What happens in case views are used

Hi,

could you provide more details or a sample application illustrating the issues you are experiencing.

Regards,

Grid should show

The one that I have highlighted in Yellow should be shown in textbox and when edit is clicked Combo should be populated with the data in ViewY with default selected

I am able to get the data in combo correctly with no default selected and not able to show textbox to show the ones in yellow in grid

Can you show how the Textblock would look like?

Hi,

your TemplateColumn's ItemTemplate should look something like this:

<ig:TemplateColumn.ItemTemplate>
    <DataTemplate>
        <TextBlock Text="{Binding Path=YID,
                        Converter={StaticResource yourConverter},
                        ConverterParameter={StaticResource ViewYData}}" />
    </DataTemplate>
</ig:TemplateColumn.ItemTemplate>

and the value converter should like something like: 

public class LookupValueConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
    {
        var viewY = parameter as Dictionary<int, string>;

        return viewY[(int)value];
    }

    public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
    {
        throw new NotImplementedException();
       //You don't need to ConvertBack since TextBlock is not an editor control
    }
}


HTH

Yes I have added the reference correctly

For somereason when i run the application I get error Provide value on 'System.Windows.Data.Binding' and this is on same line where i give the Converter

What does the ElementName signify

Also I dont get intellisence for FirstOrDefault

Hello,

I have checked the sample you provided. I was not able to debug it and to make sure everything works. However I got the general idea. Here are few pointers:

You need to provide the DetailsTable1(or DetailsView1 - don't know are they different) - basically you need to provide  ConverterParameter the table that is mapping Id to TextDescription. Your TextBlock code should look something like this:

<TextBlock Text="{Binding Path=detailid1,
    Converter={StaticResource LookupValueConverter},
    ConverterParameter={Binding ElementName=LayoutRoot, Path=DataContext.DetailsView1}}" />

After that in the Converter you look up the parameter(you should know and cast to the type it is). The Convert method should look :

public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)  
{
    var viewY = parameter as EntitySet<DetailsView1>;

    return viewY.FirstOrDefault(row => row.Id == (int)value).Description;
}

HTH,