Warning: file_get_contents(/data/phpspider/zhask/data//catemap/9/csharp-4.0/2.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Asp.net 使用C查找Linq to SQL中的大多数实例#_Asp.net_C# 4.0_Linq To Sql - Fatal编程技术网

Asp.net 使用C查找Linq to SQL中的大多数实例#

Asp.net 使用C查找Linq to SQL中的大多数实例#,asp.net,c#-4.0,linq-to-sql,Asp.net,C# 4.0,Linq To Sql,我有下面的查询,它获取Name和TotalPoints,如下所示: var gradeData = (from data in oAngieCtxt.prc_ShopInstanceCustomersData(Convert.ToInt32(this.ShopInstanceID), 10000, false) .Where(row => row.RecievedPoints != "n/a")

我有下面的查询,它获取Name和TotalPoints,如下所示:

var gradeData = (from data in oAngieCtxt.prc_ShopInstanceCustomersData(Convert.ToInt32(this.ShopInstanceID), 10000, false)
                         .Where(row => row.RecievedPoints != "n/a")
                        .GroupBy(row => new { row.Name })
                        .Select(g => new
                        {
                            TotalPoints = g.Sum(x => Convert.ToDouble(x.RecievedPoints) * (x.Weightage.ToString() == "0.00" ? 1 : Convert.ToDouble(x.Weightage))),
                            Name = g.Key.Name
                        })
                         select data).ToList();
我将有如下数据:

TotalPoints        Name
  5                  A
  10                 B
  5                  C
  15                 D
  5                  E
如果我们遵守上面的列表,5是最常见的。我必须从“gradeData”中获取该值


我怎样才能得到它呢?

下面的查询为您提供了最常见的点及其所有关联的名称:

var mostCommon = gradeData.GroupBy(x => x.TotalPoints)
    .OrderByDescending(g => g.Count())
    .Select(g => g.Key)
    .First();
var result = gradeData.GroupBy(x => x.TotalPoints)
                      .OrderByDescending(x => x.Count())
                      .Select(g => new
                          {
                              TotalPoints = g.Key,
                              Names = g.Select(x => x.Name).ToList()
                          })
                      .First();

下面的查询提供了最常见的点及其所有关联名称:

var result = gradeData.GroupBy(x => x.TotalPoints)
                      .OrderByDescending(x => x.Count())
                      .Select(g => new
                          {
                              TotalPoints = g.Key,
                              Names = g.Select(x => x.Name).ToList()
                          })
                      .First();