屏幕分辨率无法正确显示网格

我在笔记本电脑上创建了一个简单的应用程序，分辨率为1440x900，文本大小为应用程序100％（在设置中设置菜单屏幕）。当我在1920x1080分辨率和125％的平板电脑上运行该应用程序时，网格显示不正确。对：

错误的：

如果我的平板电脑以100％或175％的比例更改了app的字体大小，则网格将正确显示。

谢谢你

编辑：这是代码xaml：

<Grid x:Name="Grid">
        <Grid.RowDefinitions>
            <RowDefinition Height="60"></RowDefinition>
            <RowDefinition Height="60"></RowDefinition>
            <RowDefinition Height="60"></RowDefinition>
            <RowDefinition Height="60"></RowDefinition>
            <RowDefinition Height="60"></RowDefinition>
            <RowDefinition Height="60"></RowDefinition>
          </Grid.RowDefinitions>

        <Border Grid.Row="0" BorderBrush="#F2F2F2" BorderThickness="0,0.1,0,0.1">
            <Line Stroke="#E9E9E9" X1="0" X2="400" Y1="30" Y2="30"  StrokeThickness="1" StrokeDashArray="6" StrokeDashCap="Flat" />
        </Border>

        <Border Grid.Row="1" BorderBrush="#F2F2F2" BorderThickness="0,0.1,0,0.1">
            <Line Stroke="#E9E9E9" X1="0" X2="400" Y1="30" Y2="30"  StrokeThickness="1" StrokeDashArray="6" StrokeDashCap="Flat" />

        </Border>

        <Border Grid.Row="2" BorderBrush="#F2F2F2" BorderThickness="0,0.1,0,0.1">
            <Line Stroke="#E9E9E9" X1="0" X2="400" Y1="30" Y2="30"  StrokeThickness="1" StrokeDashArray="6" StrokeDashCap="Flat" />

        </Border>
        <Border Grid.Row="3" BorderBrush="#F2F2F2" BorderThickness="0,0.1,0,0.1">
            <Line Stroke="#E9E9E9" X1="0" X2="400" Y1="30" Y2="30"  StrokeThickness="1" StrokeDashArray="6" StrokeDashCap="Flat" />

        </Border>
        <Border Grid.Row="4" BorderBrush="#F2F2F2" BorderThickness="0,0.1,0,0.1">
            <Line Stroke="#E9E9E9" X1="0" X2="400" Y1="30" Y2="30"  StrokeThickness="1" StrokeDashArray="6" StrokeDashCap="Flat" />

        </Border>
       <Border Grid.Row="5" BorderBrush="#F2F2F2" BorderThickness="0,0.1,0,0.1">
            <Line Stroke="#E9E9E9" X1="0" X2="400" Y1="30" Y2="30"  StrokeThickness="1" StrokeDashArray="6" StrokeDashCap="Flat" />

        </Border>