/C#/Converting dens_rank and row_number to linq

Converting dens_rank and row_number to linq

var result = data.GroupBy(item => new { item.OriginalDocumentNumber, item.FilterRound })
    .OrderBy(@group => @group.First().p2_FinalGrade)
    .AsEnumerable()
    .Select((@group, groupIndex) => new
    {
        Items = @group.Select((item, index) => new { Item = item, Index = ++index }),
        Rank = ++groupIndex
    })
    .SelectMany(v => v.Items, (s, i) => new
    {
        Data = i.Item,
        RankInGroup = i.Index,
        DenseRank = s.Rank
    }).ToList();

result.Where(item => item.Data.p2_FinalGrade == "d" ||
                        item.Data.p2_FinalGrade == "f")
      .Where(item => item.Data.OriginalDocumentNumber == "590200054")....

Source: stackoverflow.com

Similar codes

4 votes359 views6 answers
Variable
C#
3 votes292 views2 answers
C# ienumerable to list
C#
0 vote343 views1 answer
Unity ar scale
C#
35 votes323 views4 answers
C# Sleep
C#
7 votes356 views2 answers
Unity float from another script
C#Unity
5 votes302 views1 answer
C# random float between two numbers
C#
5 votes325 views3 answers
List search c#
C#
0 vote312 views1 answer
Create a list of 3 Orders c#
C#
1 vote316 views1 answer
Unity Rotate around the real center
C#
12 votes381 views2 answers
Doing void when gameobject setactive unity
C#Unity