c# - Students.Where(x=>x.City == "Lahore").ToList(); 之间的差异Students.ToList().Where(x=>x.City == "Lahore");-6ren

x.City == "Lahore");-6ren"> x.City == "Lahore");-这些 linq 查询有什么区别: Students.Where(x=>x.City == "Lahore").ToList(); Students.ToList().Where(x=>x.City =-6ren">

c# - Students.Where(x=>x.City == "Lahore").ToList(); 之间的差异Students.ToList().Where(x=>x.City == "Lahore");

转载作者：太空宇宙更新时间：2023-11-03 23:13:56

这些 linq 查询有什么区别:

Students.Where(x=>x.City == "Lahore").ToList();

Students.ToList().Where(x=>x.City == "Lahore");

最佳答案

如果 Students 是可查询的:

Students.Where(x=>x.City == "Lahore").ToList();

这将对数据库进行过滤，并且:

Students.ToList().Where(x=>x.City == "Lahore");

会在内存中过滤。

关于c# - Students.Where(x=>x.City == "Lahore").ToList(); 之间的差异Students.ToList().Where(x=>x.City == "Lahore");，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/37917245/