Using In-Memory Data

Updated on Dec 16, 2025

The purpose of this tutorial is to show you how to populate a RadGridView with in-memory data.

The control will be bound to an ObservableCollection of Car objects. Each Car has a Name and Description.

• Create a new class named Car and add two properties - Name and Description. Both of the properties are of type string. Here is the source code:

C#

	public class Car
	{
	    public Car()
	    {
	    }
	
	    public Car(string name, string description)
	    {
	        this.Name = name;
	        this.Description = description;
	    }
	
	    public string Name
	    {
	        get;
	        set;
	    }
	
	    public string Description
	    {
	        get;
	        set;
	    }
	}

VB.NET

	Public Class Car
	
	    Public Sub New()
	    End Sub
	
	    Public Sub New(ByVal name As String, ByVal description As String)
	        Me.Name = name
	        Me.Description = description
	    End Sub
	
	    Private _Name As String
	    Public Property Name() As String
	        Get
	            Return _Name
	        End Get
	        Set(ByVal value As String)
	            _Name = value
	        End Set
	    End Property
	
	    Private _Description As String
	    Public Property Description() As String
	        Get
	            Return _Description
	        End Get
	        Set(ByVal value As String)
	            _Description = value
	        End Set
	    End Property
	End Class

• Create a new class named RadGridViewSampleData.

C#

	public class RadGridViewSampleData
	{
	    public RadGridViewSampleData()
	    {
	        Cars = new ObservableCollection<Car>();
	        Cars.Add(new Car("BMW", "A german luxury car."));
	        Cars.Add(new Car("Porsche", "A german sports car."));
	        Cars.Add(new Car("Citroen", "A french luxury car."));
	        Cars.Add(new Car("Renault", "A french family car."));
	    }
	
	    public ObservableCollection<Car> Cars
	    {
	        get;
	        set;
	    }
	}

VB.NET

	Public Class RadGridViewSampleData
	    Public Sub New()
	        Cars = New ObservableCollection(Of Car)()
	        Cars.Add(New Car("BMW", "A german luxury car."))
	        Cars.Add(New Car("Porsche", "A german sports car."))
	        Cars.Add(New Car("Citroen", "A french luxury car."))
	        Cars.Add(New Car("Renault", "A french family car."))
	    End Sub
	
	    Private _Cars As ObservableCollection(Of Car)
	    Public Property Cars() As ObservableCollection(Of Car)
	        Get
	            Return _Cars
	        End Get
	        Set(ByVal value As ObservableCollection(Of Car))
	            _Cars = value
	        End Set
	    End Property
	End Class

• Declare the RadGridViewSampleData object as a resource in your application.

XAML

	<Grid.Resources>
	    <my:RadGridViewSampleData x:Key="DataSource"/>
	</Grid.Resources>

• Update your RadGridView declaration - set the ItemsSource property.

XAML

	<telerik:RadGridView x:Name="radGridView" ItemsSource="{Binding Source={StaticResource DataSource}, Path=Cars}"/>

Run your demo, the result can be seen on the next picture:

If you need to define the columns manually read the topic Defining Columns.

See Also

• Loading Data from XML

• Loading Data from WCF Services

• Loading Data from ADO.NET Services