private void DemonstrateRowState()

{

    // Run a function to create a DataTable with one column.

    DataTable table = MakeTable();

    DataRow row;

    // Create a new DataRow.

    row = table.NewRow();

    // Detached row.

    Console.WriteLine("New Row " + row.RowState);

    table.Rows.Add(row);

    // New row.

    Console.WriteLine("AddRow " + row.RowState);

    table.AcceptChanges();

    // Unchanged row.

    Console.WriteLine("AcceptChanges " + row.RowState);

    row["FirstName"] = "Scott";

    // Modified row.

    Console.WriteLine("Modified " + row.RowState);

    row.Delete();

    // Deleted row.

    Console.WriteLine("Deleted " + row.RowState);

}

private DataTable MakeTable()

{

    // Make a simple table with one column.

    DataTable table = new DataTable("table");

    DataColumn dcFirstName = new DataColumn(

        "FirstName", Type.GetType("System.String"));

    table.Columns.Add(dcFirstName);

    return table;

}