RoleViewModelのリストで匿名リストを変換するには？私のアクションメソッドで

Question

私はリストを返す次のクエリ実行している：私はこのように見て同じ形式でviemodelを持って

var list = db.WorkRoles. 
       Join(db.WorkRolesUsersDetails, 
       o => o.WorkRoleId, od => od.WorkRoleId, 
       (o, od) => new 
       { 
        WorkRoleId = o.WorkRoleId, 
        RoleName = o.RoleName, 
        RoleDescription = o.RoleDescription, 
        CompanyId = o.CompanyId, 
        WRUDId = od.WRUDId, 
        UserDetailsId = od.UserDetailsId, 
        FocusStart = od.FocusStart, 
        FocusEnd = od.FocusEnd 
       }).ToList(); 

を：変換するための最良の方法です

public class RoleViewModel 
{ 
    public RoleViewModel(int workRoleId, string roleName, string roleDescription, int companyId, int wRUDId, string userDetailsId, DateTime focusStart, DateTime focusEnd) 
    { 
     WorkRoleId = workRoleId; 
     RoleName = roleName; 
     RoleDescription = roleDescription; 
     CompanyId = companyId; 
     WRUDId = wRUDId; 
     UserDetailsId = userDetailsId; 
     FocusStart = focusStart; 
     FocusEnd = focusEnd; 
    } 
    int WorkRoleId { get; set; } 
    string RoleName { get; set; } 
    string RoleDescription { get; set; } 
    int CompanyId { get; set; } 
    int WRUDId { get; set; } 
    string UserDetailsId { get; set; } 
    DateTime FocusStart { get; set; } 
    DateTime FocusEnd { get; set; } 
} 

何私のviewmodelのリストへの私のクエリの結果？

Answer 1

あなたは次のことを試してみることができるよりも、あなたのアクションメソッドは、ビューモデルの種類を意識する必要がない場合。

1. 初期リストにSelectを使用し、すべての項目にRoleViewModelを組み立ててください。

2. はあなたのために仕事をするAutoMapperライブラリを使用してください。

   var list = db.WorkRoles. Join(db.WorkRolesUsersDetails, o => o.WorkRoleId, od => od.WorkRoleId, (o, od) => new { WorkRoleId = o.WorkRoleId, RoleName = o.RoleName, RoleDescription = o.RoleDescription, CompanyId = o.CompanyId, WRUDId = od.WRUDId, UserDetailsId = od.UserDetailsId, FocusStart = od.FocusStart, FocusEnd = od.FocusEnd }).ToList() .Select(item => new RoleViewModel( item.WorkRoleId, item.RoleName, item.RoleDescription, item.CompanyId, item.WRUDId, item.UserDetailsId, item.FocusStart, item.FocusEnd));

Answer 2

var list = db.WorkRoles. 
      Join(db.WorkRolesUsersDetails, 
      o => o.WorkRoleId, od => od.WorkRoleId, 
      (o, od) => new RoleViewModel(
       o.WorkRoleId, 
       o.RoleName, 
       o.RoleDescription, 
       o.CompanyId, 
       od.WRUDId, 
       od.UserDetailsId, 
       od.FocusStart, 
       od.FocusEnd 
      )).ToList();