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How to populate SfDataGrid with JSON data?

Platform: Xamarin.Android |
Control: SfDataGrid |
Published Date: July 6, 2017 |
Last Revised Date: April 6, 2020

JSON data cannot be bound directly to SfDataGrid. To bind SfDataGrid with JSON data, we must deserialize the JSON data to a bindable format. You can use the open source NuGet Newtonsoft.Json to serialize and deserialize JSON objects.

JSON data can be parsed into an ExpandoObject using JsonConvert.DeserializeObject List<ExpandoObject>(json_object).

Refer the below example in which the ExpandoObject list is converted to an ObservableCollection and bound to a SfDataGrid.

ViewModel.cs

public class ViewModel
{
        public const string jsonData = "[{\"OrderID\":1,\"EmployeeID\":100,\"FirstName\":'Gina',\"LastName\":'Gable'}," +
                                       "{\"OrderID\":2,\"EmployeeID\":200,\"FirstName\":'Danielle',\"LastName\":'Rooney'}," +
                                      "{\"OrderID\":3,\"EmployeeID\":300,\"FirstName\":'Frank',\"LastName\":'Gable'},]"; 
                            
        public ObservableCollection<dynamic > DynamicCollection { get; set; }
        public List<ExpandoObject> DynamicJsonCollection { get; set; }
 
        public ViewModel()
        {
DynamicJsonCollection = JsonConvert.DeserializeObject<List<ExpandoObject>>(jsonData);            DynamicCollection = PopulateData();
        }
 
        private ObservableCollection<dynamic > PopulateData()
        {
            var data = new ObservableCollection<dynamic>();
            foreach (var item in DynamicJsonCollection)
            {
                data.Add(item);
            }
            return data;
        }
}

 

MainPage.cs

You can set the deserialized data to the SfDataGrid as shown below.

public class MainActivity : Activity
{
      SfDataGrid grid;
      ViewModel viewModel;
      protected override void OnCreate(Bundle bundle)
      {
            base.OnCreate(bundle);
            grid = new SfDataGrid(BaseContext);
            viewModel = new ViewModel();
            grid.AllowSorting = true;
            grid.AutoGenerateColumns = false;
            grid.ColumnSizer = ColumnSizer.Star;
            grid.ItemsSource = viewModel.DynamicCollection;
            grid.Columns.Add(new GridTextColumn()
            {
                HeaderText = "Order ID",
                MappingName = "OrderID",
                LineBreakMode = LineBreakMode.WordWrap,
                TextAlignment = Android.Views.GravityFlags.Left,
                HeaderTextAlignment = Android.Views.GravityFlags.Left,
            });
 
            grid.Columns.Add(new GridTextColumn()
            {
                HeaderText = "Customer ID",
                MappingName = "EmployeeID",
                LineBreakMode = LineBreakMode.WordWrap,
                TextAlignment = Android.Views.GravityFlags.Left,
                HeaderTextAlignment = Android.Views.GravityFlags.Left,
            });
 
            grid.Columns.Add(new GridTextColumn()
            {
                HeaderText = "First Name",
                MappingName = "FirstName",
                LineBreakMode = LineBreakMode.WordWrap,
                TextAlignment = Android.Views.GravityFlags.Left,
                HeaderTextAlignment = Android.Views.GravityFlags.Left,
            });
 
            grid.Columns.Add(new GridTextColumn()
            {
                HeaderText = "Last Name",
                MappingName = "LastName",
                LineBreakMode = LineBreakMode.WordWrap,
                TextAlignment = Android.Views.GravityFlags.Left,
                HeaderTextAlignment = Android.Views.GravityFlags.Left,
            });
 
         SetContentView (grid);
     }
}

 

View sample in GitHub

 

 

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