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[CLOSED] Removing and Re-adding ResourceManager

  1. #1
    Jun 08, 2010, 12:43 AM

    [CLOSED] Removing and Re-adding ResourceManager

    I'm creating a nice exception handling page. Since I don't know what has already been put on the page, I'd like to clear all the controls and rebuild the whole page.

    The problem is that if I try to remove the ResourceManager, and re-add it it fails saying 'only one resource manger per page'.

    Is there an easy solution to this?



        protected void Page_Init(object sender, EventArgs e)
    {
      Form.Controls.Add(new Ext.Net.ResourceManager());
      Form.Controls.Add(new Ext.Net.Panel{Html="Normal Page"} );
    }
    protected void Page_Load(object sender, EventArgs e)
    {
      try
      {
        throw new Exception("Bad");
      }
      catch(Exception)
      {
        Form.Controls.Clear();   // Removes all controls, Resouce Manager is no longer on page
        Form.Controls.Add(new Ext.Net.ResourceManager()); // Fails
        Form.Controls.Add(new Ext.Net.Panel{Html="Nice Error Page"} );
      }
    }
  2. #2
    Jun 08, 2010, 11:32 AM

    RE: [CLOSED] Removing and Re-adding ResourceManager

    Hi,

    It is strange decision to remove all controls and build new UI for error notification (generally, in most applications call Server.Transfer("Error.aspx"))

    In any way, we have added Unregister method to the ResourceManager (please update from SVN)
    <%@ Page Language="C#" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title></title>
    <script runat="server">
        protected void Page_Load(object sender, EventArgs e)
        {
            this.ResourceManager1.Unregister();
            this.Form.Controls.Clear();
            this.Form.Controls.Add(new Ext.Net.ResourceManager());
        }
    </script>

</head>
<body>
    <form runat="server">
        <ext:ResourceManager ID="ResourceManager1" runat="server" />        
        
    </form>
</body>
</html>
    P.S. By the way, ASP.NET ScriptManager raises the same exception :)

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