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Ҫ֪Linq Щ֪ʶ,аٶ; ԼϵIJѯ,ɸѡ,,µĶ ϵӲѯ Linq to SQL ,ԽSQLѯȲ, ԺԲͬݿ֮IJ; Ҫ֪ܶ˲sql,˵ͬݿsql...

09ʱӢİPro LINQ: Language Integrated Query in C# 2008 оѶߵ linq to entitiseFiled ֮ȥǸlinq in actionоݺdz һϲͨߣּʹlinqԱȽʺ linqʵս...

˾ֵĻwindowformϿһߵֲ(ߵȥʵվwebӿ)Ӧðc#Ĵ̣̣ݿ֪ʶ webĿĻľŹϵͳˣ

Կ http://www.cnblogs.com/wangiqngpei557/category/421145.html дLINQͿĴΣдͿ ˽⣬Ϳܽܰ

http://zhidao.baidu.com/question/387143427.html?an=0&si=3&wtp=wk °ɡ㶮ҿˣǺǡ

һҪŪ鼮ڰٶĿһЩϣ󲿷ֶ鼮ĵʽPPTμ֮ģҲѧϰLinqǰʹĿصģ֪ʶȫ棬ORMûоĿҲ԰æɣ

оٵЩؼʣһ֣ȫ潲Щ LINQûݿ⣬ʵûҪȥѧ lamdbaṩʽԣ֧ormϵӳ䣩 wcfwebһ֣и߼׶βŻõ wpf/silver...

linqǿʵjoinġ磺var query = from c in customers join o in orders on c.CustomerId equals o.CustomerId where o.OrderId == 2 select c;

LinqLinq to DataSetIJ֣򵥽LinqC#õһֲѯ䣬ʵʹõLinq to DataSetתEnumerable.SelectMany().OrderBy()ģôLinq to ObjectIEnumerableLinq to DataSet...

Ĵû⣬ѾύݿˣȻôͨѯĵأҹԭȾSQLϺ̨Ȼִкٴһ±Ϊԭûأ㿴ϴεĽ

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