为何UpdateProgress出错,求高手帮忙下
在ascx中添加也UpdateProgress,然后把ascx拖放到aspx页面上,会在aspx页上提示有错,如下提示:The control with ID 'UpdateProgress1' requires a ScriptManager on the page. The ScripManager must appear before any controls that need it.
说明:我已在UpdateProgress前添加了ScriptManager,仍还出错,我用的是vs2005