ADO.NET :: Returning Data From Inheritance Isn't Showing As An Available Object
Oct 19, 2010
I've got an entity that inherits from another, but for some reason the entity that is inheriting isn't showing as an available object? The parent entity is "Customer" and the child entity is called "RetailCustomer", but only "Customer" will show in intellisense as being available? I'm currently using:
[Code]....
And really need to be using something like this...
[Code]....
but VS comes back telling me that RetailCustomers isn't a member of my Entities Context.
View 4 Replies
Similar Messages:
May 4, 2010
I ask this because i'm using Partial classing to extend my db model, and in doing so some snags i've run into using inheritance and also snags i've run into declaring my db model in another class as a property and just using it like that ie: Public Property DBModelClass as DBModelClassType - however, doign direct partial classing has worked out the best, with no snags... except for an issue i seem to be running into now.
that is, i create new properties with half-page code in the 'Get' part of the property decleration, these are like virtual/new properties that the db or db model isn't supposed to know anything about, the sort of stuff you generate/use but without saving it in your db, as i'm sure all of you have these. every time i submit my DBModel through an action, somehow, one of these properties 'Get' section is running (being called) even though i'venever asked for it to. of course, because it aint ready to run (it shouldn't) errors like null errors get returned (however, they wouldn't error if it were to run only when i asked for it to).
edit:
so this second part of my question, are all properties in a model generated from a db (linq to sql) ran or called by the model state automatically? without being asked to do so?
an aside:
(i do do a modelstate.isvalid - however, this running occurs before isvalid is called as it errors out before i even see validation information). that being, is the auto calling of all properties on a db model object even when not used normal? i tried using bind(false) and scaffold off on the problemed properties. and the first part of my question, just as a reminder, is if i should or should not be using partial classing as a substitute to inheritance when extending db model's?
View 1 Replies
Feb 11, 2014
I have a class TicketOrder. It's not recognizing my lstSectionNumber (Tickets.TicketForm.lastSectionNumber is inaccessible due to its protection level).
Here is the code for TicketOrder class:
public class TicketOrder
{
public TicketOrder(TicketForm form)
{
this.form = form;
}
//Declare static variables
[Code] .....
This is my code behind:
public partial class TicketForm : System.Web.UI.Page
{
//Declare variables
int myInt;
TicketUser user = new TicketUser();
TicketOrder order;
[Code] .....
View 3 Replies
Oct 11, 2010
I am generating an Excel file upon a click of a button in an update panel. It is throwing a parsing error.
If I keep the button outside the update panel it is working fine. Why isn't it working in the update Panel?
Response.ContentType = "application/vnd.ms-excel"
Response.AddHeader("Content-Disposition",
String.Format("attachment;filename={0}", filename))
Response.Clear()
Response.BinaryWrite(WriteToStream.GetBuffer)
HttpContext.Current.ApplicationInstance.CompleteRequest()
Private Function WriteToStream() As MemoryStream
'Write the stream data of workbook to the root directory
Dim file As MemoryStream = New MemoryStream
hssfworkbook.Write(file)
Return file
End Function
View 1 Replies
Feb 16, 2011
I am using a calendar object as below. I want to know the first date showing and then the last date showing on the month. For example, right now when I use the one below it is showing Jan 30th thru March 12. Is there a way to find out what date is in the first cell and the last cell?
[Code]....
View 4 Replies
Feb 4, 2010
if i implement updateprogress in my web page i got the following error messge
Microsoft JScript runtime error: 'Sys.WebForms.PageRequestManager' is null or not an object
.aspx
<link
href="cssUpdateProgress.css"
rel="stylesheet"
type="text/css"
/>
<script
type="text/javascript"
language="javascript">
var ModalProgress =
'<%= ModalProgress.ClientID %>';
</script>
<asp:ScriptManager
ID="ScriptManager1"
runat="server"
EnablePartialRendering="False"
LoadScriptsBeforeUI="False"
ScriptMode="Release"
>
<
</asp:ScriptManager>script
type="text/javascript"
src="jsUpdateProgress.js"></script>
<asp:Panel
ID="panelUpdateProgress"
Width="105px"
Height="25px"
runat="server"
CssClass="updateProgress">
<asp:UpdateProgress
ID="UpdateProg1"
DisplayAfter="0"
runat="server">
<ProgressTemplate>
<table
style="height:25px;">
<tr><td><img
height="21px"
width="15px"
src="imagesprocessing.gif"
style="vertical-align: middle"
alt="Processing"
/></td><td
valign="middle"
>Processing...</td></tr>
</table>
</ProgressTemplate>
</asp:UpdateProgress>
</asp:Panel>
<cc1:ModalPopupExtender
ID="ModalProgress"
runat="server"
TargetControlID="panelUpdateProgress"
BackgroundCssClass="modalBackground"
PopupControlID="panelUpdateProgress"
/>
javascript
Sys.WebForms.PageRequestManager.getInstance().add_beginRequest(beginReq);
Sys.WebForms.PageRequestManager.getInstance().add_endRequest(endReq);
function
beginReq(sender, args) {// shows the Popup
$find(ModalProgress).show();
}
function
endReq(sender, args) {// shows the Popup
$find(ModalProgress).hide();
}
View 1 Replies
Sep 17, 2010
When I inspect an object in the debugger, I see a lot more properties in the debugger than what is available in Intellisense or code.
For example, the Page object in ASP.NET in the debugger shows a property RelativeFilePath which has a value. But when I try to use it in code, it doesn't exist. Why is that?
I looked up the property RelativeFilePath in MSDN, it exists for mobile controls. Not sure why it shows up then in the debugger for a regular asp.net control.
View 3 Replies
Nov 30, 2010
Can someone offer some help with my problem please?I have the following code:
function InsertNewMeeting(tripID, contact1ID, contact2ID) {
$.ajax({
type: "POST",
[code]...
View 2 Replies
May 18, 2010
I am facing a strange javascript object expected error in IE8? On IE Developer tool the error shown as
Object expected products.aspx?productid=127, line 234066871 character 5
There is only around 350 lines in the rendered html source. How to find the correct source of error.
Edit: There are following includes in the file.
<script type="text/javascript" src="/store/Scripts/jquery-1.3.2.min.js"></script>
<script type="text/javascript" src="/store/Scripts/jquery.imgareaselect.pack-0.9.1.js"></script>
<script type="text/javascript" src="/store/Scripts/thickbox.js"></script> [code]....
View 2 Replies
Jul 18, 2010
We have a web project that contain its business methods in a class library project called "Bll.dll"
some methods of Bll.dll return List<> ... from a source - that i don't remember now - told that returning Collection<> is better than returning List<> Is it a valid ? Note that i don't make any process on values returned from BLL methods .. just view it in a web page
View 5 Replies
Feb 1, 2011
what is best to use in CTP 5 for inheritence. Ive heard of 3 ways of doing it. (This is indirectly addressed to Serenarules )
Table per Hierarchy ?
Table per Type ?
or able per Concrete Type ?
For those who wondering what the hell is that.. refer to http://weblogs.asp.net/manavi/default.aspx which is a nice blog about inheritence and polymorphism in CTP 5.
View 5 Replies
Jul 16, 2010
All my controllers inherit from a BaseController that has an ActionFilter attribute:
[AnalyticsData]
public class BaseController : Controller {}
public class AccountController : BaseController {}
Some of my Actions in my controllers reuse the AnalyticsData ActionFilter:
public class AccountController : BaseController
{
[AnalyticsData(Page="AccountProfile")]
public ActionResult Profile()
{
// return View
}
}
I notice that the AnalyticsData ActionFilter only runs once. This is a good thing and I only want it to run once, but I'm wondering how that happens. If I set my breakpoint inside the OnActionExecuting:
public class AnalyticsAttribute : ActionFilterAttribute
{
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
// break point set here
}
}
only gets hit once when AccountController serves it Profile view. How do ActionFilters and/or Attributes work that [AnalyticsData(Page="AccountProfile")] on the Action overrides/replaces [AnalyticsData] on BaseController?
View 1 Replies
Aug 15, 2010
When people talk about extending a control are they just talking about inheritance?
View 1 Replies
Feb 6, 2010
Can anybody tell me why multiple inheritance is not supported in C#?
View 9 Replies
Mar 1, 2010
I'm trying to figure out if its possible to have multiple inheritance in a view in ASP.Net MVC. Right now I'm trying to print out a list of entries from two different tables from my model in a single View. I have the following line at the top of my view:
Inherits="System.Web.Mvc.ViewPage<List<GEApproval.Models.CoursePrefix>>"
But I also want to include the table Course as follows:
Inherits="System.Web.Mvc.ViewPage<List<GEApproval.Models.Course>>"
I went ahead and created a composite class as follows:
namespace GEApproval.Models
{
public class Listings: GEApproval.Models.CoursePrefix, GEApproval.Models.ICourse
{
public List<CoursePrefix> CoursePrefixObjList { get; set; }
public List<Course> CourseObjList { get; set; }
private GEApprovalDataModel _db;
//Constructor
public Listings()
{
_db = new GEApprovalDataModel();
}
//Generate a list of all courses associated with the prefix and place in ViewData model
public void listCourses(ViewDataDictionary viewData, int prefixID)
{
var test = _db.CoursePrefix.Include("Course").First(cp => cp.id == 1);
//Show total courses for this prefix
viewData.Model = test.Course.ToList();
viewData["prefix"] = test.Prefix;
viewData["courseCount"] = test.Course.Count;
int courseCount = test.Course.Count();//Test
}
}
}
And in my view, I now have the following line:
Inherits="System.Web.Mvc.ViewPage<List<GEApproval.Models.Listings>>"
I'm still a little confused because I still cannot access the properties of the Course object when listing them in my view, because I'm only inheriting directly from CoursePrefix. I'm not sure what I'm missing. Do I need to have a constructor for the composite object? Do I need the inherit and implementation statements for CoursePrefix and ICourse respectively if I'm already, supposedly, exposing the properties of each within the Listings wrapper class?
View 5 Replies
Mar 10, 2011
I work in a web agency and thus we are plenty of websites from several customers. They're built upon a cms we made, so websites are quite identical for the 90% of code. However, remaining 10% struggles me and my team as it involves not only the presentation layer but behavioral logics too (ex: a website1 requires simply user/pass registration while website2 needs more data, facebook connector, etc. But this is a very easy example). Making ad hoc development for our customers is becoming painful as keep each version aligned is getting really hard for us What I really dream to have is an extendible website that works by itself, but in which I can override a part. This behavior should sound like "look for the specific part, if it doesn't exists get the base one". The parts could be a method, a class, a page, a control, a static file.
example:
Suppose I want website2 to have an own login component, let's so imagine that we have a situation like:
/website_base
|_ login.aspx
/website1
/website2
|_ login.aspx
So, if I ask for [URL] I'll get /website_base/login.aspx, but if I ask for [URL] I'll get /website2/login.aspx
View 3 Replies
Mar 17, 2011
I'm using EF4 to generate a model. My architecture looks like this:
IMyEntity (custom interface)
-> MyEntity - EF generated class
IMyOtherEntity (custom interface)
-> MyExtendedEntity (Customn Partial class) : MyOtherEntity (EF Generated)
The first entity has a list of MyExtendedEntity. Is there any way I can bind this with the entity framework. I'm targetting ASP.NET and WPF. The main probnlem I have is that I need an ObservableCollection in WPF, while the EF generated class only has an EntityCollection which doesn't even seem to derive from ObservableCollection.
View 1 Replies
Oct 11, 2010
I think I know the answer to this but hoping someone has a neat solution. We are currently using two kinds of drop down controls (telerik and .net). I'm hoping to combine these into one control but struggling with a user friendly design.
Ideally the control would be created in the design file with a bool property of say "SimpleBox", to determine which kind of control to inherit. The instantiation would then be generated in the code behind design file and the constructor would then dynamically load the base (which isn't possible). The easy solution would be for me to create a IDropDown interface then have a factory create the correct one. The only real problem with this is the fact the instantiation has to be manually written every time. Which is a hassle, and does not speed up our process at all.
Although it isn't directly possible i'm looking for a solution along the lines of a factory which is ran inside the object constructor for setting the base, based on a bool property.
View 1 Replies
Oct 25, 2010
Am new bee to Webservices.I have declared complete BLL in the class library.
Can call those methods defined in Class library class files(.cs file) in .asmx file.
View 3 Replies
Aug 10, 2010
i when i m set some value in data object. and create new object in form then new object contain previus value in it.
View 2 Replies
Oct 9, 2010
I have a solution with quite a few different MasterPages / BasePages which all inherit from somewhere else. My problem is that I have a virtual string in BaseMaster, which is overridden by BaseManagement, but when I try to access this string I always get the base valueThe point of inheriting masters and pages is obviously to avoid having duplicate code everywhere.
View 1 Replies
Oct 11, 2010
I am currently trialing EF4 code-first. My POCO classes inherit from an Audit class that contains CreatedBy, CreatedOn, UpdatedBy, UpdatedOn. I was hoping the framework would include the Audit properties in my Action table when creating my database, however this doesn't appear to be the case. Does anyone know how to enable this without overriding the OnModelCreating() method?
Public Class Audit
Public Property CreatedOn as DateTime
End Class
Public Class Action
inherits Audit
Public Property ActionId As Int32
End Class
View 1 Replies
Mar 27, 2011
I have created a Entity named MediaItem which is Abstract and Game inherits form it. I create the database automatically and I get a table MediaItems and MediaItems_Game.
The issue is when I do the following in my ASP.Net Controller:
private Models.DBContainer dataModel = new DBContainer();
dataModel. ---> Intellisense shows me MediaItem but I can find no way to either navigate to or use MediaItems_Game, how can I solve this? i.e. How can I grab a list of 'Games' with some 'WHERE' constraints on another table (not pictured).
View 1 Replies
Mar 4, 2010
I have ASP.NET Page - PageBase and some pages that inherits this page:
public class PageBase : System.Web.Page
public class SomePage : PageBase
I would like to have some controls placed in PageBase that every page that inherits from this page (like SomePage example) will have it displayed as well. This works perfectly in WinForms. If I place control (in designer mode) to WinForm A, I will get it displayed in form B - that inherits from A. This is perfect for building complex solution and I need to extend my WinForm solution to web.How will I do it in ASP.NET?
View 7 Replies
Sep 23, 2010
I have a problem with Master Page InherItance. I make master page Item and past Index in the source of Master page Item and Design of Master Page is Ok but in Web page , in Source , I whrit ,
Page
Language="C#"
AutoEventWireup="true"
MasterPageFile"~/MasterPage.master"
CodeFile="Default.aspx.cs"
Inherits="MasterPage"
but the Design of Web Page , isn't ok no Design , and I don Know What I can do with COde
View 8 Replies