Linq支持延迟加载? [英] Linq Supports Lazy loading?
问题描述
请帮助我,
实体框架工作默认支持延迟加载。
Entity frame work default support Lazy Loading.
Linq的Lazy加载支持怎么样。
What about Lazy loading support by Linq.
问候
Krrish
推荐答案
LINQ可以通过多种方式工作,具体取决于它的选择(LINQ到实体,LINQ到对象等),但在所有方面它使用延迟执行的情况。
LINQ can work in a variety of ways depending on what its selecting from (LINQ to entities, LINQ to objects etc), but in all cases it uses deferred execution.
也就是说,当你声明一个LINQ语句时,在它需要之前什么也没有实际执行。通常,这是在您开始枚举查询时(或使用诸如"Count"之类的聚合函数)。
That is, when you declare a LINQ statement, nothing actually executes until it needs to. Generally this is when you start enumerating the query (or use an aggregate function such as "Count").
仅在此时LINQ查询"执行内容",其中包括访问它需要的任何属性。如果这些属性以惰性方式声明,那么此时它们也将被评估。
It is only at this point that the LINQ query "does stuff", which includes accessing any properties that it needs to. If these properties are declared in a lazy way then it is at this point that they will be evaluated as well.
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