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LINQ Group 问题
原标题:LINQ Group By problem

我正在使用VB。 NET和数据表;我有两个表格和一个链接。 I m querying the first table, but I can t use Group by on any field of the table. 这里我看到的错误是:

方法组的定义 无法从此获得

我的法典如下:

Dim Groups = From n In dataSetTableAsEnumerable _
   Group By n.filedName  Into Group

感谢任何援助。

问题回答

进口系统。 Linq在你手稿上。

你们需要告诉我们,你重新归类,例如:

 Dim Groups = From n In dataSetTableAsEnumerable _
              Group n By n.filedName  Into Group _
              Select Group

阁下: 第14类:,而不是仅限<代码> 按组别:





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