Public Class DataView
    Inherits MarshalByValueComponent
    Implements IBindingListView, IBindingList, IList, ICollection, _
    IEnumerable, ITypedList, ISupportInitializeNotification, ISupportInitialize

Dim instance As DataView

public class DataView : MarshalByValueComponent, IBindingListView, IBindingList, IList, 
    ICollection, IEnumerable, ITypedList, ISupportInitializeNotification, ISupportInitialize

public ref class DataView : public MarshalByValueComponent, IBindingListView, IBindingList, IList, 
    ICollection, IEnumerable, ITypedList, ISupportInitializeNotification, ISupportInitialize

public class DataView extends MarshalByValueComponent implements IBindingListView, IBindingList, 
    IList, ICollection, IEnumerable, ITypedList, ISupportInitializeNotification, 
    ISupportInitialize

public class DataView extends MarshalByValueComponent implements IBindingListView, IBindingList, 
    IList, ICollection, IEnumerable, ITypedList, ISupportInitializeNotification, 
    ISupportInitialize

Private Sub DemonstrateDataView()
    ' Create one DataTable with one column.
    Dim table As DataTable = New DataTable("table")
    Dim colItem As DataColumn = New DataColumn("item", _
        Type.GetType("System.String"))
    table.Columns.Add(colItem)

    ' Add five items.
    Dim NewRow As DataRow
    Dim i As Integer
    For i = 0 To 4
    
    NewRow = table.NewRow()
    NewRow("item") = "Item " & i
    table.Rows.Add(NewRow)
    Next
    table.AcceptChanges()

    ' Create two DataView objects with the same table.
    Dim firstView As DataView = New DataView(table)
    Dim secondView As DataView = New DataView(table)
    
    ' Change the values in the table.
    table.Rows(0)("item") = "cat"
    table.Rows(1)("item") = "dog"
    
    ' Print current table values.
    PrintTableOrView(table, "Current Values in Table")
        
    ' Set first DataView to show only modified versions of original rows.
    firstView.RowStateFilter = DataViewRowState.ModifiedOriginal

    ' Print values.    
    PrintTableOrView(firstView, "First DataView: ModifiedOriginal")

    ' Add one New row to the second view.
    Dim rowView As DataRowView
    rowView = secondView.AddNew()
    rowView("item") = "fish"
    ' Set second DataView to show modified versions of 
    ' current rows, or New rows.
    secondView.RowStateFilter = DataViewRowState.ModifiedCurrent _
        Or DataViewRowState.Added
    ' Print modified and Added rows.
    PrintTableOrView(secondView, _
        "Second DataView: ModifiedCurrent or Added")
End Sub
    
Overloads Private Sub PrintTableOrView( _
    ByVal view As DataView, ByVal label As String)
    Console.WriteLine(label)
    Dim i As Integer
    For i = 0 To view.count - 1
    
    Console.WriteLine(view(i)("item"))
    Next
    Console.WriteLine()
End Sub
    
Overloads Private Sub PrintTableOrView( _
    ByVal table As DataTable, ByVal label As String)
    Console.WriteLine(label)
    Dim i As Integer
    For i = 0 To table.Rows.Count - 1
    Console.WriteLine(table.Rows(i)("item"))
    Next
    Console.WriteLine()
End Sub

private void DemonstrateDataView()
{
    // Create one DataTable with one column.
    DataTable table = new DataTable("table");
    DataColumn colItem = new DataColumn("item",
        Type.GetType("System.String"));
    table.Columns.Add(colItem);

    // Add five items.
    DataRow NewRow;
    for(int i = 0; i <5; i++)
    {
        NewRow = table.NewRow();
        NewRow["item"] = "Item " + i;
        table.Rows.Add(NewRow);
    }
    // Change the values in the table.
    table.Rows[0]["item"]="cat";
    table.Rows[1]["item"] = "dog";
    table.AcceptChanges();
 
    // Create two DataView objects with the same table.
    DataView firstView = new DataView(table);
    DataView secondView = new DataView(table);
 
    // Print current table values.
    PrintTableOrView(table,"Current Values in Table");

    // Set first DataView to show only modified 
    // versions of original rows.
    firstView.RowStateFilter=DataViewRowState.ModifiedOriginal;

    // Print values.   
    PrintTableOrView(firstView,"First DataView: ModifiedOriginal");

    // Add one New row to the second view.
    DataRowView rowView;
    rowView=secondView.AddNew();
    rowView["item"] = "fish";

    // Set second DataView to show modified versions of 
    // current rows, or New rows.
    secondView.RowStateFilter=DataViewRowState.ModifiedCurrent 
        | DataViewRowState.Added;
    // Print modified and Added rows.
    PrintTableOrView(secondView, 
        "Second DataView: ModifiedCurrent | Added");
}
 
private void PrintTableOrView(DataTable table, string label)
{
    // This function prints values in the table or DataView.
    Console.WriteLine("\n" + label);
    for(int i = 0; i<table.Rows.Count;i++)
    {
        Console.WriteLine("\table" + table.Rows[i]["item"]);
    }
    Console.WriteLine();
}
 
private void PrintTableOrView(DataView view, string label)
{
 
    // This overload prints values in the table or DataView.
    Console.WriteLine("\n" + label);
    for(int i = 0; i<view.Count;i++)
    {
        Console.WriteLine("\table" + view[i]["item"]);
    }
    Console.WriteLine();
}