c# 操作 Excel

OleDbConnection con = new OleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties='Excel 8.0;HDR=YES; IMEX=1';Data Source=c:/c.xls"); if (con.State != ConnectionState.Open) { con.Open(); } OleDbCommand cmd = new OleDbCommand(@"select f1 from [test$] ", con); OleDbDataAdapter da = new OleDbDataAdapter(); da.SelectCommand = cmd; DataSet ds = new DataSet(); da.Fill(ds);