How to get current cell value in GridView binding - wpf

Question

Having spent the last few hours with this rather simple problem, I haven't yet found a way to do it. I'm using a GridView to display some data and need to perform some customization of the cell values using a converter. Here is the relevant XAML:
<ListView ItemsSource="{Binding SomeDataTable}">
<ListView.View>
<GridView>
<GridViewColumn>
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding Path=XXX, Converter={StaticResource MyConverter}}" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
</GridView>
</ListView.View>
</ListView>
What do I need to write in place of XXX above?
N.B. I cannot put constant column name here because this DataTemplate is to be used by all columns of GridView. I need a way to refer to current cell value just like how GridView's default template works when using DisplayMemberBinding.
I found a relevant post here, but that also doesn't have any working answer.

Answer 1

One option is to use DisplayMemberBinding to create the GridViewColumns and then to define your TextBlock's style as a resource of your ListView and to use a converter there.
Given a scenario where I have a list of persons and I want to color all the cells based on the person's age:
Data item:
public class Person
{
public int Age { get; set; }
public string Name { get; set; }
public Person(int age, string name)
{
Age = age;
Name = name;
}
}
Creating the columns in XAML:
<ListView.View>
<GridView>
<GridViewColumn DisplayMemberBinding="{Binding Age}" />
<GridViewColumn DisplayMemberBinding="{Binding Name}" />
</GridView>
</ListView.View>
The converter which changes cell background based on the age:
public class MyConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if ((int) value < 20)
{
return Brushes.LightBlue;
}
return Brushes.LightGreen;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return value;
}
}
Using the converter:
<ListView.Resources>
<Style TargetType="TextBlock" BasedOn="{StaticResource {x:Type TextBlock}}">
<Setter Property="Background">
<Setter.Value>
<Binding Path="Age">
<Binding.Converter>
<local:MyConverter/>
</Binding.Converter>
</Binding>
</Setter.Value>
</Setter>
</Style>
</ListView.Resources>
Result:
Full XAML:
<ListView x:Name="MyItems" Loaded="MyItems_OnLoaded">
<ListView.Resources>
<Style TargetType="TextBlock" BasedOn="{StaticResource {x:Type TextBlock}}">
<Setter Property="Background">
<Setter.Value>
<Binding Path="Age">
<Binding.Converter>
<local:MyConverter/>
</Binding.Converter>
</Binding>
</Setter.Value>
</Setter>
</Style>
</ListView.Resources>
<ListView.View>
<GridView>
<GridViewColumn DisplayMemberBinding="{Binding Age}" />
<GridViewColumn DisplayMemberBinding="{Binding Name}" />
</GridView>
</ListView.View>
</ListView>