您可以为此使用分组.请参阅: http://msdn.microsoft.com/en-us/library/bb896250.aspx [^ ]

例如:

You can use grouping for that. See: http://msdn.microsoft.com/en-us/library/bb896250.aspx[^]

For example:

var dataSource = (from t in context.Tags
                  group t by t.Description into t_group
                  select new
                  {
                        Name = t_group.Key,
                        Count = t_group.Count()
                  });