string strConn; strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + filePath + ";Extended Properties='Excel 8.0;HDR=False;IMEX=1'"; OleDbConnection OleConn = new OleDbConnection(strConn); OleConn.Open(); System.Data.DataTable sheetNames = OleConn.GetOleDbSchemaTable(System.Data.OleDb.OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });//获得Excel表的架构信息 String sql = "SELECT * FROM [" + sheetNames.Rows[0]["TABLE_NAME"] + "]";//可是更改Sheet名称,比如sheet2,等等 OleDbDataAdapter OleDaExcel = new OleDbDataAdapter(sql, OleConn); DataSet OleDsExcle = new DataSet(); OleDaExcel.Fill(OleDsExcle); OleConn.Close(); return OleDsExcle;