关于HTML编辑器与Ajax控制工具套件一起使用的信息

我已经安装了Vs 4.0版本的ajax工具套件.然后我在母版页中添加了脚本管理器和更新面板.但是当我添加显示以下错误的新ajax控件时...


错误:

Microsoft JScript运行时错误:AjaxControlToolkit需要ASP.NET Ajax 4.0脚本.确保引用了正确版本的脚本.如果使用的是ASP.NET ScriptManager，请切换到AjaxControlToolkit.dll中的ToolkitScriptManager.

请告诉我soloution

I had installed ajax tool kit with Vs 4.0 version. then i added script manager and update panel in my master page. but when i add new ajax control which shows following error...


Error:

Microsoft JScript runtime error: AjaxControlToolkit requires ASP.NET Ajax 4.0 scripts. Ensure the correct version of the scripts are referenced. If you are using an ASP.NET ScriptManager, switch to the ToolkitScriptManager in AjaxControlToolkit.dll.

Plz tell me the soloution