Multiple Model in one View

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I have a 2 tables as follows:

SQL

Users Table:-
UserID UserName       FirstName 
  1    ak@gmail.com    ArunK
  2    nk@gmail.com    NeelamK
Courses Table:-
CourseID CourseName       CourseDesc         Status CreatedBy CreatedOn
  10     MVC               MVC-Description   Draft      1     2013-09-24
  20     Cloud Computing   Cloud-Description Draft      2     2013-09-24

I have Model files respectively for both the tables as User.cs and Course.cs
I have a CourseController (Scaffolding options Selected as Model class = Course.cs AND Data context class = LMS_Global.cs) which has a Index ActionMetod :

namespace LMS.Controllers
{
    public class CourseController : Controller
    {
        private LMS_Global db = new LMS_Global();

        public ActionResult Index() 
       { return View(db.Course.ToList()); }
    }
}

Data context class as:
namespace LMS.Models
{
    public class LMS_Global : DbContext
    {
        public DbSet<User> User { get; set; }
        public DbSet<Course> Course { get; set; }
    }
}

I have got a view for ActionMethod Index as Index.cshtml :-

HTML

@model IEnumerable<LMS.Models.Course>

 @{int i = 1;}
 @foreach (var item in Model)
 {  
     <tr>
         <td>
              @(i++)
         </td>
     </tr>
     <tr>
         <td>
              @item.CourseName
         </td>
      </tr>
      <tr>
         <td>
             Drafted By: @item.CreatedBy on: @item.CreatedOn.ToString("dd MMMM yyyy")
         </td>
      </tr>
      <tr>
         <td>
              @item.Status
         </td>
      </tr>
 }

Now, In place of @item.CreatedBy(from Course Table), I want to display Corresponding FirstName for that CreatedBy. How can I display firstName from Users Table ? There is no relation between CreatedBy(Courses) and UserID(User). 
Quick help will be appreciated.
Thanks in advance.

- Shweta K.

Posted 25-Sep-13 0:10am

shwetavc30

Updated 25-Sep-13 0:27am

v2

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Comments

bbirajdar 25-Sep-13 6:14am

Simple....If there is no relation, then you cannot display..

shwetavc30 25-Sep-13 6:18am

I need a solution. So, can you please give me a solution corresponding to the mentioned scenario ?

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Pooja Dhanani · Accepted Answer · 2013-09-25T00:58:00

you can select first name of user by using linq.
Create a new ViewModel class like this

C#

public class CourseViewModel
   {
       public int CourseId { get; set; }

       public string CourseName { get; set; }

       public string CourseDesc { get; set; }

       public string Status { get; set; }

       public int CreatedBy { get; set; }

       public DateTime CreatedOn { get; set; }

       public string FirstName { get; set; }
   }

And in Controller pass this list to view,which is strongly binded to IEnumerable<courseviewmodel>,so that in view @item.FirstName display name of user.

C#

var listOfModel =  from course in courses
                  let firstOrDefault = users.FirstOrDefault(x => x.Id == course.CreatedBy)
                   where firstOrDefault != null
                   select new CourseViewModel()
                    {
                      CourseId = course.CourseId,
                      CourseName = course.CourseName,
                      CourseDesc = course.CourseDesc,
                      Status = course.Status,
                      CreatedBy = course.CreatedBy,
                      CreatedOn = course.CreatedOn,
                      FirstName = firstOrDefault.FirstName
                    };