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MVC PartialViewResult

  1. #1
    Sep 05, 2012, 9:10 PM

    MVC PartialViewResult

    Hi,
    I try to display a partial view by using the following controller code:
     public class SharedController : System.Web.Mvc.Controller
    {

       
        public ActionResult PartialView1(string containerId)
        {
            Ext.Net.MVC.PartialViewResult r = new System.Web.Mvc.PartialViewResult(containerId);
           
            r.ContainerId = containerId;
            r.RenderMode = RenderMode.AddTo;
            r.SingleControl = true;
            return  r;
           
        }
 }
    when the view is suppose to be loaded the view does not show up, and in FireBug I see the following error message.
    Exception Details: System.InvalidCastException: Unable to cast object of type 'ASP.views_shared_partialview1_ascx' to type 'System.Web.Mvc.ViewUserControl'.
    when I use System.Web.Mvc.PartialViewResult instead of System.Web.Mvc.PartialViewResult the error disappear.

    in all the sample codes I read, that System.Web.Mvc.PartialViewResult should be used.

    any advice how to use it?

    thanks
    Gerald
  2. #2
    Sep 05, 2012, 9:20 PM
    Please post that view
  3. #3
    Sep 05, 2012, 9:53 PM
    Quote Originally Posted by Vladimir View Post
    Please post that view
    Here ist comes
    <%@ Control Language="C#" AutoEventWireup="true" CodeBehind="PartialView1.ascx.cs"
    Inherits="ContractPortalMVC.Views.Shared.PartialView11" %>
<ext:ResourceManager ID="ResourceManager1" runat="server" CleanResourceUrl="false" />
<ext:Container ID="Container1" runat="server" IDMode="Static" StyleSpec="background-color: yellow;"
    Html='<%# DateTime.Now %>' AutoDataBind="true" />
<%--<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <div>
    this is a partial view
    </div>
</body>
</html>--%>
  4. #4
    Sep 05, 2012, 10:04 PM
    - ResourceManager sgould not be presented in the partial view, you have to remove it
    - What a base class for ContractPortalMVC.Views.Shared.PartialView11?
  5. #5
    Sep 05, 2012, 10:09 PM
    Quote Originally Posted by Vladimir View Post
    - ResourceManager sgould not be presented in the partial view, you have to remove it
    - What a base class for ContractPortalMVC.Views.Shared.PartialView11?
    removing the ResourceManager did not change anything.

    here is the codebehind where you can see the base class
    using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace ContractPortalMVC.Views.Shared
{
    public partial class PartialView11 : System.Web.UI.UserControl
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }
    }
}
  6. #6
    Sep 05, 2012, 10:13 PM
    Partial view must be inherited from 'System.Web.Mvc.ViewUserControl'
  7. #7
    Sep 05, 2012, 10:17 PM
    Quote Originally Posted by Vladimir View Post
    Partial view must be inherited from 'System.Web.Mvc.ViewUserControl'
    Now it works,

    thanks
    Gerald

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