ASP.NET

if (subordinateValueType.TaskTypeId > 0)
           {
               TaskTypeController taskTypeController = new TaskTypeController();
               subordinateValueTypeEntity.TaskType = taskTypeController.GetEntity(subordinateValueType

[System.InvalidOperationException] = {"A referential integrity constraint violation occurred: A primary key property that is a part of referential integrity constraint cannot be changed when the dependent object is Unchanged unless it is being set to the association's principal object

<sessionState mode="InProc" cookieless="UseCookies" timeout="10" >>

protected void Session_Start(object sender, EventArgs e)
        {
            if (Context.Session != null)
            {
                if (Context.Session.IsNewSession)
                {
                    string sCookieHeader = Request.Headers["Cookie"];
                                       

                    if ((null != sCookieHeader) && (sCookieHeader.IndexOf("ASP.NET_SessionId") >= 0))
                    {
                        //signout the user and redirect to the login page
                        FormsAuthentication.SignOut();
                        HttpContextBase httpContext = new HttpContextWrapper(HttpContext.Current);
                        UrlHelper urlHelper = new UrlHelper(new RequestContext(httpContext, new RouteData()));
                        string redirectUrl = urlHelper.Action("LogOn", "Account");
                        httpContext.Response.Redirect(redirectUrl);
                    }
                }
            }
        }

protected void jgjgj(object sender, GridViewEditEventArgs e)
    {
        int index = e.NewEditIndex;
        GridViewRow row=GridView4.Rows[index];

        //((TextBox)row.Cells[5].Controls[0]).Text = null;


        row.Cells[4].Text = "";
        row.Cells[5].Text = "";
       //GridViewRow row=gr
       
       this.Modalpopupextender1.Show();
    }

Response.Cache.SetCacheability(HttpCacheability.NoCache);
                Response.Cache.SetExpires(DateTime.Now);

The request for 'Home' has found the following matching controllers:
ANSLWebToolkit.ANSLWebToolkit.Areas.Operations.HomeController
ANSLWebToolkit.ANSLWebToolkit.Controllers.HomeController

' Note: For instructions on enabling IIS6 or IIS7 classic mode, 
' visit http://go.microsoft.com/?LinkId=9394802

Public Class MvcApplication
    Inherits System.Web.HttpApplication

    Shared Sub RegisterGlobalFilters(ByVal filters As GlobalFilterCollection)
        filters.Add(New HandleErrorAttribute())
    End Sub

    Shared Sub RegisterRoutes(ByVal routes As RouteCollection)
        routes.IgnoreRoute("{resource}.axd/{*pathInfo}")

        ' MapRoute takes the following parameters, in order:
        ' (1) Route name
        ' (2) URL with parameters
        ' (3) Parameter defaults
        routes.MapRoute(
            "Default",
            "{controller}/{action}/{id}",
            New With {.controller = "Home", .action = "Index", .id = UrlParameter.Optional},
            New String() {"ANSLWebToolkit.Controllers"}
        )

    End Sub

    Sub Application_Start()

        RegisterGlobalFilters(GlobalFilters.Filters)
        RegisterRoutes(RouteTable.Routes)

        AreaRegistration.RegisterAllAreas()

        Debug.WriteLine("Registered Route Table: ")
        For Each item As Route In RouteTable.Routes
            Debug.WriteLine(item.Url)
        Next

    End Sub
End Class

Namespace ANSLWebToolkit.Controllers

    Public Class HomeController
        Inherits System.Web.Mvc.Controller

        Function Index() As ActionResult
            ViewData("Message") = "Welcome to ASP.NET MVC!"

            Return View()
        End Function

        Function About() As ActionResult
            Return View()
        End Function
    End Class

End Namespace

Namespace ANSLWebToolkit.Areas.Operations
    Public Class OperationsAreaRegistration
        Inherits AreaRegistration

        Public Overrides ReadOnly Property AreaName() As String
            Get
                Return "Operations"
            End Get
        End Property

        Public Overrides Sub RegisterArea(ByVal context As System.Web.Mvc.AreaRegistrationContext)
            context.MapRoute(
                "Operations_default",
               "Operations/{controller}/{action}/{id}",
                New With {.action = "Index", .id = UrlParameter.Optional},
                New String() {"ANSLWebToolkit.Areas.Operations"}
            )
        End Sub
    End Class
End Namespace

Registered Route Table:
{resource}.axd/{*pathInfo}
{controller}/{action}/{id}
Operations/{controller}/{action}/{id}