2021
05-15
05-15
C# Linq延迟查询的执行实例代码
C#Linq延迟查询在定义linq查询表达式时,查询是不会执行,查询会在迭代数据项时运行。它使用yieldreturn语句返回谓词为true的元素。varnames=newList<string>{"Nino","Alberto","Juan","Mike","Phil"};varnamesWithJ=fromninnameswheren.StartsWith("J")orderbynselectn;Console.WriteLine("Firstiteration");foreach(stringnameinnamesWithJ){...
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