0,1,0"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="RibbonTabHeader">
<ControlTemplate.Resources>
<SolidColorBrush x:Key="CheckedBackground" Color="#FFF5F6F7"/>
<SolidColorBrush x:Key="CheckedBorderBrush" Color="#FFDBDCDD"/>
<!--<SolidColorBrush x:Key="FocusedBackground" Color="#FFFDFDFF"/>
<SolidColorBrush x:Key="FocusedBorderBrush" Color="#FFEDEEEE"/>
<SolidColorBrush x:Key="MouseOverBackground" Color="#FFFDFDFF"/>
<SolidColorBrush x:Key="MouseOverBorderBrush" Color="#FFEDEEEE"/>-->
</ControlTemplate.Resources>
<Border Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}">
<ContentPresenter Margin="{TemplateBinding Padding}" HorizontalAlignment="Center" VerticalAlignment="Center" RecognizesAccessKey="True"/>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsRibbonTabSelected" Value="True">
<Setter Property="Background" Value="{DynamicResource CheckedBackground}"/>
<!--<Setter Property="BorderBrush" Value="{DynamicResource CheckedBorderBrush}"/>-->
<Setter Property="BorderBrush" Value="#FFB9C9DA"/>
<Setter Property="Foreground" Value="Blue"/>
</Trigger>
<Trigger Property="IsMouseOver" Value="True">
<!--<Setter Property="Background" Value="{DynamicResource CheckedBackground}"/>-->
<!--<Setter Property="BorderBrush" Value="{DynamicResource CheckedBorderBrush}"/>-->
<!--<Setter Property="BorderBrush" Value="#FFB9C9DA"/>-->
<Setter Property="Foreground" Value="Blue"/>
</Trigger>
<!--<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsRibbonTabSelected" Value="False"/>
<Condition Property="IsMouseOver" Value="True"/>
</MultiTrigger.Conditions>
<Setter Property="Background" Value="{DynamicResource MouseOverBackground}"/>
<Setter Property="BorderBrush" Value="{DynamicResource MouseOverBorderBrush}"/>
</MultiTrigger>-->
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Window.Resources>
<Grid>
<Ribbon>
<RibbonTab Header="INICIO">
<RibbonGroup Header="Portapapeles">
<RibbonButton Label="Hola" LargeImageSource="Imágenes/Artículo.png" Height="Auto" VerticalAlignment="Top"/>
</RibbonGroup>
<RibbonGroup Header="Fuente">
<RibbonButton Content="Fuente"/>
</RibbonGroup>
</RibbonTab>
<RibbonTab Header="INSERTAR"/>
<RibbonTab Header="DISEÑO"/>
<Ribbon.ApplicationMenu>
<RibbonApplicationMenu SmallImageSource="Imágenes/Usuario.png">
<RibbonApplicationMenuItem Width="Auto" Header="Iniciar sesión..." ImageSource="Imágenes/Usuario.png"/>
<RibbonApplicationMenuItem Width="Auto" Header="Cambiar contraseña..." ImageSource="Imágenes/Usuario.png"/>
<RibbonApplicationMenuItem Width="Auto" Header="Cerrar sesión..." ImageSource="Imágenes/Usuario.png"/>
</RibbonApplicationMenu>
</Ribbon.ApplicationMenu>
</Ribbon>
</Grid>
</Window>

You can vote for it on the uservoice website of visual studio: http://visualstudio.uservoice.com/forums/121579-visual-studio/suggestions/6736521-ribbon-styles-update-to-look-like-office-2013

How to change Selected Row Background Image in wpf DataGrid

I have DataGrid with the Following Code .
In alter native row background have my Own Image . so is possible then also i want to change the Row Background Image on selected Row.
<DataGrid x:Name="dtstandardview" BorderThickness="0" Height="429" Width="688" BorderBrush="Aqua" MouseLeftButtonDown="dtstandardview_MouseRightButtonUp_1"
GridLinesVisibility="None" MouseRightButtonUp="dtstandardview_MouseRightButtonUp_1"
VerticalScrollBarVisibility="Visible" AutoGenerateColumns="False" IsReadOnly="True"
CanUserDeleteRows="False" AlternationCount="2" CanUserResizeRows="False" Sorting="dtstandardview_Sorting_1"
Background="#DCDCDC" HeadersVisibility="Column" CanUserResizeColumns="False"
RowHeight="27" SelectionUnit="FullRow" CanUserAddRows="False" MinRowHeight="27" LoadingRow="dtstandardview_LoadingRow" LoadingRowDetails="dtstandardview_LoadingRowDetails" Loaded="dtstandardview_Loaded" Initialized="dtstandardview_Initialized" CellEditEnding="dtstandardview_CellEditEnding" AutoGeneratingColumn="dtstandardview_AutoGeneratingColumn" UnloadingRow="dtstandardview_UnloadingRow" UnloadingRowDetails="dtstandardview_UnloadingRowDetails" >
<DataGrid.Resources>
<SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}" Color="#FF0000"/>
</DataGrid.Resources>
<DataGrid.CellStyle>
<Style TargetType="{x:Type DataGridCell}">
<Setter Property="Background" Value="Transparent"/>
<Setter Property="FontSize" Value="12"/>
<Setter Property="FontFamily" Value="Arial"/>
<Setter Property="Foreground" Value="#404040"/>
<Setter Property="BorderBrush" Value="Transparent"/>
<Setter Property="BorderThickness" Value="0"/>
<Setter Property="Effect">
<Setter.Value>
<DropShadowEffect BlurRadius="0" Color="#FF000000" Direction="-60" Opacity="0.32" ShadowDepth="1"/>
</Setter.Value>
</Setter>
<Setter Property="Margin" Value="10,5" />
<Setter Property="VerticalContentAlignment" Value="Bottom"/>
<Style.Triggers>
<Trigger Property="IsSelected" Value="True">
<Setter Property="Background" Value="#cde0e5"/>
<Setter Property="FontSize" Value="12"/>
<Setter Property="FontFamily" Value="Arial"/>
<Setter Property="Foreground" Value="#404040"/>
<Setter Property="BorderBrush" Value="Transparent"/>
<Setter Property="BorderThickness" Value="0"/>
<Setter Property="Effect">
<Setter.Value>
<DropShadowEffect BlurRadius="0" Color="#FF000000" Direction="-60" Opacity="0.32" ShadowDepth="1"/>
</Setter.Value>
</Setter>
<Setter Property="Margin" Value="10,5" />
<Setter Property="VerticalContentAlignment" Value="Bottom"/>
</Trigger>
</Style.Triggers>
</Style>
</DataGrid.CellStyle>
<DataGrid.RowStyle>
<Style TargetType="{x:Type DataGridRow}">
<Setter Property="FontSize" Value="12"/>
<Setter Property="FontFamily" Value="Arial"/>
<Setter Property="Foreground" Value="#404040"/>
<Setter Property="Background" Value="Transparent"/>
<Setter Property="DataContext">
<Setter.Value>
<TextBlock Margin="10,0,0,0" TextWrapping="Wrap" Text="{Binding}">
<TextBlock.Effect>
<DropShadowEffect BlurRadius="0" Color="#FF000000" Direction="-60" Opacity="0.32" ShadowDepth="1"/>
</TextBlock.Effect>
</TextBlock>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="IsSelected" Value="True">
<Setter Property="Background" >
<Setter.Value>
<ImageBrush ImageSource="/ClientApplication;component/Images/bonus_progress_bg.png"/>
</Setter.Value>
</Setter>
</Trigger>
</Style.Triggers>
</Style>
</DataGrid.RowStyle>
<DataGrid.RowBackground >
<ImageBrush ImageSource="/ClientApplication;component/Images/second_row_bg.png"/>
</DataGrid.RowBackground>
<DataGrid.AlternatingRowBackground>
<ImageBrush ImageSource="/ClientApplication;component/Images/bonus_progress_bg.png"/>
</DataGrid.AlternatingRowBackground>
<DataGrid.ColumnHeaderStyle>
<Style TargetType="{x:Type DataGridColumnHeader}">
<Setter Property="VerticalContentAlignment" Value="Center" />
<Setter Property="ContentTemplate" >
<Setter.Value>
<DataTemplate>
<TextBlock Foreground="#404040" FontWeight="Bold" Margin="10,0,0,0" TextWrapping="Wrap" Text="{Binding}" TextOptions.TextFormattingMode="Display">
<TextBlock.Effect>
<DropShadowEffect BlurRadius="0" Color="#FFFFFF" Direction="-90" Opacity="0.40" ShadowDepth="1" RenderOptions.ClearTypeHint="Auto" />
</TextBlock.Effect>
</TextBlock>
</DataTemplate>
</Setter.Value>
</Setter>
<Setter Property="Background">
<Setter.Value>
<ImageBrush ImageSource="/ClientApplication;component/Images/table_bg_header.png"/>
</Setter.Value>
</Setter>
<Setter Property="BorderBrush">
<Setter.Value>
<ImageBrush ImageSource="/ClientApplication;component/Images/titel_bg.png"/>
</Setter.Value>
</Setter>
<Setter Property="Foreground" Value="#404040" />
<Setter Property="BorderThickness" Value="0, 0, 1, 0"/>
<Setter Property="Height" Value="26" />
<Setter Property="FontSize" Value="14"/>
<Setter Property="FontFamily" Value="Arial"/>
</Style>
</DataGrid.ColumnHeaderStyle>
</DataGrid>
When i select the row I am getting the Following Effect on grid.
I want Entire Row with light Blue color .

You can use using a TemplateBinding
<Border Name="DataGridCellBorder"
Background="{TemplateBinding Background}"/>

Previously I have faced same issue so I followed the following approach and it was worked fine for me. Once try it...
You are specifying some Width to the grid top Row right( You are using Buttons ) ? just give same width to the binding element i.e., if you are using Textblock give that width as same as its header thats it.