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Asked: 2026-05-14T19:10:52+00:00

How do I put a border on my grid in C#/WPF? This is what

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How do I put a border on my grid in C#/WPF?

This is what I would like it to be, but puts a border around the whole thing instead of the grid control I put in my application.

<Grid>
    <Border BorderBrush="Black" BorderThickness="2">
        <Grid Height="166" HorizontalAlignment="Left" Margin="12,12,0,0" Name="grid1" VerticalAlignment="Top" Width="479" Background="#FFF2F2F2" />
    </Border>
... and so on ...
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1 Answer

  1. Editorial Team

    If you just want an outer border, the easiest way is to put it in a Border control:

    <Border BorderBrush="Black" BorderThickness="2">
    <Grid>
       <!-- Grid contents here -->
    </Grid>
</Border>

    The reason you’re seeing the border completely fill your control is that, by default, it’s HorizontalAlignment and VerticalAlignment are set to Stretch. Try the following:

    <Grid>
    <Border  HorizontalAlignment="Left" VerticalAlignment="Top"  BorderBrush="Black" BorderThickness="2">
        <Grid Height="166" HorizontalAlignment="Left" Margin="12,12,0,0" Name="grid1" VerticalAlignment="Top" Width="479" Background="#FFF2F2F2" />
    </Border>
</Grid>

    This should get you what you’re after (though you may want to put a margin on all 4 sides, not just 2…)

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