private VM_ExamDetail ExamDetail_MyBind(M_Exam_Sys_Papers paperMod = null) { M_UserInfo mu = tuserBll.GetLogin(); if (Mid > 0) { paperMod = paperBll.SelReturnModel(Mid); } if (DateTime.Now < paperMod.p_BeginTime) { function.WriteErrMsg("还未到考试时间!"); return(null); } if (paperMod.p_endTime < DateTime.Now) { function.WriteErrMsg("考试时间已过!"); return(null); } if (string.IsNullOrEmpty(paperMod.QIDS)) { function.WriteErrMsg("该试卷没有添加题目!"); return(null); } VM_ExamDetail model = new VM_ExamDetail(mu, paperMod, Request); return(model); }