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Grid Sample: "The type or namespace name 'Order' could not be found"
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Philip
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Philip asked on 18 Dec 2009, 03:22 AM
I followed the instructions in the Help file for creating a Grid with Server binding using the VS 2008 MVC Project Template . Next I configured the application as per the Help file instructions (added a reference to the Telerik.Web.Mvc.dll, etc)  Then I dropped the Northwind Order table on the Linq to SQL design surface.  Then I  modified the Home Controller to return the results of the query on the Orders table.  The Home Controller now looks like this:



using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Web; 
using System.Web.Mvc; 
using NorthwindOrder.Models; 
 
namespace NorthwindOrder.Controllers 
    [HandleError] 
    public class HomeController : Controller 
    { 
        public ActionResult Index() 
        { 
            ViewData["Message"] = "Welcome to ASP.NET MVC!"; 
 
            return View(GetOrders()); 
        } 
 
        private IEnumerable<Order> GetOrders() 
        { 
            NorthwindDataContext northwind = new NorthwindDataContext(); 
 
            return northwind.Orders; 
        } 
 
 
        public ActionResult About() 
        { 
            return View(); 
        } 
    } 
 

Next I modified Index.aspx as per the Help file sample. See below: 




<%@ Page Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<IEnumerable<Order>>" %> 
 
<asp:Content ID="indexTitle" ContentPlaceHolderID="TitleContent" runat="server"
    Home Page 
</asp:Content> 
 
<asp:Content ID="indexContent" ContentPlaceHolderID="MainContent" runat="server"
    <h2><%= Html.Encode(ViewData["Message"]) %></h2
    <p> 
        To learn more about ASP.NET MVC visit <href="http://asp.net/mvc" title="ASP.NET MVC Website">http://asp.net/mvc</a>
    </p> 
     
   <%= Html.Telerik().Grid<Order>() 
        .Name("Orders") 
        .BindTo((IEnumerable<Order>)ViewData["orders"]) 
        .Pagealbe() 
        .Sortable() 
%> 
</asp:Content> 
 
Unfortunately I get a run time error which says "The type or namespace name 'Order' could not be found
(are you missing a using directive or an assembly reference?)

Any suggestions on how to resolve this error would be appreciated.  Phiip


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Atanas Korchev
Telerik team
answered on 18 Dec 2009, 08:07 AM
Hello Philip,

The ASP.NET Compiler does not know what the namespace of the Order type is. Please import the required namespace.


Regards,
Atanas Korchev
the Telerik team

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Philip
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answered on 18 Dec 2009, 02:13 PM
Hi Atanas

That resolved the issue!  Thank you very much for the quick reply.

Philip


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Chad Whitacre
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answered on 11 Jan 2010, 04:09 PM
For the record, the error is with the reference to <IEnumerable<Order>> that is added to Index.aspx. I got it to work by fully qualifying 'Order' like more-or-less so: <IEnumerable<MyProject.Models.Order>>.
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