public static string TeachingClassStudent_List(string fileUrl, string OCClassID) { DataTable dt = new DataTable(); dt = NPOIHandler.ExcelToDataTable(fileUrl, "Student"); OCClassBLL oCClassBLL = new OCClassBLL(); List <OCClassStudent> newList = new List <OCClassStudent>(); string UserNos = ""; //int sucessnum = 0; //int lostNum = 0; //int allnum = dt.Rows.Count; for (int i = 0; i < dt.Rows.Count; i++) { //int result = oCClassBLL.OCClassStudent_Import(teachingclassid, dt.Rows[i]["UserNo"].ToString()); //if (result == 1) //{ // sucessnum++; //} //else if (result == 0) //{ // lostNum++; //} UserNos += dt.Rows[i]["UserNo"].ToString() + ","; } if (UserNos != "" && UserNos.IndexOf(',') > 0) { UserNos = UserNos.Substring(0, UserNos.Length - 1); } //return "成功导入学生:"sucessnum.ToString() + "@" + lostNum.ToString(); return(oCClassBLL.OCClassStudent_Import(UserNos, OCClassID)); //end检查用户 }