linq例項 Group的使用

新建使用者類：

using system;

using system.collections.generic;

using system.linq;

using system.text;

public string firstname

private set

}public string lastname

private set

}public user(string firstname, string lastname)}}

使用linq

using system;

using system.collections.generic;

using system.componentmodel;

using system.data;

using system.drawing;

using system.linq;

using system.text;

using system.windows.forms;

private void button1_click(object sender, eventargs e)

,",b.lastname, b.firstname));  

}  }}}

linq例項 Group的使用（三）

測試用的class。public class user private set public string lastname private set public user string firstname,string lastname linq的例子 準備資料。user users new us...

linq例項 Group的使用（三）

測試用的class。public class user private set public string lastname private set public user string firstname,string lastname linq的例子 準備資料。user users new us...

linq例項 Join的使用（四）

測試的class。public class user private set public string lastname private set public int id private set public user string firstname,string lastname,int i...