摘要:
Table1和Table2连接,把Table1的全列出来 var tempData = from a in table1 join b in table2 on a.Id ... 阅读全文
摘要:
Templist.ForEach(o =>{ var isSel = ReviewerFileRelationService.Where(s => s.PackageFileId == o.Id && s.ReviewerId == o.ContactId).AsQueryable().Firs... 阅读全文
摘要:
表一:表二:已知表一的List,想得到表二的结果:var query = from c in t.AsEnumerable() group c by new { pingming = c.Field... 阅读全文