我想写一个参数,接受<代码>List<T>和DataRowCollection,作为价值,既可索引又可编号,但我不知道如何做到这一点。 是否可利用现有的班级和接口?
附录
您不能具体说明诸如<代码>T>的一类制约因素:[],没有索引人财产的通用接口。 <代码>List and DataRowCollection both are IE amountable and ICollection,但我假定,ttt=已使你受益很多。 因此,不可能具体指明“A类需要是一种指数化收集”。
<>Update: 我刚刚看到,<代码>DataRowCollection有一个<代码>List,将收集工作作为<代码>ArrayList,该编码为
<>Update 2 另一种选择:您可针对< 编码>IE 计数,并使用LinqElementAt(。 无法确定它是否将使用<代码>DataRowCollection的索引财产。
http://msdn.microsoft.com/en-us/library/6sh2ey19.aspx” rel=“nofollow”List<T>和DataRowlection/code><><>/code><<>>>>> 执行 因此,你可以根据这种方法需要做些什么加以利用。
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