??????? public static System.Data.DataSet ExcelConnection(string filepath, string exName, string tableName, out string errmsg)
??????? {
??????????? errmsg = "";
??????????? string strCon = "";
??????????? if (exName == ".xls")
??????????????? strCon = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + filepath + ";Extended Properties='Excel 8.0;HDR=YES;IMEX=1'";
??????????? if (exName == ".xlsx")
??????????????? strCon = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + filepath + ";Extended Properties=\"Excel 12.0;HDR=YES\"";

??????????? System.Data.OleDb.OleDbConnection ExcelConn = new System.Data.OleDb.OleDbConnection(strCon);
??????????? try
??????????? {
??????????????? ExcelConn.Open();
??????????????? DataTable dt = ExcelConn.GetOleDbSchemaTable(System.Data.OleDb.OleDbSchemaGuid.Tables, null);
??????????????? if (dt == null)
??????????????????? return null;
??????????????? string excelSheet = dt.Rows[0]["TABLE_NAME"].ToString();

??????????????? string strCom = string.Format("SELECT * FROM [" + excelSheet + "]");

??????????????? System.Data.OleDb.OleDbDataAdapter myCommand = new System.Data.OleDb.OleDbDataAdapter(strCom, ExcelConn);
??????????????? DataSet ds = new DataSet();
??????????????? myCommand.Fill(ds, tableName);
??????????????? ExcelConn.Close();
??????????????
??????????????? return ds;
??????????? }
??????????? catch(Exception ex)
??????????? {
??????????????? errmsg = ex.Message;
??????????????? ExcelConn.Close();
??????????????? return null;
??????????? }
??????? }

Excel導入數據庫，兼容Excel2003,2007