CODEWITHSUNDEEP
c#functiondelegates
Crashman
Crashman

Reputation: 146

Delegate func<in T, TResult> can't access property

i have this code

private static Func<fLogin,BusinessObject.User> Make = f => 
new BusinessObject.Usuario { 
Name = f.txtU.Text,
Pass = f.txtPass.Text,
};

So. the User class is this.

public class User
{
public string Name {get; set; }
public string Pass {get; set; } 
public Company Com {get; set; }
}

and the user has a Company here's company

public class Company
{
public string CompanyName {get; set;}
}

so, here is the issue, when i want to access company name, gives me error

private static Func<fLogin,BusinessObject.User> Make = f => 
new BusinessObject.Usuario { 
Name = f.txtU.Text,
Pass = f.txtPass.Text,
Com.CompanyName = f.txtC.text
};

Com.CompanyName = f.txtC.text

this is not possible?

Upvotes: 1

Views: 194

Answers (3)

Pavel Bakshy
Pavel Bakshy

Reputation: 7747

You should change Com.CompanyName = f.txtC.text to Com = new Company { CompanyName = f.txtC.text }. So field should looks like:

  private static Func<fLogin,BusinessObject.User> Make = f => 
      new BusinessObject.User
      { 
          Name = f.txtU.Text,
          Pass = f.txtPass.Text,
          Com = new Company { CompanyName = f.txtC.text },
      };

In your code you try to set CompanyName property of Com object which is not initialized yet.

Upvotes: 2

Todd Li
Todd Li

Reputation: 3269

You cannot assign to the property of a property in the property initializer. Also, it doesn't make sense to assign to Com.CompanyName without actually creating the Company object.

private static Func<fLogin,BusinessObject.User> Make = f => 
    new BusinessObject.Usuario { 
        Name = f.txtU.Text,
        Pass = f.txtPass.Text,
        Com = new Company { CompanyName = f.txtC.text }
};

Upvotes: 1

Adam Mihalcin
Adam Mihalcin

Reputation: 14458

The reason that you're getting an error on

Com.CompanyName = f.txtC.text

is that you have to set the Com property in the object initializer, not set the CompanyName property on the Com property. The fix is to use a nested object initializer to set Com to a new Company with the correct CompanyName property:

private static Func<fLogin,BusinessObject.User> Make = f => 
    new BusinessObject.User
    { 
        Name = f.txtU.Text,
        Pass = f.txtPass.Text,
        Com = new Company { CompanyName = f.txtC.text },
    };

Upvotes: 5

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