摘要: if(!string.IsNullOrEmpty(this.txtStudentName.Text)) { var text = ((int)Enum.Parse(typeof(ENUMTYPE),this.txtStudentName.Text)).ToString(); } 阅读全文
posted @ 2021-07-22 23:55 ♩♪♫♬ 阅读(110) 评论(0) 推荐(0)
摘要: long? maxCount = db.Database.SqlQuery<nullabled<long>>("select max(id) from [Student]").FirstOrDefault(); if(maxCount !=null) maxid = maxCount; maxid 阅读全文
posted @ 2021-07-22 23:24 ♩♪♫♬ 阅读(91) 评论(0) 推荐(0)