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unable to access the selected image in the listbox

.xaml code:

XML
<listbox x:name="listBox" margin="10,282,0,0" grid.columnspan="2" xmlns:x="#unknown">
     
                        <listbox.itemspanel>
                        <itemspaneltemplate>
                            <wrappanel flowdirection="LeftToRight" itemwidth="120" itemheight="120" />
                        </itemspaneltemplate>
                    </listbox.itemspanel>
                    <listbox.itemtemplate>
                        <datatemplate>
                            <Button x:Name="b" Click="b_Click_1" Width="120" Height="120" >
                                <Image HorizontalAlignment="Left" 
                                Margin="-10,-10,-10,-10" 
                                x:Name="image1" 
                                Stretch="Fill" 
                                VerticalAlignment="Top" Source="{Binding}"/>
                            </Button>
                            
                        </datatemplate>
                    </listbox.itemtemplate>
                </listbox>


.cs code:

C#
  private void b_Click_1(object sender, RoutedEventArgs e)
   {
         try
       {
           MessageBoxResult a = MessageBox.Show("Are you want to upload", "Photo Upload", MessageBoxButton.OKCancel);
           if (a == MessageBoxResult.OK)
           {
System.Drawing.Image b1 = (sender as Button).DataContext as System.Drawing.Image;
          }
       }
   }


In the above code of .cs file 'b1' is showing 'null' value even after i click on the image.
Posted
Updated 30-Jul-13 2:04am
v2
Comments
Clifford Nelson 30-Jul-13 15:55pm    
I would stop the code in the debugger and look at the button and it's data context. Also, you should just cast, not use the sender as Button.

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