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DisplayMemberPath not working with Arrays

Thread ID:





141043 Nov 20,2018 10:29 AM UTC Nov 22,2018 04:23 AM UTC Xamarin.Forms 3
Tags: SfComboBox
Thomas Loidolt
Asked On November 20, 2018 10:29 AM UTC


I want to add a list of classes at the DataSource and the class has a string[] property with name "Entries".
For example in the SfDataGrid I add as MappingName = "Entries[0]" and the Cell references to  any_object.Entries[0].

I hoped that it works simliar to DisplayMemberPath but I got not the same successful result.

Does anybody has a hint?

My code:


_comboBox = new SfComboBox();

_comboBox.IsEditableMode = false;

_comboBox.MaximumDropDownHeight = 200;

_comboBox.HeightRequest = 40;

Entries = new ObservableCollection<SelectionViewEntry>();

_comboBox.DataSource = this.Entries;

_comboBox.DisplayMemberPath = "Entries[0]";


public class SelectionViewEntry


public string[] Entries { get; set; }


Paul Anderson S [Syncfusion]
Replied On November 21, 2018 12:07 PM UTC

Hi Thomas Loidolt, 
Greetings from Syncfusion. 
We checked the given code snippet and when using String [] type for the data source it returns only the array object. We have also tested the same String [] type data with the ListView control and it also returned only the array object. We have prepared a sample on how to use a collection of a custom class and display the desired property using DisplayMemberPath. Please find the sample from the below link. 
For more information about using “DisplayMemberPath” property is given below: 
Please check our sample and let us know if you have any concerns. 
Paul Anderson 

Thomas Loidolt
Replied On November 21, 2018 03:40 PM UTC


your solution is not working for my requirements but I found another way to solve it:

public class SelectionViewEntry
public int ColumnIndex { get; set; }
public string Entry { get => Entries[ColumnIndex]; set => Entries[ColumnIndex] = value; }
public string[] Entries { get; set; }

And this is a working example of SfDataGrid and MappingName:

_dataGrid.Columns.Add(new GridTextColumn() { MappingName = "Features[" + i.ToString() + "]", HeaderText = item.Value.Value, TextAlignment = item.Value.HorizontalAlignment, FontAttribute = FontAttributes.Bold });


Paul Anderson S [Syncfusion]
Replied On November 22, 2018 04:23 AM UTC

Hi Thomas, 
Thanks for the update. We are glad that you have achieved your requirement. Please get in touch if you required further assistance. 
Paul Anderson 


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