DataTable has a method called GetChanges which returns all changes made to the table after the last AcceptChanges is called.
see
here[
^] for more
[Code sample]
private void UpdateDataTable(DataTable table,
OleDbDataAdapter myDataAdapter)
{
DataTable xDataTable = table.GetChanges();
if (xDataTable.HasErrors)
{
}
myDataAdapter.Update(xDataTable);
}