my list-view doesn’t display images

Question

my image converter class

public sealed class ImageConverter : IValueConverter
{
public BitmapImage ConvertByteArrayToBitMapImage(byte[] imageByteArray)
{
if (imageByteArray == null) return null;
var byteBlob = imageByteArray as byte[];
var ms = new MemoryStream(byteBlob);
var bmi = new BitmapImage();
bmi.StreamSource = ms;
return bmi;
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
BitmapImage img = new BitmapImage();
if (value != null)
{
img = this.ConvertByteArrayToBitMapImage(value as byte[]);
}
return img;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return null;
}
}

databinding logic

string connection = ConfigurationManager.ConnectionStrings["POSconnection"].ConnectionString;
SqlConnection con = new SqlConnection(connection);
SqlCommand cmd = new SqlCommand("SP_Getsubitem", con);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@getname", "SALADS");
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataTable dt = new DataTable();
DataSet ds = new DataSet();
da.Fill(dt);
getdatas.ItemsSource = dt.DefaultView;

mylistview code in xaml

<ListView x:Name="getdatas" ItemsSource="{Binding}" Margin="-407,-270,47,120.2"
Grid.RowSpan="2">
<ListView.ItemContainerStyle>
<Style TargetType="ListViewItem">
<Setter Property="BorderThickness" Value="5"/>
<Setter Property="Margin" Value="10"/>
<Setter Property="Padding" Value="10"/>
</Style>
</ListView.ItemContainerStyle>
<ListView.ItemTemplate>
<DataTemplate>
<StackPanel Orientation="Horizontal">
<TextBlock Text="{Binding price}" />
<Image Height="300" Width="300" Source="{Binding ImageFile,
Converter={StaticResource ImageConverter}}" />
<TextBlock Text="{Binding ImageFile}" />
</StackPanel>
</DataTemplate>
</ListView.ItemTemplate>
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<UniformGrid Columns="5" HorizontalAlignment="Stretch"/>
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
</ListView>