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Multiple header on ListView Grouping


I have a listview  that i group by two levels. 

Super group 1
    _Group 1
         _item 1_1_0
         _item 1_1_1
    _Group 2
         _item 1_2_0
         _item 1_2_1
Super group 2
    _Group 1
         _item 1_1_0
         _item 1_1_1
    _Group 2
         _item 1_2_0
         _item 1_2_1

and I like to have two different grouping header (for superGroup and group). Is it possible to achieve  it?


3 Replies

DB Dinesh Babu Yadav Syncfusion Team January 3, 2017 01:46 PM UTC

Hi Customer, 
Thanks for using Syncfusion products. 
You can achieve your requirement “Multi-level grouping” by sample level. We need to do some changes in the source level to achieve the mentioned requirement. As this is the forum, we could not update you the patch for this. Hence, we have created an incident for your query  and you can login through the below link using your Direct-Trac credentials. 
Please let us know if you need any further assistance. 
Dinesh Babu Yadav 

JM Jonathan McComb March 27, 2017 06:30 AM UTC


Is this now available in a release?

Kind Regards,

MK Muthu Kumaran Gnanavinayagam Syncfusion Team March 28, 2017 12:00 PM UTC

Hi Jonathan, 
Thank you for contacting Syncfusion Support. 
Yes, we have included the fix to achieve the reported requirement “Multi-level grouping in SfListView” by sample level in our latest service pack release and you can download the same from the below link.  
And also, for your reference we have prepared the sample which illustrates to achieve the Multi-level grouping with SfListView and you can download it from the below location. 
In the above sample, we have used the converter to define the left margin of the GroupHeaderTemplate based on the Level of the group by which you can achieve the hierarchical structure like the below code example.    
Code example[XAML]:    
<local:GroupHeaderConvertor x:Key="TemplateConverter"/>    
<listView:SfListView x:Name="listViewItemsSource="{Binding contactsinfo}">    
<StackLayout BackgroundColor="#E4E4E4" Margin="{Binding Level,Converter={StaticResource TemplateConverter}}">    
<Label Text="{Binding Key}" FontSize="22" FontAttributes="Bold" VerticalOptions="Center"     
HorizontalOptions="Start" Margin="20,0,0,0" />    
Code example[C#]:    
public class GroupHeaderConvertor : IValueConverter    
  public object Convert(object value, Type targetType, object parameter, CultureInfo culture)    
    if ((int)value == 1)    
        return new Thickness(5, 5, 5, 0);    
        return new Thickness((int)value * 15, 5, 5, 0);    
  public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)    
    throw new NotImplementedException();    
Please let us know if you require further assistance. 
G.Muthu Kumaran. 

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