1.Linq单条件查询
var xxfDate = from u in dbContext.Customer
where u.Id > 0
select u.CusName;
2.Linq多条件查询
var xxfDate = from u in dbContext.Customer
where u.Id > 0
select new { u.Id,u.CusName};
3.lambda多条件表达式
var xxfData = dbContext.Customer.Where(u => u.Id > 0).Select(u => new { u.Id, xxfLie2 = u.CusName });