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Model层 public class Song { private string _artistName; private string _songTitle; public string SongTitle { get { return _songTitle; } set { _songTitl 阅读全文
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http://www.codeproject.com/Articles/165368/WPF-MVVM-Quick-Start-Tutorial这篇文章醍醐灌顶,入门良药啊!IntroductionAssuming that you have a decent understanding of C#... 阅读全文
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定义表变量是可以直接操作在内存中的数据,比较快。临时表在大数据量时会比游标使用的资源少。还是要看具体情况了。也有可能在实际优化过程中相互替换呢。留作记忆的代码如下: 1 if object_id('tempdb..#Tmp') is not null 2 Begin 3 drop ta... 阅读全文