从多个数据集中填充 class 个对象

Question

我想用来自 OrganismDT 和 AntibioticDT[= 的数据填充 Organism class 对象28=]。下面是数据table结构，Class结构和我正在尝试的填充技术。基于 OrganismAliasId 我必须填写 AntibioticsDT[Antibiotic objects list] 行并分配给相应的 Organisms 目的。任何人都可以帮助我实现这一点..

数据表

DataTable OrganismDT = new DataTable("Organism");
OrganismDT.Columns.Add("OrganismAliasId");
OrganismDT.Columns.Add("Name");

DataTable AntibioticsDT = new DataTable("Antibiotics");
AntibioticsDT.Columns.Add("OrganismAliasId");
AntibioticsDT.Columns.Add("Name");
AntibioticsDT.Columns.Add("Susceptibility");

Class结构：

public class Organism
{
 public int AliasId { get; set; }
 public string Name { get; set; }
 public List<Antibiotic> Antibiotics;
}


public class Antibiotic
{
 public string Name { get; set; }
 public string Susceptibility { get; set; }
}

填充数据table table 到 Class 对象

List<Organism> Organisms = Organism.AsEnumerable().Select(row =>
new Organism
{
 AliasId = row.Field<int>("OrganismAliasId"),
 Name = row.Field<string>("Name"),
 Antibiotics = new List<Antibiotic>()
}).ToList();

Answer 1

这应该有效：-

List<Organism> Organisms = OrganismDT.AsEnumerable().Select(row =>
          new Organism
          {
            AliasId = row.Field<int>("OrganismAliasId"),
            Name = row.Field<string>("Name"),
            Antibiotics = AntibioticsDT.AsEnumerable()
                        .Where(x => x.Field<int>("OrganismAliasId") 
                                       == row.Field<int>("OrganismAliasId"))
                        .Select(x => new Antibiotic
                        {
                           Name = x.Field<string>("Name"),
                           Susceptibility = x.Field<string>("Susceptibility")
                        }).ToList()
            }).ToList();

此外，请注意您应该通过指定数据类型来创建列，否则它可能会抛出 运行-time 异常：-

AntibioticsDT.Columns.Add("OrganismAliasId",typeof(int));