public static DataTable Get_Inf_Merchant() { DataTable table = new DataTable(); try { string maxUpdatetime = null; if (string.IsNullOrEmpty(updatedatatimeMer) == false) { maxUpdatetime = updatedatatimeMer; updatedatatimeMer = null; } else { string max_time = null; max_time = dataAccess.Get_Max_UpdateTime_Mer(); if (max_time != null) { maxUpdatetime = max_time.ToString(); } } if (string.IsNullOrEmpty(maxUpdatetime) == false) { long MaxUpdateTime_T = long.Parse(maxUpdatetime); table = dataAccess.Get_inf_mer(maxUpdatetime); //table = dataAccess.Get_inf_mer_train(maxUpdatetime); } return(table); } catch (Exception ex) { classUpdateTerminalLogWriter.WriteLog("Error Get_Inf_Merchant(), " + ex.Message); table.Clear(); return(table); } }