利用timer 实现100分钟的倒计时,出现了The control with ID 'Timer1' requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it.
哪位高手来帮帮小妹做完这个毕业设计?
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timer 控件的使用问题
利用timer 实现100分钟的倒计时,出现了The control with ID 'Timer1' requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it. 哪位高手来帮帮小妹做完这个毕业设计?