System.Data.OleDb.OleDbConnection ExcelConnection = new System.Data.OleDb.OleDbConnection(connectionString);
//Create the command to be executedExcelCommand =
Properties=\"Excel 12.0;\""; string ExcelQueryLANDED_ON,FORMAT(RECDATE,'dd/MM/yyyy') as RECDATE,* from [Sheet1$]";
ExcelCommand = new OleDbCommand(ExcelQuery