我需要檢查（對于過濾器）對象內的名稱是否是輸入的名稱。我有一個名為 AppUser 的模型，它是 IdentityUser。AppUser 包含一個名為 UsersData 的對象。在 UsersData 中，有一個 Languages 對象列表。在 Languages 對象中，有一個名為 LanguageName 的對象。在 LanguageName 里面，是我需要比較的名稱。我需要直接從 AppUser 訪問它。我嘗試包含數據，但我可以包含語言列表，但不能包含列表中的字段。我試過使用 thenInclude，但由于它是一個列表，所以我不能使用 then include。應用用戶模型： public class AppUser : IdentityUser { public string FirstName { get; set; } public string LastName { get; set; } public DateTime BirthDate { get; set; } public UsersData UsersData { get; set; } }用戶數據模型：public class UsersData { public Guid Id { get; set; } public Gender Gender { get; set; } public City City { get; set; } public Company Company { get; set; } public Line Line { get; set; } public Area Area { get; set; } public List<AcademicRecord> AcademicRecords { get; set; } public List<MasterPostgraduate> MasterPostgraduates { get; set; } public List<Language> Languages { get; set; } public List<Technology> Technologies { get; set; } public List<Project> Projects { get; set; } public List<ProfessionalRecord> ProfessionalRecords { get; set; } }語言模型： public class Language { public Guid Id { get; set; } public LanguageName LanguageName { get; set; } public CertificationFile CertificationFile { get; set; } public int WritingLevel { get; set; } public int SpeakingLevel { get; set; } public int CertificationLevel { get; set; } public string CertificationName { get; set; } public DateTime CertificationDate { get; set; } public UsersData UserInfo { get; set; } }語言名稱模型： public class LanguageName { public Guid Id { get; set; } public string Name { get; set; } }我感謝任何幫助。
2 回答
慕慕森
TA貢獻1856條經驗 獲得超17個贊
嘗試以下操作：
class Program
{
static void Main(string[] args)
{
string technoName = "abc";
UserManager _userManager = new UserManager();
AppUser appUser = new AppUser() { Users = _userManager.Users.ToList() };
var users = appUser.Users.SelectMany(x => x.Languages.Where(y => y.LanguageName.Name == technoName)).ToList();
}
}
public class AppUser
{
public List<UsersData> Users { get; set; }
}
public class UserManager
{
public List<UsersData> Users { get; set; }
}
public class UsersData
{
public Guid Id { get; set; }
//public Gender Gender { get; set; }
//public City City { get; set; }
//public Company Company { get; set; }
//public Line Line { get; set; }
//public Area Area { get; set; }
//public List<AcademicRecord> AcademicRecords { get; set; }
//public List<MasterPostgraduate> MasterPostgraduates { get; set; }
public List<Language> Languages { get; set; }
//public List<Technology> Technologies { get; set; }
//public List<Project> Projects { get; set; }
//public List<ProfessionalRecord> ProfessionalRecords { get; set; }
}
public class Language
{
public Guid Id { get; set; }
public LanguageName LanguageName { get; set; }
//public CertificationFile CertificationFile { get; set; }
public int WritingLevel { get; set; }
public int SpeakingLevel { get; set; }
public int CertificationLevel { get; set; }
public string CertificationName { get; set; }
public DateTime CertificationDate { get; set; }
public UsersData UserInfo { get; set; }
}
public class LanguageName
{
public Guid Id { get; set; }
public string Name { get; set; }
}
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