[DefaultValue("")]
[DXCategory("Data")]
public virtual string DataMember { get; set; }

<DefaultValue("")>
<DXCategory("Data")>
Public Overridable Property DataMember As String

private void Form1_Load(object sender, EventArgs e)
{
    gridControl1.DataMember = "Customers";
    gridControl1.DataSource = CreateDataSourceFromWeb();
}

private JsonDataSource CreateDataSourceFromWeb()
{
    var jsonDataSource = new JsonDataSource();
    //Specify the data source location 
    jsonDataSource.JsonSource = new UriJsonSource(new Uri("https://raw.githubusercontent.com/DevExpress-Examples/DataSources/master/JSON/customers.jso"));

    jsonDataSource.Fill();
    return jsonDataSource;
}

Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs)
    gridControl1.DataMember = "Customers"
    gridControl1.DataSource = CreateDataSourceFromWeb()
End Sub

Private Function CreateDataSourceFromWeb() As JsonDataSource
    Dim jsonDataSource = New JsonDataSource()
    'Specify the data source location 
    jsonDataSource.JsonSource = New UriJsonSource(New Uri("https://raw.githubusercontent.com/DevExpress-Examples/DataSources/master/JSON/customers.jso"))

    jsonDataSource.Fill()
    Return jsonDataSource
End Function

gridControl1.DataSource = null;
gridControl1.DataMember = null;
gridView1.Columns.Clear();

gridControl1.DataSource = ds;
    gridControl1.DataMember = ds.Tables[0].TableName;
}

Grid.DataSource = ds;
    Grid.DataMember = "customQuery1";
}

gridControl.DataSource = await SqlDataSourceProvider.Instance.GetDataAsync();
gridControl.DataMember = "AzureQuery";
gridView.BestFitColumns();

this.GridControl.DataSource = ds;
this.GridControl.DataMember = "Orders";
this.GridView.ActiveFilterCriteria = CriteriaOperator.Parse("Freight > 0");

gridControl1.DataSource = Nothing
gridControl1.DataMember = Nothing
gridView1.Columns.Clear()

gridControl1.DataSource = ds
    gridControl1.DataMember = ds.Tables(0).TableName
End Sub

Grid.DataSource = ds
    Grid.DataMember = "customQuery1"
End Sub

gridControl.DataSource = Await SqlDataSourceProvider.Instance.GetDataAsync()
gridControl.DataMember = "AzureQuery"
gridView.BestFitColumns()

GridControl.DataSource = ds
GridControl.DataMember = "Orders"
GridView.ActiveFilterCriteria = CriteriaOperator.Parse("Freight > 0")