OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data Source=C:\\Documents and Settings\\Administrator\\My Documents\\Success.mdb;");
DataSet myDatset = new DataSet();
string comanderStr = "select * from 行政区划";
conn.Open();
OleDbDataAdapter myAdpt = new OleDbDataAdapter(comanderStr, conn);
myAdpt.Fill(myDatset,"行政区划");
所属村comboBox.DataSource = myDatset;
所属村comboBox.DisplayMember = "行政区划.fname";
所属村comboBox.ValueMember = "行政区划.fname";
conn.Close();