WPF Grid Left Whitish Removal - wpf

Question

I have populated a datagrid in WPF but i dont know its generating buttons type thing on left hand side of grid, i want to remove it, how i can remove it, any idea?
Here is screen shot :
Here is my xaml code:
<DataGrid Name="Patients" SelectedValuePath="patientid" CanUserResizeRows="False" Background="#942E2A" GridLinesVisibility="None" HorizontalGridLinesBrush="#73261E" BorderBrush="#73261E" BorderThickness="5" SelectionChanged="Patients_SelectionChanged" ItemsSource="{Binding}" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="10" AutoGenerateColumns="False" Height="400" Width="340">
<DataGrid.Resources>
<Style TargetType="{x:Type DataGridColumnHeader}">
<Setter Property="Background" Value="#942E2A" />
<Setter Property="FontSize" Value="18" />
<Setter Property="Width" Value="150" />
<Setter Property="FontFamily" Value="Georgia" />
<Setter Property="Foreground" Value="White" />
<Setter Property="FontWeight" Value="Bold" />
</Style>
<Style TargetType="DataGridRow">
<Setter Property="Background" Value="#942E2A" />
<Setter Property="FontSize" Value="14" />
<Setter Property="FontFamily" Value="Georgia" />
<Setter Property="Foreground" Value="White" />
<Style.Triggers>
<Trigger Property="IsSelected"
Value="True">
<Setter Property="BorderBrush"
Value="White" />
<Setter Property="BorderThickness"
Value="2" />
<Setter Property="Background"
Value="White" />
<Setter Property="Foreground" Value="Black"></Setter>
</Trigger>
</Style.Triggers>
</Style>
</DataGrid.Resources>
<DataGrid.Columns>
<DataGridTemplateColumn Header="Patient ID" SortMemberPath="patientid" Width="Auto" MinWidth="100" >
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Grid>
<Grid.Style>
<Style>
</Style>
</Grid.Style>
<TextBlock Text="{Binding Path=patientid}">
</TextBlock>
</Grid>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
<DataGridTemplateColumn Header="Last, First" SortMemberPath="name" Width="Auto" MinWidth="100" >
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Grid>
<Grid.Style>
<Style>
</Style>
</Grid.Style>
<TextBlock Text="{Binding Path=name}"></TextBlock>
</Grid>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
</DataGrid.Columns>
</DataGrid>

Answer 1

A bit strange but rows have a Header. That's what you see. Setting the visibility of the column header only will solve your Problem:
HeadersVisibility="Column"