Redirect Unauthorized Page Access in MVC to Custom View

Question

I have an MVC website in which access is based on various Roles. Once a user logs into the system they can see navigation to the pages for which they are authorized. However

Answer 1

To redirect-unauthorized-page-access-Asp.net C# -to-custom-view

1. on page load add this in login.aspx.cs

     protected void Page_Load(object sender, EventArgs e)
        {
            try
            {
                
                txtUsername.Focus();
                if (!IsPostBack)
                {
                    if (Request.IsAuthenticated && !string.IsNullOrEmpty(Request.QueryString["ReturnUrl"]))
                    {
                        Response.Redirect("UnauthorizedAccess.aspx", false);
                        return;
                    }                   
                    Session.Clear();
                    Session.Abandon();

                }                
            }
            catch (Exception ex)
            {
                this.errLogin.Text = ex.Message;                
            }
        }

2)create UnauthorizedAccess.aspx

    
Unauthorized

        
            
Sorry, you are not authorized to access this page
        
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