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Debugging Trick in XAML DataBinding

, 7 Jan 2011 CPOL
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Debugging XAML DataBinding
It is difficult to Debug the XAML data binding in WPF.
 
As a developer, we always tend to debug our programs when there are problems.
 
If something goes wrong like:
- No Data display
- Showing some wrong data
 
You need to debug and see:
- Whether the binding is successful
- Does data object have values
- and so on...
 
Here is the Trick to Debug the Data Binding of XAML.
 
All you need to do is create a Converter class.
 
Example:
public class DebugConverter : IValueConverter
{
        #region IValueConverter Members
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            return value;
        }
        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            return value;
        }
        #endregion
}
 
While binding the Data to the Control, use the DebugConverter as Converter.
 
Like, declaring the Converter in XAML:
 
<Window.Resources>
<conv:DebugConverter x:Key="debugConverter" />
</Window.Resources>
 
Assigning to the Control whether we need to Debug the DataBinding:
 
<ListBox ItemsSource="{Binding ElementName=windowObject, Path=CollectionOfString, Converter={StaticResource debugConverter}}"/>
 
Now place a Breakpoint at the Convert function. That's it.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Venkatesh Mookkan
Team Leader
Australia Australia
He is from a small village in Tirunelveli, TamilNadu (India). He is fun loving guy. He like to travel a lot. Bikes/Cars/Mobiles are his fantasies.
 
He started his career as a BPO Data Entry Assistant and got chance to work as an ASP.NET Programmer in the same company after a year. And he move to the next company in 2006 as Software Engineer.
 
He worked as a Team Leader in a private software development company @Chennai, India for 8+years.
 
Now working as a Consultant @Sydney, Australia.
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Comments and Discussions

 
GeneralMay be are right. But how many people knew it? Thanks for te... PinmemberVenkatesh Mookkan7-Jan-11 14:10 
GeneralReason for my vote of 1 There is already a built in mechanis... PinmemberSledgeHammer017-Jan-11 10:39 
GeneralIf you already using a Converter to do some basic operation,... PinmemberVenkatesh Mookkan7-Jan-11 5:22 
GeneralIt's not always helpful. Atleast, when you have an object of... PinmvpKunal_Chowdhury7-Jan-11 5:17 

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