single strongly typed view from two strongly typed models

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Hi,

I am new to MVC and learning things. Kindly help me that I am stuck in where I want to create a strongly typed view from two strongly typed model .

Say for an example I have EmployerAccount and EmployerCompany models.

And I have a create view, which should get user input for employerAccount and Employer Company.

Kindly help

regards

Posted 22-Oct-12 22:24pm

Ahamed Azeem

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vyas_pratik20 · Answer 1 · 2012-10-22T22:30:00

Solution 1

You can not develop the View that can use more then one model.
but you can fix this issue by either developing dummy model which has property from both existing mode you have,
or you can develop new model which has two members i.e. existing model class
or you can use the inheritance concept.

Posted 22-Oct-12 22:30pm

vyas_pratik20

Comments

Ahamed Azeem 23-Oct-12 4:35am

Thanks. I already tried creating a dummy model, which instantiates the two models. for ex:
public class EmployerModel
{
public Models.EmployerAccount EmployerAccount;

public Models.EmployerCompany EmployerCompany;

}

and I used a view to use this dummy model. everything worked fine and it created a textbox for the second model as well.

But while saving to the database, it throws error cannot pass the null values

so could you please explain me with an example

Zoltán Zörgő 23-Oct-12 4:52am

You are on the right path!
What is the code of your action that should handle the submitted data?

Ahamed Azeem 23-Oct-12 4:55am

yup I feel the problem is there, becoz the controller action methods gets the EmployerAccount class object and I dont know passing the dummy class object is correct or not. though I am passing it, it says the error in db.savechanges method

public ActionResult Create(EmployerAccount ea)
{
db.EmployerAccounts.AddObject(ea);

db.SaveChanges();

return View();
}

Zoltán Zörgő 23-Oct-12 5:01am

And what's the view code? The problem is, that you can use view models, but than it's up to you to handle the data model properly. Your view model is made of two data models. So you will get that type back also.

Zoltán Zörgő 23-Oct-12 5:08am

You could find this interesting: http://odetocode.com/blogs/scott/archive/2012/03/11/complete-guide-to-mass-assignment-in-asp-net-mvc.aspx

Ahamed Azeem 23-Oct-12 5:13am

@model JobPortal.Models.EmployerModel

@{
ViewBag.Title = "submit";
}

submit

Ahamed Azeem 23-Oct-12 5:14am

could you please analyze this code and suggest me solution.

Zoltán Zörgő 23-Oct-12 15:05pm

Your input model is EmployeeModel. You can not simply trim it at the action, you have to validate it as it is, than use the embedded objects as data model objects.

Ahamed Azeem 23-Oct-12 15:53pm

could you please explain me more about this considering me as a beginner in mvc :)