<Window x:Class="CellMouseTrigger.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
	xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"
    Title="Window1" Height="300" Width="500">
    <Grid>
        <Grid.Resources>
            <ControlTemplate x:Key="NormalTemplate" TargetType="telerik:GridViewCell">
                <Border Name="CellBorder" 
                                    CornerRadius="0,0,0,0" 
                                    BorderThickness="1" 
                                    Background="#FFDAE2F2">
                    <Border Height="Auto" 
                                        Width="Auto" 
                                        BorderBrush="#FFFFFFFF" 
                                        CornerRadius="5,5,5,5" 
                                        BorderThickness="1" 
                                        Margin="5,5,5,5">
                        <ContentPresenter 
                                        VerticalAlignment="Center" 
                                        HorizontalAlignment="Right" 
                                        Margin="0,0,10,0" 
                                        TextBlock.Foreground="#FF000000" />
                    </Border>
                </Border>
            </ControlTemplate>
            
            <ControlTemplate x:Key="MouseOverTemplate" TargetType="telerik:GridViewCell">
                <Border Name="CellBorder" 
                                    CornerRadius="0,0,0,0" 
                                    BorderThickness="1" 
                                    Background="Aqua">
                    <Border Height="Auto" 
                                        Width="Auto" 
                                        BorderBrush="#FFFFFFFF" 
                                        CornerRadius="5,5,5,5" 
                                        BorderThickness="1" 
                                        Margin="5,5,5,5">
                        <ContentPresenter 
                                        VerticalAlignment="Center" 
                                        HorizontalAlignment="Right" 
                                        Margin="0,0,10,0" 
                                        TextBlock.Foreground="#FF000000" />
                    </Border>
                </Border>
            </ControlTemplate>
            
            <Style TargetType="{x:Type telerik:GridViewCell}">
                <Setter Property="Margin" Value="0"/>
                <Setter Property="Padding" Value="0"/>
                <Setter Property="Template" Value="{StaticResource NormalTemplate}">
                </Setter>
                <Style.Triggers>
                    <Trigger Property="IsMouseOver" Value="True">
                        <Setter Property="Template" Value="{StaticResource MouseOverTemplate}"></Setter>
                    </Trigger>
                </Style.Triggers>
            </Style>
        </Grid.Resources>
        <telerik:RadGridView Name="RadGridView1"></telerik:RadGridView>
    </Grid>
</Window>
