0. (Microsoft.SqlServer.Management.RelationalEngineTasks) How to programmatically modifying the AppSetting value in web.config using c#? If it's a user control, you may be missing the register assembly line at the beginning of your ascx file. Sign in to vote. Apr 20 2011 9:15 AM. It took me a lot of efforts to hunt down the cause, which would seem very illogical if not weird. /// </summary> /// <remarks> /// Auto-generated field. Hi, I guess this is the problem with your web.config. This site is started with intent to serve the ASP.Net Community by providing forums (question-answer) site where people can help each other. After using above code in config file I am still . You should check if the System.Web.Extensions.dll file is present in the bin folder of the web application. Web Forms Data Controls https://social.msdn.microsoft.com/Forums/vstudio/en-US/ace0526b-f1ba-4b3f-bb3f-36580ddb8f8e/unknown-server-tag-asptoolkitscriptmanager . Check whether you have the control registered on the top of the Page.
HI, I am using AjaxTookit version 3.5.40412.0 for developing web apps in VS2008. Then I attempt to select a different value and you see {Please Select}.
It's because the ToolkitScriptManager control instance is not present in the designer.cs file. Something like <% @ Register Assembly = "Telerik.Web.UI" Namespace = "Telerik.Web.UI" TagPrefix = "telerik" %> Drag & drop the ScriptManager from the toolbox in VS. 2. I encountered this error, very annoying becasue it would shut off design view rendering of ComboBoxes as well as entire parent containers like ListViews. i'm working until now with a calendar extender but i've added a cascading dropdow with this tag. Tip 2: How to Add a CalendarExtender to a GridView If you want to add a CalendarExtender to a GridView, use a template field with a TextBox and CalendarExtender as shown below: 2. funluckykitty I updated my AJAX Control ToolKit, to the latest version, From AjaxControlTookKit Version 15.1 ToolkitScriptManager has been removed . Yeah I think maverick is right. hi morning, i have a problem with this element in my code. Apr 20 2011 9:15 AM. The 'asp:ScriptManager' tag is registered in the demo application's web config file. The type is not registered as safe. Something like <% @ Register Assembly = "Telerik.Web.UI" Namespace = "Telerik.Web.UI" TagPrefix = "telerik" %>
For a minute, I thought maybe I had forgotten the <%@ Register %> directive at the top of the page, but, no, there it was: <%@ Register Assembly="MyTestAssembly" Namespace="MyTestNamespace" TagPrefix="cc1 Nov 12, 2011 at 14:14 Oskar, i must be on the same path you are, i added that to my web.config and then i got this in return The type or namespace name 'ScriptManager' does not exist in the namespace 'System.Web.UI' (are you missing an assembly reference? Here is what I did to resolve the issue. 1. Step 2. Unfortunately, I started getting the following warning: Generation of designer file failed: Unknown server tag 'cc1:MyServerControlName'. my code is as follows, First check if the ajaxControlToolkit instance is present in designer.cs file and if not, Paste below code manually in the designer.cs file and it should fix it /// <summary> /// SMMain control. please help me how to resolve this issue. <%@ Register Assembly="AjaxControlToolkit" .. Or you had tagprefix as ajaxToolkit instead of cc1. The control type 'System.Web.UI.ScriptManager' is not allowed on this page. For some reason I glanced at the page and thought there was another AjaxControlToolkit control being processed before the validator callout so I figured you had registered the toolkit in your web.config instead. I migrated sites to a new server and has the following 2 errors pop up. Isn't the ToolkitScriptManager part of the Ajax Control Toolkit? (Microsoft.SqlServer.Management.RelationalEngineTasks) How to programmatically modifying the AppSetting value in web.config using c#? maverickhyd <%@ Register Assembly="AjaxControlToolkit" TagPrefix="cc1" Namespace="AjaxControlToolkit" %> Are You Forgot this in aspx page? 2. Here is what I did to resolve the issue. Wednesday, February 15, 2012 3:16 AM. You have to have this page directive: <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" %> 9 Answers. is not executed in your environment. If you upgraded to any version above this then you need to remove toolkist script manager and use the normal asp:scriptmanager control For some reason, the registration line -. If so, you'll need the correct version of this; there's a version for 3.5 and a version . Hi harindaw,. See if this solution works for you by signing up for a 7 day free trial. When I searched on google about this error, most of the article saying to use the code given below: <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />. But when you set a watch you see the default value of {Please Select}. i am using combobox control in my page but once i run the apps it showing " Unknown server tag 'asp:ComboBox' ". please help me how to resolve this issue. Add the follow to the web.config file to resolve the following errors when a page tries to display. 1. Unknown server tag asp:ToolkitScriptManager. Also, you should check your machine's GAC to see if an older . So verify it. Add the follow to the web.config file to resolve the following errors when . Hi, 1. This usually happens when using the NET35 assembly as a reference and performing a control drag-and-drop from the RadControls for ASP.NET AJAX NET20 ToolBox group or vice-versa. i am using combobox control in my page but once i run the apps it showing " Unknown server tag 'asp:ComboBox' ". Unknown server tag 'asp:UpdatePanel'. <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %> If it's a user control, you may be missing the register assembly line at the beginning of your ascx file. User-718146471 posted. Recent Article. I load the dropdown list within the Preload with a. HI, I am using AjaxTookit version 3.5.40412.0 for developing web apps in VS2008. I believe your project has TargetFramework set to 3.5 (the telerik2.jpg screenshot notes that the script manager works correctly when loading the .NET 35 assembly). if you have ScriptManager on your master page you don't need to add it on content pages. User-1856974186 posted. Answers text/html 2/15/2012 3:43:24 AM Anonymous 0. See if this solution works for you by signing up for a 7 day free trial. You might have not registered the control in the page. And also when you using ToolkitScriptManager you don't need defaut ScriptManager. Try this look at the script manager.. it is asp.. Restore of database 'DATABASE' failed. The dropdown are load here. UPDATE: Check in your web config for AjaxControlToolkit tagPrefix as bellow. Recent Article. Unknown server tag 'asp:ScriptManager'. Make sure you have changed its target framework to 3.0 + which supports Ajax. Unknown server tag 'asp:ScriptManager'. When the modal popup is visible the dropdown has the correct value. The type is not registered as safe. so then i added System.Web.Extensions and still got the error forums.asp.net/t/1070186.aspx/ Error Creating Control - ComboBox1 Unknown server tag 'asp:ComboBox'. 3. you could do this by copying web.config to any application and change its taget framework to 3.0 + under the project properties. Restore of database 'DATABASE' failed. The control type 'System.Web.UI.ScriptManager' is not allowed on this page. What to do?
