C# in a Nutshell - PredicateBuilder

Extras Dynamically Composing Expression Predicates Suppose you want to write a LINQ to SQL or Entity Framework query that implements a keyword-style search. In other words, a query that returns rows whose description contains some or all of a given set of keywords. We can proceed as follows: IQueryable<Product> SearchProducts (params string[] keywords) { IQueryable<Product> query = dataContext.Pro

[mak_in]

式の合成の仕方

[JHashimoto]

動的LINQ

[man2_0324]

参考

[tlync]

LINQ to SQL & Entities で Expression, Lamda を使用して動的にクエリを組みたてる方法の紹介。Dynamic LINQ は文字列でクエリを構築するのでこちらの方が良いかも。

[yuji1982]

よく使うのでメモメモ