Rad Controls In AJAX In Designer View / Getting An Error PostError Creating Control?
Mar 2, 2011
getting an error like this:
PostError Creating Control
RadTabStrip1Failed to create designer 'Telerik.Web.UI.RadTabStrip, Telerik.Web.UI, Version=2010.1.415.35, Culture=neutral, PublicKeyToken=121fae78165ba3d4'**
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Similar Messages:
Aug 19, 2010
I have added new tab for ajax control toolkit ,
I can use for exemple AccordionPane control but there are some controls didn't work when I drag them in the designer view like "Calendar control and many ...." that ' s mean that this control can't be added in the designer
for mor information , I use Visuel studio 2008 and I installed AjaxControlToolkit-Framework3.5-NoSource.
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Jan 8, 2011
I have an Error in the design view when I use the ajax toolkit. it says rendering Control Accordion - An unhandled exception has occurred. Collection was modified; enumeration operation may not execute. I have the relevant service pack, download ajax toolkit and I have used the appropriate declerations on the top of the page, I hope. I haven't yet even put anything on the page and the designer view shows the above error.
<%@ Page Language="vb" AutoEventWireup="false" MasterPageFile="~/Site.Master" CodeBehind="listaccessoriesbytype.aspx.vb" Inherits="FashionPrototypeProject.listaccessoriesbytype"
title="Untitled Page" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<cc1:Accordion ID="Accordion1" runat="server">
<Panes>
<cc1:AccordionPane ID="ac" runat="server">
<Header></Header>
<Content></Content>
</cc1:AccordionPane>
</Panes>
</cc1:Accordion>
</asp:Content>
I entered this manually in my webconfig: added this under the rest of asssemblies code
<assemblies>
<add assembly="AjaxControlToolkit, Version=3.0.30930.28736, Culture=neutral, PublicKeyToken=28f01b0e84b6d53e"/>
</assemblies>
added under the rest of controls
<controls>
<add tagPrefix="ajaxToolkit" namespace="AjaxControlToolkit" assembly="AjaxControlToolkit, Version=3.0.30930.28736, Culture=neutral, PublicKeyToken=28f01b0e84b6d53e"/>
</controls>
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Dec 11, 2010
I'm working on a page that uses a master page. In the master page, I have a drop-down and when a value is selected I generate an evenIn the web page, I have this statement "Addhandler Master.FilterChanged, AddressOf FilterChangedFromMasterPage"Everything works fine, and can edit the page as much as I want, but only with the Source view - because if I look at the design view, the entire MainContent section is reduced to this error; "Error Creating Control- MainContent / Object Reference not set to an instance of an object"But if I debug it locally, or FTP it to the server, it works just fine!
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Jan 22, 2010
I'm trying to develope a collapsible panel control with designer.
I have the following two classes:
[Code]....
and this one:
[Code]....
In fact, the designer class is a copy of a sample class in MSDN and I only tried to customize it to work for me. I'm not sure if all methods are necessary or not.
I have the following two questions:
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Feb 1, 2010
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Feb 25, 2011
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ModalPopup Demonstration
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Sep 9, 2010
It doesn't seem to matter what I try to make the animation do, I keep getting this shown in the designer. No one else on google seems to be getting that problem either. Note: it doesn't cause debugging or runtime issues... in fact, the only negative thing it does is make it extremely annoying when I look at the designer... I'm going to have about 12 of these updatepanelanimations firing everytime the timer ticks too :(.MasterPage file has the toolkitscriptmanager on it.Here is my designer code for the page I'm having the issue on:
[Code]....
Code Behind:
[Code]....
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May 7, 2010
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Dim pg As Page = HttpContext.Current.Handler
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May 11, 2010
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[Code]....
Is that something I should normally expect?
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Feb 26, 2010
Here is my code in SQL
[Code]....
Error i am facing is :
Msg 8668, Level 16, State 0, Line 2
Cannot create the clustered index 'RateViewIndex' on view 'NoteToPass.dbo.RateView' because the select list of the view contains an expression on result of aggregate function or grouping column. Consider removing expression on result of aggregate function or grouping column from select list.
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Mar 1, 2011
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Sep 26, 2010
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Jul 9, 2010
When I format an accordion control using a skin file (as opposed to entering the formatting as attributes on each <asp:Accordion> tag), the control renders as expected when the website is run. However, in the VS2010 designer, the control won't display but instead shows the generic "Error Rendering Control" box which hasthe exception, "Collection was modified; enumeration operation may not execute."
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Jun 4, 2010
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Jun 26, 2010
I have a asp.net web project in which I am trying to view the Default.designer.vb page. I thought there was a button at the top of the Solution Explorer that would allow you to show the "Designer" files but I don't see it. How can I view these files?
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Mar 5, 2011
I'm just getting started in ASP.net and am building a site. I made a change to a style sheet to change the color of the links in my menu control on my master page. It looks great in the designer and is just the way I want it. Although, if I view default.aspx in the browser it is back to how it was before I made the change. Can anyone give me some suggestions on places to look to figure out why it isn't right in the browser?
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Jul 14, 2010
GOOD graphical view designer for MySQL most of them suck. Navicat is the best I could find its great at most things but its view designer is junk.
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Apr 29, 2010
I'm working on building a an ASP.NET composite control that is a wrapper for a GridView object. I have been able to figure out how compose the control in order for the markup to appear correctly when added to an ASPX page. Now the issue I'm having is that when I drop an instance of the control on a form from the toolbox, I can't interact with the control using the functionality exposed by a GridView (e.g. columns editor, data source selector, etc.), and I don't see any design-time rendering of the child GridView control. What I would like to do is to basically forward the designer behavior of my composite control down to its child GridView control. I have experimented with implementing a custom designer class that inherits from GridViewDesigner that simply initializes itself using the GridView child of my composite control. However, this doesn't seem to work, as I encounter an "object reference not set to an instance of object" error at design time; I'm wondering if this is even the appropriate strategy to achieve what I'm looking for. how to enable GridView-like design time behavior in composite controls. I have scoured the Web looking for articles on how this is accomplished, but I've surprisingly found virtually no resources on the topic.
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Jul 1, 2010
Someone can explain this error?Error Creating Control - headObject reference not set to an instance of an object.
<%@ Page Title="" Language="C#" MasterPageFile="~/Controls/Master1.Master"
AutoEventWireup="true" CodeBehind="GrupoUsuario.aspx.cs" Inherits="GrupoUsuario" %>
<asp:Content ID="Content1" runat="server" contentplaceholderid="head">
</asp:Content>
I Think this is a bug of visual studio 2010 in design view. I'not using any event to manipulate session object in the method OnInt(). The "PlaceHolderTopo" is an placeholder in the web user control Topo.ascx. It's work normaly. I Don't have any code inside the content place holder in the page tha inherits from the master page and get this error.Below is the code of the masterpage:
<%@ Master Language="C#" AutoEventWireup="true" CodeBehind="PrincipalSeguranca.Master.cs" Inherits="PrincipalSeguranca" %>
<%@ Register Src="Topo.ascx" TagName="Topo" TagPrefix="uc1" %>
[code]...
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Jan 11, 2011
i create new composite control to make a full calendar control.
[Code]....
All is good until i put
[Code]....
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May 20, 2010
Again, working with VS2010 and ASP.NET 4 I've run into a problem. Although my site seems to be working as it should, some of my pages in VS2010 show an error in design mode: ERROR Creating Control - xxxxxx. Request is not available in this context. I have shut down VS and reopened my site several times, same results. I have reviewed my code and can't find anything wrong.
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Feb 18, 2011
I am new to ASP.NET and AJAX
I want to use Accordion control in my page
but when i try to add that controlit is showing the error.
My code is
[code]....
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