/C#/C# linq distinct group by nested list

C# linq distinct group by nested list

var result = hotels.SelectMany(hotel => hotel.RoomType.Select(room => new { Id = room.RoomId, Hotel = hotel }))
                   .GroupBy(item => item.Id)
                   .Select(group => group.FirstOrDefault());

Source: stackoverflow.com

Similar codes

2 votes93 views1 answer
For each textbox c#
C#
1 vote116 views1 answer
How to search for a string from readline in c#
C#
0 vote152 views1 answer
Google script get font color
C#
0 vote121 views2 answers
Unity screentoworldpoint
C#
0 vote97 views1 answer
How to set foreground from code wpf
C#
0 vote91 views1 answer
Unity get max occurrence in list
C#
1 vote108 views1 answer
Animations for pause menu
C#
0 vote97 views1 answer
C# iorderedenumerable to dictionary
C#
0 vote100 views1 answer
C# get executing method name
C#
21 votes118 views4 answers
C# join string array
C#