Set Column and Row index when adding Controls to a Grid
<Window x:Class="LayoutPanels.SimpleGrid" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="SimpleGrid" Height="300" Width="300" > <Grid ShowGridLines="True"> <Grid.RowDefinitions> <RowDefinition></RowDefinition> <RowDefinition></RowDefinition> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition></ColumnDefinition> <ColumnDefinition></ColumnDefinition> <ColumnDefinition></ColumnDefinition> </Grid.ColumnDefinitions> <Button Grid.Row="0" Grid.Column="0">Top Left</Button> <Button Grid.Row="0" Grid.Column="1">Middle Left</Button> <Button Grid.Row="1" Grid.Column="2">Bottom Right</Button> <Button Grid.Row="1" Grid.Column="1">Bottom Middle</Button> </Grid> </Window>