Question

i’ve a AccountController like this

public class AccountController : Controller
{
    [Authorize]
    public ActionResult MyProfile(string userEmail)
    {
        UserManager um = new UserManager();
        UserProfile user = new UserProfile();
        user = um.GetUserDetail(userEmail);
        return View(user);
    } 
 }

i’ve UserManager.cs Like this

public class UserManager
{
    private ToLetDBEntities TLE = new ToLetDBEntities();
     public UserProfile GetUserDetail(string uemail)
    {
        var userDetails = TLE.users.FirstOrDefault(x => x.email_add == uemail);

        UserProfile up = new UserProfile();
        up.cellno = userDetails.cellno.Trim();
        up.email_add = userDetails.email_add.Trim();
        up.name = userDetails.name.Trim();
        up.password = userDetails.password.Trim();

        return up;
    }
}

When i’m debugging it gives error like

Object reference not set to an instance of an object
Null Reference Exception was Unhandled by User

At the line

up.cellno=userDetails.cellno.Trim(); 

Of the GetUserDetails function.

Answer 1

That error suggests that you don’t have a userDetails instance, so you can’t get the cellno property.

Are you sure that TLE.users.FirstOrDefault(x => x.email_add == uemail) is returning something? If you put a breakpoint on the line that gives you the error, then you can check what the value of userDetails is – it’s probably null.