日期:2014-05-18 浏览次数:21249 次
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;
}